0ffice365fax13.pdf1.workers.dev Open in urlscan Pro
2606:4700:3032::ac43:9e34 Malicious Activity! Public Scan

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Submitted URL:
https://u18750974.ct.sendgrid.net/ls/click?upn=B2zvDMMcfX58tBcmJF-2BmBREbfgC1mBCVah9m4BSQA5i7mRgAR-2BkBfRy9NFNB1GKH036RWeEsXq6uKiG...
Effective URL:
https://0ffice365fax13.pdf1.workers.dev/
Submission Tags: falconsandbox
Submission: On March 16 via api (March 16th 2022, 2:35:09 pm UTC) from US — Scanned from DE

Summary HTTP 3 Redirects Links 1 Behaviour Indicators

Summary

This website contacted 1 IPs in 1 countries across 2 domains to perform 3 HTTP transactions. The main IP is 2606:4700:3032::ac43:9e34, located in United States and belongs to CLOUDFLARENET, US. The main domain is 0ffice365fax13.pdf1.workers.dev.
TLS certificate: Issued by E1 on February 15th 2022. Valid for: 3 months.

This is the only time 0ffice365fax13.pdf1.workers.dev was scanned on urlscan.io!

urlscan.io Verdict: Potentially Malicious

Targeting these brands: Generic Cloudflare (Online)

Domain & IP information

	IP Address	AS Autonomous System
1 1	167.89.118.28 167.89.118.28	11377 (SENDGRID) (SENDGRID)
3	2606:4700:303... 2606:4700:3032::ac43:9e34	13335 (CLOUDFLAR...) (CLOUDFLARENET)
3	1

1 167.89.118.28 (Las Vegas, United States) 1 redirects

ASN11377 (SENDGRID, US)
PTR: o16789118x28.outbound-mail.sendgrid.net

u18750974.ct.sendgrid.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2606:4700:3032::ac43:9e34 (United States)

ASN13335 (CLOUDFLARENET, US)

0ffice365fax13.pdf1.workers.dev	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
3	workers.dev 0ffice365fax13.pdf1.workers.dev	7 KB
1	sendgrid.net 1 redirects u18750974.ct.sendgrid.net	243 B
3	2

	Domain	Requested by
3	0ffice365fax13.pdf1.workers.dev	0ffice365fax13.pdf1.workers.dev
1	u18750974.ct.sendgrid.net	1 redirects
3	2

This site contains links to these domains. Also see Links.

Domain
www.cloudflare.com

Subject Issuer	Validity	Valid
*.pdf1.workers.dev E1	`2022-02-15` - `2022-05-16`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://0ffice365fax13.pdf1.workers.dev/
Frame ID: 3614EDF88E9B2D9501E41FD0758432FE
Requests: 3 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Suspected phishing site | Cloudflare

Page URL History Show full URLs

https://u18750974.ct.sendgrid.net/ls/click?upn=B2zvDMMcfX58tBcmJF-2BmBREbfgC1mBCVah9m4BSQA5i7mRgAR-2BkBfRy9NFN... HTTP 302
https://0ffice365fax13.pdf1.workers.dev/ Page URL

Page Statistics

3
Requests

100 %
HTTPS

50 %
IPv6

2
Domains

2
Subdomains

1
IPs

1
Countries

7 kB
Transfer

28 kB
Size

0
Cookies

1 Outgoing links

These are links going to different origins than the main page.

URL: https://www.cloudflare.com/5xx-error-landing
Title: Cloudflare

Search URL Search Domain Scan URL

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

https://u18750974.ct.sendgrid.net/ls/click?upn=B2zvDMMcfX58tBcmJF-2BmBREbfgC1mBCVah9m4BSQA5i7mRgAR-2BkBfRy9NFNB1GKH036RWeEsXq6uKiGXpEDi4g-3D-3DjZA9_FYRvotOcrxQwN8Wg70AgtQ-2BWvdbrG5K7U0l3WWcSws1aZX8XUmCNbTDv8NOQB0flptM4Dw-2BFponfaw9GGOO8M-2FWL230PaK67q4YOlelmICZWKXLvCDWfQ38gL8AiXHrzIWm-2FSpiixn3LDl-2F-2B5g8Ml02A4zQrghJS6PnNBYJtQi8GWkOAPCThV4dtb45t5I0Zylys3AEOWixtby67fVXvkA-3D-3D HTTP 302
https://0ffice365fax13.pdf1.workers.dev/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

3 HTTP transactions
0 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2

200

Primary Request / Show response
0ffice365fax13.pdf1.workers.dev/
Redirect Chain

https://u18750974.ct.sendgrid.net/ls/click?upn=B2zvDMMcfX58tBcmJF-2BmBREbfgC1mBCVah9m4BSQA5i7mRgAR-2BkBfRy9NFNB1GKH036RWeEsXq6uKiGXpEDi4g-3D-3DjZA9_FYRvotOcrxQwN8Wg70AgtQ-2BWvdbrG5K7U0l3WWcSws1aZX8...
https://0ffice365fax13.pdf1.workers.dev/

4 KB
2 KB

66ms
22ms

Document
text/html

2606:4700:3032::ac43:9e34
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://0ffice365fax13.pdf1.workers.dev/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:3032::ac43:9e34 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

4308150ff1b859e3870d574e98b7ac9ab2bb093c6445e464f73a07f62d9d218a

Security Headers

Name	Value
X-Frame-Options	SAMEORIGIN

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.51 Safari/537.36
Accept-Language: de-DE,de;q=0.9

Response headers

date: Wed, 16 Mar 2022 14:35:04 GMT
content-type: text/html; charset=UTF-8
x-frame-options: SAMEORIGIN
expect-ct: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=ffdihfBwIcjqDkw%2Bfo%2FcT3NK855lkl3AYpl%2Fg%2FejFlfhKqJDe7mVqINYngtX1tSHz0Or4uXKmtNPOiZX6CEA4EgGe9hvYYNWkPapWm0AXdcqnHJM2seid2sU3xJ8jkvCiMWoKiERtT4CsK5TIrvqs4w%2BlphdJwBPykAqzv6e"}],"group":"cf-nel","max_age":604800}
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
vary: Accept-Encoding
server: cloudflare
cf-ray: 6ece369aedd49031-FRA
content-encoding: br
alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400

Redirect headers

Server: nginx
Date: Wed, 16 Mar 2022 14:35:04 GMT
Content-Type: text/html; charset=utf-8
Content-Length: 63
Connection: keep-alive
Location: https://0ffice365fax13.pdf1.workers.dev/
X-Robots-Tag: noindex, nofollow

GET
H2 200 cf.errors.css
0ffice365fax13.pdf1.workers.dev/cdn-cgi/styles/ 23 KB
4 KB 10ms
9ms Stylesheet
text/css 2606:4700:3032::ac43:9e34
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://0ffice365fax13.pdf1.workers.dev/cdn-cgi/styles/cf.errors.css

Requested by

Host: 0ffice365fax13.pdf1.workers.dev
URL: https://0ffice365fax13.pdf1.workers.dev/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:3032::ac43:9e34 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

16fd28061d42cf29268600418d5aa26b585435027ca599a42141cbc820f2547c

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Frame-Options	DENY

Request headers

Accept-Language: de-DE,de;q=0.9
Referer: https://0ffice365fax13.pdf1.workers.dev/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.51 Safari/537.36

Response headers

date: Wed, 16 Mar 2022 14:35:04 GMT
content-encoding: gzip
x-content-type-options: nosniff
last-modified: Mon, 14 Mar 2022 18:24:40 GMT
server: cloudflare
etag: W/"622f8868-5c88"
x-frame-options: DENY
content-type: text/css
cache-control: max-age=7200, public
cf-ray: 6ece369b2e239031-FRA
vary: Accept-Encoding
expires: Wed, 16 Mar 2022 16:35:04 GMT

GET
H2 200 icon-exclamation.png
0ffice365fax13.pdf1.workers.dev/cdn-cgi/images/ 452 B
540 B 12ms
12ms Image
image/png 2606:4700:3032::ac43:9e34
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://0ffice365fax13.pdf1.workers.dev/cdn-cgi/images/icon-exclamation.png?1376755637

Requested by

Host: 0ffice365fax13.pdf1.workers.dev
URL: https://0ffice365fax13.pdf1.workers.dev/cdn-cgi/styles/cf.errors.css

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:3032::ac43:9e34 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

f1591a5221136c49438642155691ae6c68e25b7241f3d7ebe975b09a77662016

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Frame-Options	DENY

Request headers

Accept-Language: de-DE,de;q=0.9
Referer: https://0ffice365fax13.pdf1.workers.dev/cdn-cgi/styles/cf.errors.css
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.51 Safari/537.36

Response headers

date: Wed, 16 Mar 2022 14:35:04 GMT
x-content-type-options: nosniff
last-modified: Mon, 14 Mar 2022 18:24:40 GMT
server: cloudflare
etag: "622f8868-1c4"
x-frame-options: DENY
content-type: image/png
cache-control: max-age=7200, public
accept-ranges: bytes
cf-ray: 6ece369b4e359031-FRA
vary: Accept-Encoding
content-length: 452
expires: Wed, 16 Mar 2022 16:35:04 GMT

Verdicts & Comments Add Verdict or Comment

Potentially malicious activity detected
Disclaimer: These verdicts should be used to detect potentially malicious websites, not as a final verdict!

urlscan

Phishing against: Generic Cloudflare (Online)

4 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

function| structuredClone object| oncontextlost object| oncontextrestored object| _cf_translation

0 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header	Value
X-Frame-Options	SAMEORIGIN

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

0ffice365fax13.pdf1.workers.dev
u18750974.ct.sendgrid.net
167.89.118.28
2606:4700:3032::ac43:9e34
16fd28061d42cf29268600418d5aa26b585435027ca599a42141cbc820f2547c
4308150ff1b859e3870d574e98b7ac9ab2bb093c6445e464f73a07f62d9d218a
f1591a5221136c49438642155691ae6c68e25b7241f3d7ebe975b09a77662016

0ffice365fax13.pdf1.workers.dev Open in urlscan Pro 2606:4700:3032::ac43:9e34 Malicious Activity! Public Scan

Summary

urlscan.io Verdict: Potentially Malicious

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Page Statistics

3 Requests

100 %HTTPS

50 %IPv6

2 Domains

2 Subdomains

1 IPs

1 Countries

7 kBTransfer

28 kBSize

0 Cookies

1 Outgoing links

Page URL History

Redirected requests

3 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

Request headers

Response headers

Redirect headers

Request headers

Response headers

Request headers

Response headers

Verdicts & Comments Add Verdict or Comment

Potentially malicious activity detected Disclaimer: These verdicts should be used to detect potentially malicious websites, not as a final verdict!

urlscan

4 JavaScript Global Variables

0 Cookies

Security Headers

Indicators

0ffice365fax13.pdf1.workers.dev Open in urlscan Pro
2606:4700:3032::ac43:9e34 Malicious Activity! Public Scan

Screenshot
Live screenshot

Full Image

3
Requests

100 %
HTTPS

50 %
IPv6

2
Domains

2
Subdomains

1
IPs

1
Countries

7 kB
Transfer

28 kB
Size

0
Cookies

3 HTTP transactions
0 data transactions

Potentially malicious activity detected
Disclaimer: These verdicts should be used to detect potentially malicious websites, not as a final verdict!