PDF malware analysis — malicious · 72f3fce34efe68e3

MALICIOUS

PDF

25.3 KB Created: 2020-11-04 21:51:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 926f046cb6a15b96ec12780767a451fd SHA-1: 2d4aaf987a009b82c0ad5d1af237ebaabeb47381 SHA-256: 72f3fce34efe68e34b853f362751f2cb0118cd7b0ccc86c740edd5fdacc41e21

172 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF is identified as a malicious redirector link and an image-only lure, typical of phishing campaigns. It contains numerous links, including a primary malicious URL, suggesting it's part of a link farm designed to distribute malware or lead to phishing sites. The ML classifier strongly supports the malicious verdict.

Machine Learning

Nyx PDF Classifier malicious score 0.9985

Heuristics 4

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE

PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 25 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://cctraff.ru/strik?keyword=what+is+dhgate
- https://digonowokeke.weebly.com/uploads/1/3/1/8/131856318/nebige.pdf
- https://naxedomabaxa.weebly.com/uploads/1/3/1/6/131606472/lubuvulafarerubafix.pdf
- https://s3.amazonaws.com/zerejibixupav/cset_subtest_3_study_guide.pdf
- https://s3.amazonaws.com/gewisetug/bimubodirajisidob.pdf
- https://s3.amazonaws.com/zetare/kugifeb.pdf
- https://s3.amazonaws.com/gupuso/xawevasekesurikujovutisoj.pdf
- https://uploads.strikinglycdn.com/files/52c7c24a-eca3-4709-84dd-28b639d45fe4/ginixulu.pdf
- https://s3.amazonaws.com/voropa/construct_validity_in_research.pdf
- https://uploads.strikinglycdn.com/files/7791e5d2-c65f-4e93-b6aa-8df6793873a0/another_eden_fishing_spreadsheet.pdf
- https://s3.amazonaws.com/subud/risimaralufonan.pdf
- https://s3.amazonaws.com/doxifuba/62094347913.pdf
- https://uploads.strikinglycdn.com/files/1f4d3835-da3e-4624-9a1e-9b65d01700d7/58142569170.pdf
- https://uploads.strikinglycdn.com/files/faae5662-e682-43d5-976f-0a1941ec873b/bagivawumakobupidexijero.pdf

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