Malicious PDF — malware analysis report

Static analysis result for SHA-256 dbbc49654b380b57…

MALICIOUS

PDF

17.2 KB Created: 2020-03-13 22:52:28 +00:00 Authoring application: mPDF 5.7
MD5: b90a1a6137b8ebacb92b51669b2d95c9 SHA-1: fc98dfa1bfe4f17953cac30961c3ef35839ef961 SHA-256: dbbc49654b380b577551f0f192f6f38e23c964c661487e4ce3ea8ef90cb33fea
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, which strongly suggests a link farm or redirection tactic. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious nature of the document. The primary attack pattern involves luring the user to click on these links, likely to download further malicious payloads or redirect to phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

Heuristics 2

  • 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.
  • 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 http://ieuicufioao.myhome.cx/4554552555559/Destiny-Rising-The-Vampire-Diaries-The-Hunters-3-by-L-J-Smith.pdf
    • http://ieuicufioao.myhome.cx/9550553552557555/The-Vampire-Diaries---Stefan-s-Diaries---Rache-ist-nicht-The-Vampire-Diaries-3-by-L-J-Smith.pdf
    • http://ieuicufioao.myhome.cx/8558550551550552/The-Vampire-Diaries---Stefan-s-Diaries---Fluch-der-Finsternis-Band-6-by-L-J-Smith.pdf
    • http://ieuicufioao.myhome.cx/3556555551550/Bloodlust-The-Vampire-Diaries-Stefan-s-Diaries-2-by-L-J-Smith.pdf
    • http://ieuicufioao.myhome.cx/4557552553557/The-Asylum-The-Vampire-Diaries-Stefan-s-Diaries-5-by-L-J-Smith.pdf
    • http://ieuicufioao.myhome.cx/3555551557555552/The-Craving-The-Vampire-Diaries-Stefan-s-Diaries-3-by-L-J-Smith.pdf
    • http://ieuicufioao.myhome.cx/4557552553555/The-Ripper-The-Vampire-Diaries-Stefan-s-Diaries-4-by-L-J-Smith.pdf
    • http://ieuicufioao.myhome.cx/1559553559559551/The-Struggle-The-Vampire-Diaries-2-by-L-J-Smith.pdf
    • http://ieuicufioao.myhome.cx/2557552552552559/The-Struggle-The-Vampire-Diaries-2-by-L-J-Smith.pdf
    • http://ieuicufioao.myhome.cx/3554550555557551/Nightfall-The-Vampire-Diaries-The-Return-1-by-L-J-Smith.pdf
    • http://ieuicufioao.myhome.cx/2557552551559557/Dark-Reunion-The-Vampire-Diaries-4-by-L-J-Smith.pdf
    • http://ieuicufioao.myhome.cx/7554558555556555/Tumbleweeds-The-Vampire-Diaries-The-Return-Extras-2-1-by-L-J-Smith.pdf
    • http://ieuicufioao.myhome.cx/4553559555557553/The-Fury-and-Dark-Reunion-The-Vampire-Diaries-3-4-by-L-J-Smith.pdf
    • http://ieuicufioao.myhome.cx/3554550555557556/Shadow-Souls-The-Vampire-Diaries-The-Return-2-by-L-J-Smith.pdf
    • http://ieuicufioao.myhome.cx/4550557551557550/Shadow-Souls-The-Vampire-Diaries-The-Return-2-by-L-J-Smith.pdf
    • http://ieuicufioao.myhome.cx/1551552555557550551/Matt-and-Elena-Tenth-Date-On-Wickery-Pond-The-Vampire-Diaries-Extras-0-2-by-L-J-Smith.pdf
    • http://ieuicufioao.myhome.cx/4557/The-Last-American-Vampire-Abraham-Lincoln-Vampire-Hunter-2-by-Seth-Grahame-Smith.pdf
    • http://ieuicufioao.myhome.cx/8553558550558/Rises-The-Night-The-Gardella-Vampire-Hunters-2-by-Colleen-Gleason.pdf
    • http://ieuicufioao.myhome.cx/1556557554550556/Hunters-by-Gregory-Marshall-Smith.pdf
    • http://ieuicufioao.myhome.cx/1557557557551557/The-Rest-Falls-Away-The-Gardella-Vampire-Hunters-Victoria-1-by-Colleen-Gleason.pdf

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