Malicious PDF — malware analysis report

Static analysis result for SHA-256 5dbc7f9b9685c04d…

MALICIOUS

PDF

15.1 KB Created: 2019-11-07 15:47:56 +00:00 Authoring application: mPDF 5.7
MD5: beef46d940f337c7ec1f0f1b7b10a419 SHA-1: 9d00ba95d7add697902fa4818cd9e8726c0f4568 SHA-256: 5dbc7f9b9685c04d547abba793790d4024e61ddb13c0dcb2f925a36407634254
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified as a 'PDF_SEO_LINK_FARM' heuristic, suggesting an attempt to manipulate search engine results or redirect users to potentially malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the presence of numerous external links points towards a phishing or content-distribution attack vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9798

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://cefasfese.4pu.com/7737730732731732/Blackbeard-s-Revenge-The-Voyages-of-Queen-Anne-s-Revenge-2-by-Jeremy-McLean.pdf
    • http://cefasfese.4pu.com/3739731738739732/Revenge-Volume-2-Revenge-2-by-J-J-Knight.pdf
    • http://cefasfese.4pu.com/1733730730738738/The-Tycoon-s-Revenge-Baby-for-the-Billionaire-1-by-Melody-Anne.pdf
    • http://cefasfese.4pu.com/1734734735730735/The-Tycoon-s-Revenge-Baby-for-the-Billionaire-1-by-Melody-Anne.pdf
    • http://cefasfese.4pu.com/8730738732733730/Four-Revenge-Tragedies-The-Spanish-Tragedy-The-Revenger-s-Tragedy-The-Revenge-of-Bussy-D-Ambois-And-the-Atheist-s-Tragedy-by-Katharine-Eisaman-Maus.pdf
    • http://cefasfese.4pu.com/8738734739735732/Morgain-s-Revenge-Grail-Quest-2-by-Laura-Anne-Gilman.pdf
    • http://cefasfese.4pu.com/3732732730736736/Revenge-of-the-Barbary-Ghost-Lady-Anne-2-by-Donna-Lea-Simpson.pdf
    • http://cefasfese.4pu.com/3737738732736736/The-Cave-by-Anne-McLean-Matthews.pdf
    • http://cefasfese.4pu.com/2738735731739736/Shall-We-Not-Revenge-by-D-M-Pirrone.pdf
    • http://cefasfese.4pu.com/8734731737732738/Revenge-of-the-Zarnones-by-Trebor-Novel.pdf
    • http://cefasfese.4pu.com/7731730734737734/For-the-Sake-of-Revenge-by-D-L-Atha.pdf
    • http://cefasfese.4pu.com/8739734739/The-Exes-Revenge-by-Jo-Jakeman.pdf
    • http://cefasfese.4pu.com/3731734735733739/Sweet-Revenge-by-Kay-Rogal.pdf
    • http://cefasfese.4pu.com/3738730736730737/Revenge-on-the-Fly-by-Sylvia-McNicoll.pdf
    • http://cefasfese.4pu.com/3738738739737731/Jed-s-Revenge-by-Beverly-Havlir.pdf
    • http://cefasfese.4pu.com/1732737730732738/Key-West-Revenge-by-Lee-A-Sweetapple.pdf
    • http://cefasfese.4pu.com/7735736/I-Am-Her-Revenge-by-Meredith-Moore.pdf
    • http://cefasfese.4pu.com/4734739735739731/Revenge-is-Sweet-by-J-D-Anders.pdf
    • http://cefasfese.4pu.com/1732730736734738/I-Am-Her-Revenge-by-Meredith-Moore.pdf
    • http://cefasfese.4pu.com/6732734739731/Revenge-by-Y-ko-Ogawa.pdf

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