Malicious PDF — malware analysis report

Static analysis result for SHA-256 734cb01549487d9b…

MALICIOUS

PDF

17.8 KB Created: 2019-11-03 20:32:40 +00:00 Authoring application: mPDF 5.7
MD5: 79f4d85575ced913dccde008e9174da3 SHA-1: 58c6aa900b4ce1e8005ee4be53364fd2370e4abe SHA-256: 734cb01549487d9bda4a74b387b8fe3b2f47b74c38c91e6b8f817613258d24f1
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded URLs, identified as a link farm, which is a common tactic for SEO manipulation or distributing malicious content. The ML classifier also flagged this PDF as malicious. While the URLs themselves are currently marked as benign, the sheer volume and the heuristic firing suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9788

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/7733737738737738/You-Are-Good-Enough-An-antidote-to-condemnation-and-accusation-by-Tony-Egar.pdf
    • http://cefasfese.4pu.com/1738730731737737/The-Antidote-Antidote-1-by-Taylor-Hondos.pdf
    • http://cefasfese.4pu.com/2731735739737731/Condemnation-Forgotten-Realms-War-of-the-Spider-Queen-3-by-Richard-Baker.pdf
    • http://cefasfese.4pu.com/5731736730731738/The-Condemnation-of-Blackness-Race-Crime-and-the-Making-of-Modern-Urban-America-by-Khalil-Gibran-Muhammad.pdf
    • http://cefasfese.4pu.com/6735736731735736/J-Accuse-quot-Catholic-Church-s-Continued-Persecution-of-Gays-and-Condemnation-of-Same-Sex-Marriage-by-Janua-Rasmus.pdf
    • http://cefasfese.4pu.com/2736737733735737/The-Accusation-by-Bandi.pdf
    • http://cefasfese.4pu.com/7733737735732734/The-Accusation-by-Zosia-Wand.pdf
    • http://cefasfese.4pu.com/2731734735738732/The-Antidote-by-Shelley-Sackier.pdf
    • http://cefasfese.4pu.com/7733737735733733/The-Way-of-Humility-Corruption-and-Sin-On-Self-Accusation-by-Pope-Francis.pdf
    • http://cefasfese.4pu.com/7733737738738737/Offending-The-Audience-And-Self-Accusation-by-Peter-Handke.pdf
    • http://cefasfese.4pu.com/7733737738731733/A-Philosophy-of-Wealth-Accusation-for-Dentists-by-William-J-Davis.pdf
    • http://cefasfese.4pu.com/5736732731737736/Antidote-Pig-Heart-Boy-Thief-by-Malorie-Blackman.pdf
    • http://cefasfese.4pu.com/7738735736731735/Antidote-to-Venom-by-Freeman-Wills-Crofts.pdf
    • http://cefasfese.4pu.com/7733737738737736/On-the-Accusation-of-Negativity-in-Nietzsche-s-Ethics-A-Refutation-by-Nicholas-K-Lory.pdf
    • http://cefasfese.4pu.com/7733737738738730/INNOCENCE-ISN-T-ENOUGH-A-Journey-into-the-Nightmare-of-False-Accusation-by-G-John-Armstrong.pdf
    • http://cefasfese.4pu.com/7733737737733737/Cult-Fiction-Standing-In-The-Fire-Of-Accusation-by-Daniel-Tocchini.pdf
    • http://cefasfese.4pu.com/5732738734/The-Accusation-Forbidden-Stories-from-Inside-North-Korea-by-Bandi.pdf
    • http://cefasfese.4pu.com/5736732731731734/Pig-Heart-Boy-Hacker-Thief-Antidote-by-Malorie-Blackman.pdf
    • http://cefasfese.4pu.com/2732731736737735/Work-Consume-Die-You-Are-Bored-This-is-the-Antidote-by-Frankie-Boyle.pdf
    • http://cefasfese.4pu.com/3732737732737739/Antidote-to-Murder-Dr-Dody-McCleland-2-by-Felicity-Young.pdf

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