Malicious PDF — malware analysis report

Static analysis result for SHA-256 04e12fbe7cb93a86…

MALICIOUS

PDF

22.5 KB Created: 2019-05-05 05:02:39 +01:00 Authoring application: mPDF 5.7
MD5: 3356c7e1c03273af8680c08941ca98e5 SHA-1: efcc36dc65d8b666974f3b523c810bb44a48d6e1 SHA-256: 04e12fbe7cb93a865a1d8ee485e8f0c53b80aaeffde6e3edcb9d0fbc77ef1062
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to a single domain, identified by the PDF_SEO_LINK_FARM heuristic. While the document body is heavily obfuscated, the presence of numerous links suggests an attempt to manipulate search engine results or direct users to potentially malicious content. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9784

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/3736735735739734/Up-Down-or-Sideways-How-to-Succeed-When-Times-Are-Good-Bad-or-in-Between-by-Mark-Sanborn.pdf
    • http://cefasfese.4pu.com/1739737730735737/The-Fred-Factor-How-passion-in-your-work-and-life-can-turn-the-ordinary-into-the-extraordinary-by-Mark-Sanborn.pdf
    • http://cefasfese.4pu.com/8736730732735733/Lives-of-the-Musicians-Good-Times-Bad-Times-by-Kathleen-Krull.pdf
    • http://cefasfese.4pu.com/4731734732732737/Character-Matters-Nine-Essential-Traits-You-Need-to-Succeed-by-Mark-Rutland.pdf
    • http://cefasfese.4pu.com/1732731731731737/In-Good-Times-and-Bad-by-Jenica-Johnson.pdf
    • http://cefasfese.4pu.com/4735738732733739/Good-Poems-for-Hard-Times-by-Garrison-Keillor.pdf
    • http://cefasfese.4pu.com/4737737734738739/Color-Me-Flo-My-Hard-Life-and-Good-Times-by-Florynce-Kennedy.pdf
    • http://cefasfese.4pu.com/4733732736733731/Good-Times-in-the-Hospital-A-Medical-Memoir-by-James-G-McCully.pdf
    • http://cefasfese.4pu.com/2738730735736733/When-The-Bad-Times-Are-Over-For-Good-Transforming-Trouble-Into-Triumph-by-Gerald-Mann.pdf
    • http://cefasfese.4pu.com/4739737739738735/The-Gospel-Sound-Good-News-and-Bad-Times-by-Anthony-Heilbut.pdf
    • http://cefasfese.4pu.com/4734730734739732/Good-Beyond-Evil-Ordinary-People-in-Extraordinary-Times-by-Eva-Gossman.pdf
    • http://cefasfese.4pu.com/2735739733738734/Keep-Calm-for-Ladies-Good-Advice-for-Hard-Times-by-Ebury-Publishing.pdf
    • http://cefasfese.4pu.com/1731732730739731739/How-to-Make-Money-in-Stocks-A-Winning-System-in-Good-Times-or-Bad-by-William-J-O-39-Neil.pdf
    • http://cefasfese.4pu.com/3732735730738733/Times-of-Tribulation-Christian-End-Times-Thriller-The-End-Times-Saga-Book-7-by-Cliff-Ball.pdf
    • http://cefasfese.4pu.com/2733738738734732/How-to-Good-Bye-Depression-If-You-Constrict-Anus-100-Times-Everyday-Malarkey-or-Effective-Way-by-Hiroyuki-Nishigaki.pdf
    • http://cefasfese.4pu.com/8732730734731730/Wisdom-of-Baltasar-Gracian-A-Practical-Manual-for-Good-and-Perilous-Times-by-J-Leonard-Kaye.pdf
    • http://cefasfese.4pu.com/2736737735732734/Goodnight-John-Boy-A-Celebration-of-an-American-Family-and-the-Values-That-Have-Sustained-Us-Through-Good-Times-and-Bad-by-Earl-Hamner-Jr-.pdf
    • http://cefasfese.4pu.com/2733732734736735/Gone-for-Good-by-Mark-Childress.pdf
    • http://cefasfese.4pu.com/1735733739734734/Good-As-Dead-by-Mark-Billingham.pdf
    • http://cefasfese.4pu.com/2732731731731730/Good-As-Dead-Tom-Thorne-10-by-Mark-Billingham.pdf

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