Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0b3f1241fd2714e…

MALICIOUS

PDF

22.9 KB Created: 2019-05-02 05:49:30 +01:00 Authoring application: mPDF 5.7 First seen: 2020-12-28
MD5: 738647e47951078f6ef56b9a8cc2d84a SHA-1: 385f524c48f0d41df1d0a17928cca9f3da516ff8 SHA-256: c0b3f1241fd2714ecdf08ed391ddd0234a57760449e408f12443cebe6a7a0abd
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 suspicious 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 redirect users to potentially malicious content. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious classification.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9903

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/7733739730739739/Fuck-of-the-Day-The-Administration-3-3-by-Manna-Francis.pdf In PDF document text
    • http://cefasfese.4pu.com/3733739736730736/Then-And-Now-The-Administration-5-3-by-Manna-Francis.pdfIn PDF document text
    • http://cefasfese.4pu.com/3733739739738735/Boy-s-Toys-The-Administration-7-2-by-Manna-Francis.pdfIn PDF document text
    • http://cefasfese.4pu.com/1735734736738734/Control-The-Administration-4-by-Manna-Francis.pdfIn PDF document text
    • http://cefasfese.4pu.com/3739737731730738/Wait-For-It-The-Administration-4-2-by-Manna-Francis.pdfIn PDF document text
    • http://cefasfese.4pu.com/3733739739736737/Shopping-No-Fucking-The-Administration-4-6-by-Manna-Francis.pdfIn PDF document text
    • http://cefasfese.4pu.com/3734730733731732/Make-It-a-Surprise-The-Administration-7-3-by-Manna-Francis.pdfIn PDF document text
    • http://cefasfese.4pu.com/3733739732738737/Gratuitous-Kink-The-Administration-5-2-by-Manna-Francis.pdfIn PDF document text
    • http://cefasfese.4pu.com/7733739731739739/Abraham-Lincoln-Presidential-Fuck-Machine-Presidential-Fuck-Machine-1-by-Catherine-DeVore.pdfIn PDF document text
    • http://cefasfese.4pu.com/7736738739738736/Administration-s-Recreation-Fee-Proposals-Hearing-Before-the-Subcommittee-on-National-Parks-Forests-and-Public-Lands-of-the-Committee-on-Natural-Resources-House-of-Representatives-One-Hundred-Third-Congress-First-Session-on-the-Administration-s-Recre-by-Unknown.pdfIn PDF document text
    • http://cefasfese.4pu.com/7736738739738735/Administration-s-Recreation-Fee-Proposals-Hearing-Before-the-Subcommittee-on-National-Parks-Forests-and-Public-Lands-of-the-Committee-on-Natural-Resources-House-of-Representatives-One-Hundred-Third-Congress-First-Session-on-the-Administration-s-Recre-by-Forgotten-Books.pdfIn PDF document text
    • http://cefasfese.4pu.com/1732734733737734/Manna-X-by-Dani-J-Caile.pdfIn PDF document text
    • http://cefasfese.4pu.com/8739734735730737/Unexpected-Manna-by-Gary-Holthaus.pdfIn PDF document text
    • http://cefasfese.4pu.com/4739730730735733/Manna-from-Hades-Cornish-Mystery-1-by-Carola-Dunn.pdfIn PDF document text
    • http://cefasfese.4pu.com/8734739737735734/The-Essays-or-Counsels-Civil-and-Moral-of-Francis-Ld-Verulam-Viscount-St-Albans-by-Francis-Bacon.pdfIn PDF document text
    • http://cefasfese.4pu.com/6735735734735/The-Fuck-Up-by-Arthur-Nersesian.pdfIn PDF document text
    • http://cefasfese.4pu.com/2730736736733734/Fuck-Valentine-s-Day-by-C-M-Stunich.pdfIn PDF document text
    • http://cefasfese.4pu.com/8733739737738734/How-to-Fuck-a-Pornstar-Prague-by-Mr-E.pdfIn PDF document text
    • http://cefasfese.4pu.com/6732734735731732/Fuck-You-New-York-by-Kamel-Hajaji.pdfIn PDF document text
    • http://cefasfese.4pu.com/7733739731739736/Fuck-Love-by-Hood-Chronicles.pdfIn PDF document text

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