Malicious PDF — malware analysis report

Static analysis result for SHA-256 96dd0d7eefda9b5a…

MALICIOUS

PDF

15.4 KB Created: 2019-05-01 05:13:30 +01:00 Authoring application: mPDF 5.7
MD5: 0417bd4d8318e7d425c99277c0560759 SHA-1: 95981a70b23ca1d029fe54dc94c9b824a3bc828e SHA-256: 96dd0d7eefda9b5a3238c7d00e04c1881000b8e7670cad023f50a272ea94b0ff
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files hosted on the domain 'muicuiu.dumb1.com'. This heuristic firing, combined with the ML classifier's high confidence, suggests a link-farming or redirection tactic. No scripts were extracted from this sample. The primary attack pattern involves directing users to a large collection of external documents.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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://muicuiu.dumb1.com/1a04a06a05a07a00/A-Million-Different-Ways-Horn-Duet-1-by-P-Dangelico.pdf
    • http://muicuiu.dumb1.com/8a06a09a05a00/A-Million-Guilty-Pleasures-Million-Dollar-Duet-2-by-C-L-Parker.pdf
    • http://muicuiu.dumb1.com/4a01a00a00a09/A-Million-Dirty-Secrets-Million-Dollar-Duet-1-by-C-L-Parker.pdf
    • http://muicuiu.dumb1.com/1a02a02a05a04a03/Tiebreaker-by-P-Dangelico.pdf
    • http://muicuiu.dumb1.com/1a04a07a00a05a00/Baby-Maker-by-P-Dangelico.pdf
    • http://muicuiu.dumb1.com/3a05a05a04a07a02/Wrecking-Ball-Hard-to-Love-1-by-P-Dangelico.pdf
    • http://muicuiu.dumb1.com/4a01a05a00a03a06/7-Ways-To-Make-Money-Online-All-the-Basics-of-the-Most-Popular-and-Feasible-Ways-to-Generating-Revenue-on-the-Internet-by-Can-Akdeniz.pdf
    • http://muicuiu.dumb1.com/7a05a00a06a06a02/Roni-Horn-Aka-Roni-Horn-by-Roni-Horn.pdf
    • http://muicuiu.dumb1.com/8a07a02a07a04a03/Verf-hrung-by-Dominic-von-Horn.pdf
    • http://muicuiu.dumb1.com/2a02a08a02a06a08/Shadowburbia-by-Angela-Horn.pdf
    • http://muicuiu.dumb1.com/1a04a01a07a00a07/All-Other-Nights-by-Dara-Horn.pdf
    • http://muicuiu.dumb1.com/1a00a00a05a03a02a04/The-Horn-of-Evenwood-by-Robin-Artisson.pdf
    • http://muicuiu.dumb1.com/1a05a06a06a04a07/Horn-of-the-Kraken-by-Stephen-B-Pearl.pdf
    • http://muicuiu.dumb1.com/2a09a09a00a06a01/The-Little-Unicorn-That-Had-No-Horn-by-James-McDonald.pdf
    • http://muicuiu.dumb1.com/9a09a07a02/The-Line-Witching-Savannah-1-by-J-D-Horn.pdf
    • http://muicuiu.dumb1.com/2a06a09a04a04a05/Wild-Violet-by-Ariel-C-Horn.pdf
    • http://muicuiu.dumb1.com/1a00a00a05a01a04a05/The-Horn-by-John-Clellon-Holmes.pdf
    • http://muicuiu.dumb1.com/2a09a06a04a07/By-the-Great-Horn-Spoon-by-Sid-Fleischman.pdf
    • http://muicuiu.dumb1.com/5a01a01a03a03/Predator---Horn-OK-Please-by-Kartik-Iyengar.pdf
    • http://muicuiu.dumb1.com/1a00a00a05a01a04a06/Huon-of-the-Horn-by-Andre-Norton.pdf
    • http://muicuiu.dumb1.com/7a05a00a06a06a02/Roni-Horn-

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