Malicious PDF — malware analysis report

Static analysis result for SHA-256 e27aa1e2b2064b1c…

MALICIOUS

PDF

14.2 KB Created: 2019-04-30 18:56:49 +01:00 Authoring application: mPDF 5.7
MD5: f8a046707eab44769974f5c052cc2ffa SHA-1: 6d1e81afa849af50aacb00da1386fc58a11dfa5a SHA-256: e27aa1e2b2064b1c5dbacf15c8ca77578c4f6677c3b25673a2e632e45ab3c672
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier as malicious and contains a large number of embedded external links. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass external link farm, suggesting a potential SEO poisoning or redirection attack. While the specific intent of the links is unclear due to benign reputation labels on some, the sheer volume and the ML classification point to a malicious purpose, likely to manipulate search results or lead users to harmful sites.

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://muicuiu.dumb
    • http://muicuiu.dumb1.com/6a00a06a04a08a03/Cecelia-Ahern-Box-Set-If-You-Could-See-Me-Now-Where-Rainbows-End-A-Place-Called-Here-by-Cecelia-Ahern.pdf
    • http://muicuiu.dumb1.com/2a01a00a09a03a08/There-s-No-Place-Like-Home-by-Cecelia-Ahern.pdf
    • http://muicuiu.dumb1.com/1a03a02a05a06a06/Flawed-A-Novel-by-Cecelia-Ahern.pdf
    • http://muicuiu.dumb1.com/6a00a06a04a08a06/Roar-by-Cecelia-Ahern.pdf
    • http://muicuiu.dumb1.com/1a05a03a09a02a03/PS-I-Love-You-by-Cecelia-Ahern.pdf
    • http://muicuiu.dumb1.com/7a05a03a00a07a07/P-S-I-Love-You-by-Cecelia-Ahern.pdf
    • http://muicuiu.dumb1.com/3a07a03a07a02a01/The-Gift-by-Cecelia-Ahern.pdf
    • http://muicuiu.dumb1.com/1a00a03a07a01a09/The-Year-I-Met-You-by-Cecelia-Ahern.pdf
    • http://muicuiu.dumb1.com/5a02a03a07a07a00/P-S-I-love-you-by-Cecelia-Ahern.pdf
    • http://muicuiu.dumb1.com/6a00a06a04a09a06/Doctor-Who-The-Bog-Warrior-by-Cecelia-Ahern.pdf
    • http://muicuiu.dumb1.com/4a09a05a08a00a05/Love-Rosie-by-Cecelia-Ahern.pdf
    • http://muicuiu.dumb1.com/4a08a08a01a04a08/Love-Rosie-by-Cecelia-Ahern.pdf
    • http://muicuiu.dumb1.com/1a01a04a06a00a03a07/Tak-for-alle-minderne-by-Cecelia-Ahern.pdf
    • http://muicuiu.dumb1.com/9a03a03a08a04a00/Tak-for-alle-minderne-by-Cecelia-Ahern.pdf
    • http://muicuiu.dumb1.com/3a02a09a06a03a08/Love-Rosie-by-Cecelia-Ahern.pdf
    • http://muicuiu.dumb1.com/4a05a07a05a09a03/The-Book-of-Tomorrow-by-Cecelia-Ahern.pdf
    • http://muicuiu.dumb1.com/4a00a07a04a09a07/One-Hundred-Names-by-Cecelia-Ahern.pdf
    • http://muicuiu.dumb1.com/7a05a07a05a06a01/Una-cita-con-mi-vida-by-Cecelia-Ahern.pdf
    • http://muicuiu.dumb1.com/6a01a03a03a00a06/Si-tu-me-voyais-maintenant-by-Cecelia-Ahern.pdf
    • http://muicuiu.dumb1.com/8a08a04a07a09a04/Das-Jahr-in-dem-ich-dich-traf-by-Cecelia-Ahern.pdf

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