Malicious PDF — malware analysis report

Static analysis result for SHA-256 f69383574804d596…

MALICIOUS

PDF

15.9 KB Created: 2019-04-30 02:44:49 +01:00 Authoring application: mPDF 5.7
MD5: 846e3a1f987d24bde54f1b93735e5f5d SHA-1: ca0b31c32efd1c1330e6a01701fe2f8e747f04d8 SHA-256: f69383574804d596dcdc864ac4b480dd1d312ad8ca5dac39babecc88d9e5eafa
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF document contains a large number of embedded external links, identified as a link farm. The ML classifier strongly indicated maliciousness. The primary attack pattern involves directing users to a large collection of external PDF files, likely for SEO poisoning or to host malicious content. No scripts were extracted, and the document body was heavily obfuscated, preventing further analysis of specific content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9800

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/2a08a03a00a05a03/Taming-My-Prince-Charming-Finding-My-Prince-Charming-2-by-J-S-Cooper.pdf
    • http://muicuiu.dumb1.com/1a07a04a03a07a02/Keeping-My-Prince-Charming-Finding-My-Prince-Charming-3-by-J-S-Cooper.pdf
    • http://muicuiu.dumb1.com/3a08a01a07a07a05/Her-Prince-Charming-by-Faith-Austen.pdf
    • http://muicuiu.dumb1.com/4a08a08a04a03a01/Charming-the-Prince-by-Teresa-Medeiros.pdf
    • http://muicuiu.dumb1.com/3a00a02a06a08a01/Prince-Charming-by-Julie-Garwood.pdf
    • http://muicuiu.dumb1.com/2a08a00a08a06a04/Prince-Charming-by-Sara-Celi.pdf
    • http://muicuiu.dumb1.com/4a01a02a03a08a05/Prince-Charming-by-Julie-Garwood.pdf
    • http://muicuiu.dumb1.com/1a04a00a09a07a02/Prince-Charming-Ascension-Trilogy-3-by-Gaelen-Foley.pdf
    • http://muicuiu.dumb1.com/8a09a07a02a04a05/Berryella-and-Prince-Berry-Charming-by-Mickie-Matheis.pdf
    • http://muicuiu.dumb1.com/8a09a07a02a04a09/Berryella-and-Prince-Berry-Charming-by-Mickie-Matheis.pdf
    • http://muicuiu.dumb1.com/4a07a00a05a01a06/Tripping-Prince-Charming---A-Romance-of-S-h-orts-by-Ey-Wade.pdf
    • http://muicuiu.dumb1.com/1a03a08a03a02a00/Will-the-Real-Prince-Charming-Please-Stand-Up-by-Ella-Martin.pdf
    • http://muicuiu.dumb1.com/2a06a00a01a06a07/No-Prince-Charming-Secrets-of-Stone-1-by-Angel-Payne.pdf
    • http://muicuiu.dumb1.com/5a05a06a00a08a09/Batman-The-Dark-Prince-Charming-by-Enrico-Marini.pdf
    • http://muicuiu.dumb1.com/4a05a07a02a07a02/Kissing-Frogs-In-Search-of-Prince-Charming-by-Lauren-Galley.pdf
    • http://muicuiu.dumb1.com/4a09a03a00a00a07/Loving-a-Prince-Charming-Fairy-Tales-amp-Ever-Afters-3-by-Danielle-Monsch.pdf
    • http://muicuiu.dumb1.com/9a09a04a05a09a03/Charming-Academy-Charming-Academy-1-by-Jessica-L-Elliott.pdf
    • http://muicuiu.dumb1.com/3a02a07a06a03a03/The-Winter-Prince-by-R-Cooper.pdf
    • http://muicuiu.dumb1.com/2a09a09a05a02a03/The-Omega-Prince-The-Kingdom-of-Pacchia-1-by-Lia-Cooper.pdf
    • http://muicuiu.dumb1.com/1a01a04a07a09a04a01/The-Prince-of-Tennis-Vol-41-The-Final-Battle-The-Prince-VS-the-Child-of-God-by-Takeshi-Konomi.pdf
    • http://muicuiu.dumb1.com/1a03a08a03a02a00/Will-the-Rea

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