Malicious PDF — malware analysis report

Static analysis result for SHA-256 fef949ef96580841…

MALICIOUS

PDF

17.8 KB Created: 2019-04-30 08:16:05 +01:00 Authoring application: mPDF 5.7
MD5: 61614f0fa0610be3ea23d7a8b509f993 SHA-1: b9ce9b78afcc28e8112a1bfcb70cd38c55976a26 SHA-256: fef949ef965808419516bd34bf2c865f399c3f56ef2e5cc1e0416403b2161628
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, identified as a link farm, which is a common technique for distributing malware or conducting phishing attacks. The ML classifier strongly supports the malicious verdict. While no scripts were extracted, the sheer volume of outbound links suggests a malicious intent to redirect the user to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9931

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/3a09a02a00a06/Hunter-x-Hunter-Vol-01-Hunter-x-Hunter-1-by-Yoshihiro-Togashi.pdf
    • http://muicuiu.dumb1.com/4a01a01a02a07a06/Hunter-x-Hunter-Vol-05-Hunter-x-Hunter-5-by-Yoshihiro-Togashi.pdf
    • http://muicuiu.dumb1.com/5a08a09a08a01a09/Hunter-x-Hunter-Vol-33-Hunter-x-Hunter-33-by-Yoshihiro-Togashi.pdf
    • http://muicuiu.dumb1.com/5a08a09a08a01a02/Hunter-x-Hunter-Vol-25-Hunter-x-Hunter-25-by-Yoshihiro-Togashi.pdf
    • http://muicuiu.dumb1.com/4a00a08a04a06a03/Hunter-x-Hunter-Vol-14-Hunter-x-Hunter-14-by-Yoshihiro-Togashi.pdf
    • http://muicuiu.dumb1.com/5a08a09a08a06a05/Hunter-x-Hunter-Vol-20-Hunter-x-Hunter-20-by-Yoshihiro-Togashi.pdf
    • http://muicuiu.dumb1.com/5a08a09a07a06a03/Hunter-x-Hunter-Vol-12-Hunter-x-Hunter-12-by-Yoshihiro-Togashi.pdf
    • http://muicuiu.dumb1.com/1a07a06a02a09a03/Hunter-x-Hunter-Vol-14-The-Secret-of-Greed-Island-by-Yoshihiro-Togashi.pdf
    • http://muicuiu.dumb1.com/3a08a09a04a03/The-Guardian-Dark-Hunter-20-Dream-Hunter-5-Were-Hunter-6-Hellchaser-3-by-Sherrilyn-Kenyon.pdf
    • http://muicuiu.dumb1.com/1a07a03a01a00a02/Dark-Bites-Dark-Hunter-22-5-Hellchaser-0-5-Dream-Hunter-0-5-Were-Hunter-3-5-by-Sherrilyn-Kenyon.pdf
    • http://muicuiu.dumb1.com/1a09a02a01a06a07/Upon-the-Midnight-Clear-Dark-Hunter-12-Dream-Hunter-2-by-Sherrilyn-Kenyon.pdf
    • http://muicuiu.dumb1.com/4a03a00a05a01a02/Bad-Moon-Rising-Dark-Hunter-14-Were-Hunter-6-Hellchaser-3-by-Sherrilyn-Kenyon.pdf
    • http://muicuiu.dumb1.com/2a03a02a09a05a02/Hunter-s-Ending-Legend-of-the-Wild-Hunter-Book-5-by-Garry-Spoor.pdf
    • http://muicuiu.dumb1.com/4a01a05a09a07/The-Immortal-Hunter-Argeneau-11-Rogue-Hunter-2-by-Lynsay-Sands.pdf
    • http://muicuiu.dumb1.com/3a03a04a00a07/Night-Play-Dark-Hunter-5-Were-Hunter-1-by-Sherrilyn-Kenyon.pdf
    • http://muicuiu.dumb1.com/3a04a01a07a07/Unleash-the-Night-Dark-Hunter-8-Were-Hunter-2-by-Sherrilyn-Kenyon.pdf
    • http://muicuiu.dumb1.com/4a03a09a02a06a05/The-Renegade-Hunter-Argeneau-12-Rogue-Hunter-3-by-Lynsay-Sands.pdf
    • http://muicuiu.dumb1.com/6a09a09a06a03a02/HUNTER-A-Dylan-Hunter-Justice-Thriller-1-by-Robert-Bidinotto.pdf
    • http://muicuiu.dumb1.com/4a03a04a09a09a03/Sunshine-Hunter-Susan-Hunter-Mystery-1-by-Maddie-Cochere.pdf
    • http://muicuiu.dumb1.com/4a03a05a05a04a05/Retribution-Dark-Hunter-16-Were-Hunter-8-by-Sherrilyn-Kenyon.pdf
    • http://muicuiu.dumb1.com/3a08a09a04a03/The-Guardian-Dark-Hunter-20-Dream-Hunter-5-Were-Hunter-6-H

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