Malicious PDF — malware analysis report

Static analysis result for SHA-256 a72ed4cc141a877f…

MALICIOUS

PDF

16.1 KB Created: 2019-04-30 04:33:48 +01:00 Authoring application: mPDF 5.7
MD5: 76c2e2121051e5af28ff0bc1ef031ae5 SHA-1: 87e6448efdc74a76c7ba5deef2d8b8e65c565b8f SHA-256: a72ed4cc141a877f086953d1618c49931b4a69e0894329ac7c4952b268ac464f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 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. While the document body is heavily obfuscated, the presence of numerous links suggests a potential SEO manipulation or a distribution vector for further malicious content. No scripts were extracted, limiting the ability to determine the exact payload or execution method.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9811

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/4a01a03a07a04a07/Fushigi-Y-gi-The-Mysterious-Play-Vol-3-Disciple-by-Yuu-Watase.pdf
    • http://muicuiu.dumb1.com/1a00a06a06a03a00a07/Fushigi-Yuugi-16---Die-zerbrochene-Uhr-Fushigi-Y-gi-The-Mysterious-Play-16-by-Yuu-Watase.pdf
    • http://muicuiu.dumb1.com/5a09a04a06a04/Fushigi-Y-gi-The-Mysterious-Play-Vol-1-Priestess-by-Yuu-Watase.pdf
    • http://muicuiu.dumb1.com/4a01a03a07a07a02/Fushigi-Y-gi-The-Mysterious-Play-Vol-5-Rival-by-Yuu-Watase.pdf
    • http://muicuiu.dumb1.com/4a01a03a05a00a05/Fushigi-Y-gi-The-Mysterious-Play-Vol-2-Oracle-by-Yuu-Watase.pdf
    • http://muicuiu.dumb1.com/3a06a01a05a07a03/Fushigi-Y-gi-The-Mysterious-Play-Vol-14-Prophet-by-Yuu-Watase.pdf
    • http://muicuiu.dumb1.com/4a01a07a09a06a04/Fushigi-Y-gi-The-Mysterious-Play-Vol-1-Priestess-by-Yuu-Watase.pdf
    • http://muicuiu.dumb1.com/4a06a04a06a08a02/Fushigi-Y-gi-The-Mysterious-Play-Vol-11-Veteran-by-Yuu-Watase.pdf
    • http://muicuiu.dumb1.com/4a06a05a00a09a01/Fushigi-Y-gi-Genbu-Kaiden-Vol-02-Fushigi-Y-gi-Genbu-Kaiden-2-by-Yuu-Watase.pdf
    • http://muicuiu.dumb1.com/3a08a06a05a09/The-Perfect-Play-Play-by-Play-1-by-Jaci-Burton.pdf
    • http://muicuiu.dumb1.com/3a02a03a07a07a01/The-Perfect-Play-Play-by-Play-1-by-Jaci-Burton.pdf
    • http://muicuiu.dumb1.com/4a00a01a02a05a06/Disciple-of-the-Dog-by-R-Scott-Bakker.pdf
    • http://muicuiu.dumb1.com/1a09a06a08a06a03/The-Disciple-of-Las-Vegas-Ava-Lee-2-by-Ian-Hamilton.pdf
    • http://muicuiu.dumb1.com/2a04a06a06a07a05/The-12th-Disciple-by-C-E-Trantham.pdf
    • http://muicuiu.dumb1.com/9a05a04a02a03a01/Play-Better-Tennis-in-Two-Hours-Simplify-the-Game-and-Play-Like-the-Pros-by-Oscar-Wegner.pdf
    • http://muicuiu.dumb1.com/8a00a00a06a08a01/The-Lost-Art-of-Disciple-Making-by-LeRoy-Eims.pdf
    • http://muicuiu.dumb1.com/1a08a01a03a03/Zapata-s-Disciple-Essays-by-Mart-n-Espada.pdf
    • http://muicuiu.dumb1.com/1a00a00a09a00a07a04/The-Disciple-Making-Pastor-by-Bill-Hull.pdf
    • http://muicuiu.dumb1.com/8a02a08a08a06a06/Canine-Play-Behavior-The-Science-Of-Dogs-At-Play-by-Mechtild-K-ufer.pdf
    • http://muicuiu.dumb1.com/7a01a00a08a09/Absolute-Boyfriend-Vol-1-by-Yuu-Watase.pdf

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