Malicious PDF — malware analysis report

Static analysis result for SHA-256 10baa1f3e6103f73…

MALICIOUS

PDF

15.2 KB Created: 2019-04-30 04:46:38 +01:00 Authoring application: mPDF 5.7
MD5: 697a432af2e0963e3626845aa07e4ddf SHA-1: 77cb1a294e45b3ca437f3c81d16c289a37ee551b SHA-256: 10baa1f3e6103f7315e28104db952422c2bd3e70c18901530949b139f166f84b
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm. While the document body is heavily obfuscated, the presence of numerous links suggests an attempt to direct users to external content, potentially for SEO manipulation or to host malicious payloads. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

Heuristics 3

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/4a05a05a01a00a02/The-Queen-from-Provence-Plantagenet-Saga-6-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/1a05a03a04a02a00/The-Queen-from-Provence-Plantagenet-Saga-6-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/4a02a03a01a00a07/The-Plantagenet-Prelude-Plantagenet-Saga-1-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/1a05a03a05a04a05/The-Sun-in-Splendour-Plantagenet-Saga-14-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/4a06a08a09a04a03/The-Vow-on-the-Heron-Plantagenet-Saga-9-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/1a05a02a05a03a04/The-Revolt-of-the-Eaglets-Plantagenet-Saga-2-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/1a06a08a08a05a08/A-Favorite-of-the-Queen-Tudor-Saga-11-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/2a05a01a01a07a08/The-Queen-and-Lord-M-Queen-Victoria-2-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/1a05a02a09a02a08/The-Queen-s-Secret-Queens-of-England-7-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/1a05a03a07a05a05/The-Widow-of-Windsor-Queen-Victoria-4-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/1a05a03a02a08a00/Queen-Jezebel-Catherine-de-Medici-3-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/1a05a03a05a06a06/The-Murder-in-the-Tower-Stuart-Saga-3-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/1a05a03a00a09a04/Gay-Lord-Robert-Tudor-Saga-11-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/1a05a01a03a02a09/The-Thistle-and-the-Rose-Tudor-Saga-8-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/4a00a00a00a06a05/The-Sixth-Wife-Tudor-Saga-7-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/1a05a00a00a01a08/The-Princess-of-Celle-Georgian-Saga-1-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/1a05a03a08a05a08/Perdita-s-Prince-Georgian-Saga-6-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/1a05a03a00a07a02/Katharine-the-Virgin-Widow-Tudor-Saga-2-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/1a05a03a06a05a03/Here-Lies-Our-Sovereign-Lord-Stuart-Saga-6-Charles-II-3-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/1a05a00a00a01a02/The-Royal-Road-to-Fotheringhay-Stuart-Saga-1-Mary-Stuart-1-by-Jean-Plaidy.pdf

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