Malicious PDF — malware analysis report

Static analysis result for SHA-256 67e608355f02b1a9…

MALICIOUS

PDF

15.2 KB Created: 2019-04-30 17:22:48 +01:00 Authoring application: mPDF 5.7
MD5: 386037789fae19d8d9405e570180752a SHA-1: 9d45739c75559e67fd4ad71f2e9f11428591a9be SHA-256: 67e608355f02b1a9e37a0c6c285a268923a2afba2aae7740c1a7a33e2932e0d2
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded external links, identified as a PDF_SEO_LINK_FARM heuristic. While the document body is heavily obfuscated, the presence of numerous links suggests an attempt to manipulate search engine results or distribute content from these URLs. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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://loaminoo.linkpc.net/5092096095094094/Be-Like-the-Fox-Machiavelli-In-His-World-by-Erica-Benner.pdf
    • http://loaminoo.linkpc.net/5092096096096092/The-Garments-of-Court-and-Palace-Machiavelli-and-the-World-that-he-Made-by-Philip-Bobbitt.pdf
    • http://loaminoo.linkpc.net/5097094092095097/The-Prince---Niccolo-Machiavelli---Original-Version-by-Niccol-Machiavelli.pdf
    • http://loaminoo.linkpc.net/1091090096093097090/The-Prince-by-Niccol-Machiavelli-Best-Navigation-Active-TOC-by-Niccol-Machiavelli.pdf
    • http://loaminoo.linkpc.net/2097094099091095/Bridging-Beyond-by-Kathleen-Benner-Duble.pdf
    • http://loaminoo.linkpc.net/9099092091095093/Unternehmer-oder-Arbeitnehmer-by-G-nter-Benner.pdf
    • http://loaminoo.linkpc.net/1091097098098096099/The-Animal-Kingdom-Of-Erica-Wilson-21-Traceable-Crewel-amp-Amp-Needlepoint-Designs-by-Erica-Wilson.pdf
    • http://loaminoo.linkpc.net/3091095090091/Bravo-Zulu-Samantha-by-Kathleen-Benner-Duble.pdf
    • http://loaminoo.linkpc.net/5092096096097094/The-Prince-By-Niccolo-Machiavelli-And-The-Art-Of-War-By-Sun-Tzu-by-Niccol-Machiavelli.pdf
    • http://loaminoo.linkpc.net/1090092099096097098/Ungeahnte-Wirkungen-falscher-und-richtiger-Ern-hrung-by-Max-Bircher-Benner.pdf
    • http://loaminoo.linkpc.net/1090091093096094098/Large-Scale-Networks-in-Engineering-and-Life-Sciences-by-Peter-Benner.pdf
    • http://loaminoo.linkpc.net/3098094097094093/The-Art-of-War-by-Niccol-Machiavelli.pdf
    • http://loaminoo.linkpc.net/5093094097098098/The-Prince-by-Niccol-Machiavelli.pdf
    • http://loaminoo.linkpc.net/5092096095094095/Machiavelli-and-Us-by-Louis-Althusser.pdf
    • http://loaminoo.linkpc.net/5094092096092095/The-Prince-by-Niccol-Machiavelli.pdf
    • http://loaminoo.linkpc.net/5092096095094096/Thoughts-on-Machiavelli-by-Leo-Strauss.pdf
    • http://loaminoo.linkpc.net/9099095092097090/The-Prince-by-Niccol-Machiavelli.pdf
    • http://loaminoo.linkpc.net/1095094091091093/The-Prince-by-Niccol-Machiavelli.pdf
    • http://loaminoo.linkpc.net/6099098095094099/Le-prince-by-Niccol-Machiavelli.pdf
    • http://loaminoo.linkpc.net/4096093098090096/The-Prince-by-Niccol-Machiavelli.pdf

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