Malicious PDF — malware analysis report

Static analysis result for SHA-256 06bd776ad56142ee…

MALICIOUS

PDF

17.4 KB Created: 2019-04-28 08:43:24 +01:00 Authoring application: mPDF 5.7
MD5: b7bc32bf1e303f2296cf6ae153468267 SHA-1: d8b2dbbcab0b57a5c3c5eb73f5f9ec228769f0da SHA-256: 06bd776ad56142ee024d6ea91a8585ee39b8d8e410a055716ee11c3cd5d5fd5f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, identified as a link farm. This technique is often used to manipulate search engine results or to distribute malicious content. While the ML classifier strongly indicated maliciousness, the specific intent beyond link farming is unclear due to the lack of executable scripts.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/5099095091098098/Pentaho-Kettle-Solutions-Building-Open-Source-Etl-Solutions-with-Pentaho-Data-Integration-by-Matt-Casters.pdf
    • http://loaminoo.linkpc.net/5094097096095091/Enter-Helen-The-Invention-of-Helen-Gurley-Brown-and-the-Rise-of-the-Modern-Single-Woman-by-Brooke-Hauser.pdf
    • http://loaminoo.linkpc.net/3095094095099098/The-Good-Life-Helen-and-Scott-Nearing-s-Sixty-Years-of-Self-Sufficient-Living-by-Helen-Nearing.pdf
    • http://loaminoo.linkpc.net/2095095093094098/Lady-Helen-and-the-Dark-Days-Club-Lady-Helen-1-by-Alison-Goodman.pdf
    • http://loaminoo.linkpc.net/6090093093098092/To-Love-This-Life-Quotations-By-Helen-Keller-by-Helen-Keller.pdf
    • http://loaminoo.linkpc.net/3099095090094098/Answer-Me-This-by-Helen-Zaltzman-Olly-Mann-by-Helen-Zaltzman.pdf
    • http://loaminoo.linkpc.net/8091095096099094/Let-Us-C-Solutions-by-Yashavant-P-Kanetkar.pdf
    • http://loaminoo.linkpc.net/2097093099092098/Solutions-by-Karin-Bishop.pdf
    • http://loaminoo.linkpc.net/7097099090095099/Solutions-of-Laplace-s-Equation-by-D-R-Bland.pdf
    • http://loaminoo.linkpc.net/7095097090093090/Final-Solutions-by-Frederick-Seidel.pdf
    • http://loaminoo.linkpc.net/7097099091095094/Solutions-of-Laplace-s-Equation-by-D-R-Bland.pdf
    • http://loaminoo.linkpc.net/7099098091093098/Photoshop-Elements-3-Solutions-by-Mikkel-Aaland.pdf
    • http://loaminoo.linkpc.net/3096093098095092/Electromagnetic-Pollution-Solutions-by-Glen-Swartwout.pdf
    • http://loaminoo.linkpc.net/8095092094092097/Management-Solutions-For-Veterinary-Practices-Hb-2012-by-Mercader-P-.pdf
    • http://loaminoo.linkpc.net/7092093092090098/Queueing-Systems-Problems-and-Solutions-by-Leonard-Kleinrock.pdf
    • http://loaminoo.linkpc.net/5097096092094091/CSS-Secrets-Better-Solutions-to-Everyday-Web-Design-Problems-by-Lea-Verou.pdf
    • http://loaminoo.linkpc.net/8092090094097090/Essentials-of-Statistics-with-Student-s-Solutions-Manual-by-Mario-F-Triola.pdf
    • http://loaminoo.linkpc.net/7099098090094095/Photoshop-Elements-2-Solutions-The-Art-of-Digital-Photography-by-Mikkel-Aaland.pdf
    • http://loaminoo.linkpc.net/7093097096097095/Vert-paradoxe-Le-pi-ge-des-solutions-co-nerg-tiques-by-David---Owen.pdf
    • http://loaminoo.linkpc.net/8092090091093093/Student-s-Solutions-Manual-for-Elementary-Statistics-by-Milton-Loyer.pdf

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