Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2fa3bb872954abd…

MALICIOUS

PDF

28.1 KB Created: 2019-04-30 05:50:28 +01:00 Authoring application: mPDF 5.7
MD5: df444bfec4b2e455cacaa7944c50dbf1 SHA-1: 8667aa5252826a46a8360596a3a8fc69c5ae07cf SHA-256: e2fa3bb872954abdd87f63c9572c44bfd93da840b2738eb54036bf0a9f92254f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, which suggests a link farm or redirection tactic. While the specific URLs appear benign, the sheer volume and structure indicate a malicious intent to drive traffic or potentially host malicious content. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious classification.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9700

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/6a07a01a00/Admissions-Life-as-a-Brain-Surgeon-by-Henry-Marsh.pdf
    • http://muicuiu.dumb1.com/8a02a00a08a07/Do-No-Harm-Stories-of-Life-Death-and-Brain-Surgery-by-Henry-Marsh.pdf
    • http://muicuiu.dumb1.com/1a01a07a06a00a04a06/Do-No-Harm-Stories-of-Life-Death-and-Brain-Surgery-by-Henry-Marsh.pdf
    • http://muicuiu.dumb1.com/2a03a02a09a00a05/Brain-Surgeon-A-Doctor-s-Inspiring-Encounters-with-Mortality-and-Miracles-by-Keith-Black.pdf
    • http://muicuiu.dumb1.com/5a02a09a04a00/A-Surgeon-in-the-Village-An-American-Doctor-Teaches-Brain-Surgery-in-Africa-by-Tony-Bartelme.pdf
    • http://muicuiu.dumb1.com/2a04a08a04a09a08/Brain-Maker-The-Power-of-Gut-Microbes-to-Heal-and-Protect-Your-Brain---for-Life-by-David-Perlmutter.pdf
    • http://muicuiu.dumb1.com/2a03a07a06a05a01/Digging-Up-the-Dead-Uncovering-the-Life-and-Times-of-an-Extraordinary-Surgeon-by-Druin-Burch.pdf
    • http://muicuiu.dumb1.com/3a03a09a04a05a00/Well-Designed-Life-10-Lessons-in-Brain-Science-amp-Design-Thinking-for-a-Mindful-Healthy-amp-Purposeful-Life-by-Kyra-Bobinet.pdf
    • http://muicuiu.dumb1.com/9a00a03a07a08a07/Mental-Fitness-Training-Improving-your-brain-s-mental-toughness-for-life-Mental-Fitness-mental-training-brain-power-self-improvement-mental-strength-Book-1-by-Stephen-Cabo.pdf
    • http://muicuiu.dumb1.com/4a04a08a01a03a06/Consciousness-and-the-Brain-Deciphering-How-the-Brain-Codes-Our-Thoughts-by-Stanislas-Dehaene.pdf
    • http://muicuiu.dumb1.com/1a01a07a02a03a04a09/Adolescent-Psychopathology-and-the-Developing-Brain-Integrating-Brain-and-Prevention-Science-by-Daniel-Romer.pdf
    • http://muicuiu.dumb1.com/3a07a05a05a04a04/The-Thin-Woman-s-Brain-Re-wiring-the-Brain-for-Permanent-Weight-Loss-by-Dilia-Suriel.pdf
    • http://muicuiu.dumb1.com/4a09a05a07a02/The-Other-Brain-From-Dementia-to-Schizophrenia-How-New-Discoveries-about-the-Brain-Are-Revolutionizing-Medicine-and-Science-by-R-Douglas-Fields.pdf
    • http://muicuiu.dumb1.com/6a06a02a05a04a03/Wiring-the-Brain-for-Reading-Brain-Based-Strategies-for-Teaching-Literacy-by-Marilee-Sprenger.pdf
    • http://muicuiu.dumb1.com/1a05a02a04/The-Admissions-by-Meg-Mitchell-Moore.pdf
    • http://muicuiu.dumb1.com/4a05a09a04/Small-Admissions-by-Amy-Poeppel.pdf
    • http://muicuiu.dumb1.com/5a06a04a09a07a00/Right-Brain-Left-Brain-Reflexology-by-Madeleine-Turgeon.pdf
    • http://muicuiu.dumb1.com/4a02a02a08a03a03/A-Stitch-of-Time-The-Year-a-Brain-Injury-Changed-My-Language-and-Life-by-Lauren-Marks.pdf
    • http://muicuiu.dumb1.com/1a01a00a01a07a00/The-Emotional-Life-of-Your-Brain-How-Its-Unique-Patterns-Affect-the-Way-You-Think-Feel-and-Live--and-How-You-Can-Change-Them-by-Richard-J-Davidson.pdf
    • http://muicuiu.dumb1.com/2a02a00a06a09a07/The-Last-Best-Cure-My-Quest-to-Awaken-the-Healing-Parts-of-My-Brain-and-Get-Back-My-Body-My-Joy-and-My-Life-by-Donna-Jackson-Nakazawa.pdf
    • http://muicuiu.dumb1.com/2a03a07a06a05a01/Digging-Up-the-Dead-Uncovering-the-Life-and-Times-of-an-Extraordinary-Surgeon

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