Malicious PDF — malware analysis report

Static analysis result for SHA-256 b693c2d55987c942…

MALICIOUS

PDF

28.9 KB Created: 2019-04-28 12:45:44 +01:00 Authoring application: mPDF 5.7
MD5: a71792902e448cd498e9ee106b7ea4d7 SHA-1: fe870c7ad444bb24051b1d8791cb861d75f7a59c SHA-256: b693c2d55987c942b1adda7d77d9a1ebb6cc22c5ea935d9a3a9bc4f116d47bc6
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded URLs, forming a link farm. The heuristic PDF_SEO_LINK_FARM indicates that these links are likely intended to direct users to external content, potentially for SEO manipulation or to host malicious payloads. The ML classifier also flagged the PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9695

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/4a02a09a08a04a05/Mental-Toughness-Understanding-the-Game-of-Life-by-Timothy-S-Wakefield.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/1a00a05a09a04a03a09/Mental-Toughness-Training-Program-The-Guide-to-your-Peak-Performance-State-Control-and-Self-Discipline-by-David-Hamann.pdf
    • http://muicuiu.dumb1.com/7a09a04a01a01a04/Fearless-Golf-Conquering-the-Mental-Game-by-Gio-Valiante.pdf
    • http://muicuiu.dumb1.com/1a01a05a06a04a01a02/The-Psychology-of-Baseball-Inside-the-Mental-Game-of-the-Major-League-Player-by-Mike-Stadler.pdf
    • http://muicuiu.dumb1.com/2a03a07a03a09a05/Psychiatric-Interviewing-the-Art-of-Understanding-A-Practical-Guide-for-Psychiatrists-Psychologists-Counselors-Social-Workers-Nurses-and-Other-Mental-Health-Professionals-by-Shawn-Christopher-Shea.pdf
    • http://muicuiu.dumb1.com/1a07a06a02a09a05/No-Game-No-Life-Vol-1-No-Game-No-Life-Light-Novels-1-by-Yuu-Kamiya.pdf
    • http://muicuiu.dumb1.com/1a09a02a03a00a07/Herbie-s-Game-Junior-Bender-4-by-Timothy-Hallinan.pdf
    • http://muicuiu.dumb1.com/1a04a01a04a02a05/The-Seven-Principles-of-Golf-Mastering-the-Mental-Game-on-and-Off-the-Golf-Course-by-Darrin-Gee.pdf
    • http://muicuiu.dumb1.com/7a05a03a04a08a07/The-Road-to-Xenu-Life-Inside-Scientology-by-Margery-Wakefield.pdf
    • http://muicuiu.dumb1.com/9a02a04a01a04a05/Inner-Game-Stress-Wie-Sie-gr-ere-innere-Stabilit-t-gewinnen-um-die-Herausforderungen-des-Lebens-bew-ltigen-zu-k-nnen-by-W-Timothy-Gallwey.pdf
    • http://muicuiu.dumb1.com/5a02a02a04a03/The-Game-The-Game-is-Life-1-by-Terry-Schott.pdf
    • http://muicuiu.dumb1.com/3a03a00a05a04a02/In-Over-Our-Heads-The-Mental-Demands-of-Modern-Life-by-Robert-Kegan.pdf
    • http://muicuiu.dumb1.com/6a04a03a01a02a01/Van-Gogh-s-Inner-Struggle-Life-Work-and-Mental-Illness-by-Liesbeth-Heenk.pdf
    • http://muicuiu.dumb1.com/4a06a03a03a07a07/Mad-at-School-Rhetorics-of-Mental-Disability-and-Academic-Life-by-Margaret-Price.pdf
    • http://muicuiu.dumb1.com/1a07a03a01a09a01/Journey-Untold-My-Mother-s-Struggle-with-Mental-Illnesses-Bipolar-paranoid-schizophrenia-or-other-forms-of-mental-illness-is-debilitating-for-everyone-including-the-families-left-to-try-to-cope-by-Yassin-Hall.pdf
    • http://muicuiu.dumb1.com/4a08a02a00a06a04/Insane-Asylums-A-Detailed-Synopsis-Of-Their-History-And-Mistreatment-Of-Patients-Psychopath-Sociopath-Mental-Illness-Personality-Disorders-Mental-Health-Insanity-Book-3-by-Alex-Rice.pdf
    • http://muicuiu.dumb1.com/4a02a06a05a09a08/Catch-a-Fire-The-Life-of-Bob-Marley-by-Timothy-White.pdf
    • http://muicuiu.dumb1.com/2a02a07a04a07/Understanding-The-Simplicity-of-Life-by-Colin-D-Mallard.pdf
    • http://muicuiu.dumb1.com/6a07a08a08/Tribe-of-Mentors-Short-Life-Advice-from-the-Best-in-the-World-by-Timothy-Ferriss.pdf
    • http://muicuiu.dumb1.com/1a01a05a06a04a01a02/The-Psychology-of-Baseball-Inside-the-Mental-Game-of-the-Major-Leagu

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