Malicious PDF — malware analysis report

Static analysis result for SHA-256 d457c193d5929be0…

MALICIOUS

PDF

17.1 KB Created: 2019-04-30 05:15:03 +01:00 Authoring application: mPDF 5.7
MD5: 968202ad3bc473a2ca3107eabba991b3 SHA-1: b18ef987c11ba2cf8f84ae633b811b3182ba0f52 SHA-256: d457c193d5929be04ae4268594d1f8886de7079b0d050aeac8075ff3d991d3b2
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. While most of these URLs were individually classified as benign, the sheer volume and the ML_NYX_PDF_MALICIOUS classifier indicate a malicious intent. The document body, though heavily obfuscated, contains these URLs, suggesting they are the primary payload or lure. The attack pattern is likely related to SEO manipulation or redirecting users to potentially malicious content hosted on these domains.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9788

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/1a00a07a02a03a07a01/The-Ecology-of-Adaptive-Radiation-Oxford-Series-in-Ecology-amp-Evolution-by-Dolph-Schluter.pdf
    • http://muicuiu.dumb1.com/1a01a09a07a00a03a01/Born-Modern-The-Life-and-Design-of-Alvin-Lustig-by-Steve-Heller.pdf
    • http://muicuiu.dumb1.com/2a05a08a03a09a07/Heller-s-Revenge-Heller-2-by-J-D-Nixon.pdf
    • http://muicuiu.dumb1.com/4a02a09a04a09a07/God-Is-Here-Connecting-with-Him-in-Everyday-Life-by-Steve-Case.pdf
    • http://muicuiu.dumb1.com/6a08a04a09a03/The-Re-enchantment-of-Everyday-Life-by-Thomas-Moore.pdf
    • http://muicuiu.dumb1.com/4a01a01a06a03a00/The-Presentation-of-Self-in-Everyday-Life-by-Erving-Goffman.pdf
    • http://muicuiu.dumb1.com/7a02a03a02a01/Plan-B-A-Nick-Heller-Story-Nick-Heller-2-5-by-Joseph-Finder.pdf
    • http://muicuiu.dumb1.com/4a01a05a00a04a08/Aikido-in-Everyday-Life-Giving-in-to-Get-Your-Way-by-Victor-Miller.pdf
    • http://muicuiu.dumb1.com/1a09a00a01a00a02/Large-Animals-in-Everyday-Life-by-Wendy-Brenner.pdf
    • http://muicuiu.dumb1.com/8a08a08a00a04a01/The-Mindfulness-Solution-Everyday-Practices-for-Everyday-Problems-by-Ronald-D-Siegel.pdf
    • http://muicuiu.dumb1.com/8a08a05a03a08a07/Tarot-Your-Everyday-Guide-Practical-Problem-Solving-and-Everyday-Advice-by-Janina-Renee.pdf
    • http://muicuiu.dumb1.com/2a05a09a00a00a07/Luck-The-Brilliant-Randomness-Of-Everyday-Life-by-Nicholas-Rescher.pdf
    • http://muicuiu.dumb1.com/5a03a09a00a05a08/Rhythmanalysis-Space-Time-and-Everyday-Life-by-Henri-Lefebvre.pdf
    • http://muicuiu.dumb1.com/1a01a02a08a07a06/What-s-a-Girl-to-Do-Finding-Faith-in-Everyday-Life-by-Kristi-Holl.pdf
    • http://muicuiu.dumb1.com/9a00a03a05a03a03/In-Hitler-s-Germany-Everyday-Life-in-the-Third-Reich-by-Bernt-Engelmann.pdf
    • http://muicuiu.dumb1.com/2a00a05a06a07a05/Grace-in-Practice-A-Theology-of-Everyday-Life-by-Paul-F-M-Zahl.pdf
    • http://muicuiu.dumb1.com/1a01a08a06a06a04a05/The-OPA-Way-Finding-Joy-amp-Meaning-in-Everyday-Life-amp-Work-by-Alex-Pattakos.pdf
    • http://muicuiu.dumb1.com/4a09a07a08a03a05/The-Way-of-the-Heathen-Practicing-Atheism-in-Everyday-Life-by-Greta-Christina.pdf
    • http://muicuiu.dumb1.com/3a01a09a01a09a09/Everyday-Jews-Scenes-from-a-Vanished-Life-by-Yehoshue-Perle.pdf
    • http://muicuiu.dumb1.com/1a00a00a06a06a04a09/Tahiti-Beyond-the-Postcard-Power-Place-and-Everyday-Life-by-Miriam-Kahn.pdf
    • http://muicuiu.dumb1.com/8a08a08a00a04a01

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