Malicious PDF — malware analysis report

Static analysis result for SHA-256 db8be72db5e218ca…

MALICIOUS

PDF

18.8 KB Created: 2019-04-30 06:03:04 +01:00 Authoring application: mPDF 5.7
MD5: 63f962ab6fcbe6f60b319365baa67275 SHA-1: fe5190252d05ed91f9eff56193fd6341068bcf8c SHA-256: db8be72db5e218ca6e71d8f8b63a05f582efd3a1a353a24ca6a952b30c728141
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier strongly indicated maliciousness. While no scripts were extracted, the PDF structure and the sheer volume of links suggest a deceptive or harmful intent, possibly to drive traffic to malicious sites or to bypass initial detection mechanisms by appearing as a benign document.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/1a04a01a04a02a05/The-Seven-Principles-of-Golf-Mastering-the-Mental-Game-on-and-Off-the-Golf-Course-by-Darrin-Gee.pdf
    • http://muicuiu.dumb1.com/7a09a04a01a01a04/Fearless-Golf-Conquering-the-Mental-Game-by-Gio-Valiante.pdf
    • http://muicuiu.dumb1.com/3a01a04a03a03a05/Quantum-Golf-The-Path-to-Golf-Mastery-by-Kjell-Enhager.pdf
    • http://muicuiu.dumb1.com/7a09a04a00a01a08/GOLF-The-Best-Instruction-Book-Ever-by-Golf-Magazine.pdf
    • http://muicuiu.dumb1.com/7a09a04a00a01a02/The-Golf-Rules-Learn-the-Rules-of-Golf-by-Watching-Others-Break-Them-by-Richard-E-Todd.pdf
    • http://muicuiu.dumb1.com/5a03a05a07a07a05/Golf-Is-a-Game-of-Confidence-by-Bob-Rotella.pdf
    • http://muicuiu.dumb1.com/1a09a06a06a08a04/The-Forbidden-Game-Golf-and-the-Chinese-Dream-by-Dan-Washburn.pdf
    • http://muicuiu.dumb1.com/3a00a06a04a01a08/The-Match-The-Day-the-Game-of-Golf-Changed-Forever-by-Mark-Frost.pdf
    • http://muicuiu.dumb1.com/7a09a04a01a02a02/Golf-for-Enlightenment-The-Seven-Lessons-for-the-Game-of-Life-by-Deepak-Chopra.pdf
    • http://muicuiu.dumb1.com/4a08a05a05a08/The-Legend-of-Bagger-Vance-A-Novel-of-Golf-and-the-Game-of-Life-by-Steven-Pressfield.pdf
    • http://muicuiu.dumb1.com/1a06a01a06a04a05/Alice-Cooper-Golf-Monster-A-Rock-n-Roller-s-12-Steps-to-Becoming-a-Golf-Addict-by-Alice-Cooper.pdf
    • http://muicuiu.dumb1.com/3a01a05a07a05a03/The-Laws-of-the-Golf-Swing-Body-Type-Your-Swing-and-Master-Your-Game-by-Mike-Adams.pdf
    • http://muicuiu.dumb1.com/4a07a04a08a09a05/Mastering-Composition-Techniques-and-Principles-to-Dramatically-Improve-Your-Painting-Mastering-North-Light-Books-by-Ian-Roberts.pdf
    • http://muicuiu.dumb1.com/7a09a04a01a09a03/Golf-by-Peter-Ballingall.pdf
    • http://muicuiu.dumb1.com/7a09a03a08a06a02/Golf-Flow-by-Gio-Valiante.pdf
    • http://muicuiu.dumb1.com/7a09a04a00a01a05/Golf-Anatomy-by-Craig-Davies.pdf
    • http://muicuiu.dumb1.com/1a01a07a02a01a08/Far-amp-Sure-For-Golf-and-Country-by-Zaid-Ibrahim.pdf
    • http://muicuiu.dumb1.com/2a02a03a01a04a02/How-I-Play-Golf-by-Tiger-Woods.pdf
    • http://muicuiu.dumb1.com/7a01a01a02a05a00/Teach-Yourself-Golf-by-Kunal-Nagi.pdf
    • http://muicuiu.dumb1.com/1a00a00a05a03a07a08/Golf-In-the-Tropics-by-Tute-Puerta.pdf

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