Malicious PDF — malware analysis report

Static analysis result for SHA-256 4492908b62e396cb…

MALICIOUS

PDF

25.8 KB Created: 2019-04-30 03:32:56 +01:00 Authoring application: mPDF 5.7
MD5: 17a29501ebe3e360a180063aa208fcf1 SHA-1: e6ca7098d9f8ef0217587b51a2fe9685facbea15 SHA-256: 4492908b62e396cbb8ec9a656ec2f76f00fe221218857d00e9e26aa59b3b0a37
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, directing users to external websites. While the document body is unreadable, the ML classifier strongly suggests malicious intent. The primary attack pattern involves luring users to a link farm, likely for SEO poisoning or to host further malicious content.

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/7a09a09a06a03/The-Passion-of-the-Western-Mind-Understanding-the-Ideas-that-Have-Shaped-Our-World-View-by-Richard-Tarnas.pdf
    • http://muicuiu.dumb1.com/1a00a02a02a02a00a03/Islam-for-the-Western-Mind-Understanding-Muhammad-and-the-Koran-by-Richard-Henry-Drummond.pdf
    • http://muicuiu.dumb1.com/2a07a05a03a01a02/Thinking-on-Paper-Refine-Express-and-Actually-Generate-Ideas-by-Understanding-the-Processes-of-the-Mind-by-V-A-Howard.pdf
    • http://muicuiu.dumb1.com/1a00a02a07a02a01a00/Western-Civilization-Ideas-Politics-and-Society-by-Marvin-Perry.pdf
    • http://muicuiu.dumb1.com/5a00a07a02a01a04/If-A-Mind-Bending-New-Way-of-Looking-at-Big-Ideas-and-Numbers-by-David-J-Smith.pdf
    • http://muicuiu.dumb1.com/6a01a00a09a03a06/A-Mind-At-Home-With-Itself-How-Asking-Four-Questions-Can-Free-Your-Mind-Open-Your-Heart-and-Turn-Your-World-Around-by-Byron-Katie.pdf
    • http://muicuiu.dumb1.com/5a02a07a08a04a03/The-Books-that-Shaped-Art-History-From-Gombrich-and-Greenberg-to-Alpers-and-Krauss-by-Richard-Shone.pdf
    • http://muicuiu.dumb1.com/4a03a05a07a01a05/This-House-of-Sky-Landscapes-of-a-Western-Mind-by-Ivan-Doig.pdf
    • http://muicuiu.dumb1.com/9a02a00a00a03/How-to-Think-about-the-Great-Ideas-From-the-Great-Books-of-Western-Civilization-by-Mortimer-J-Adler.pdf
    • http://muicuiu.dumb1.com/1a09a02a02a07a00/A-History-of-Western-Philosophy-Volume-2-The-Medieval-Mind-by-W-T-Jones.pdf
    • http://muicuiu.dumb1.com/3a02a03a07a08a08/The-Mind-and-the-Market-Capitalism-in-Western-Thought-by-Jerry-Z-Muller.pdf
    • http://muicuiu.dumb1.com/1a00a00a06a02a05/A-Disease-in-the-Public-Mind-A-New-Understanding-of-Why-We-Fought-the-Civil-War-by-Thomas-J-Fleming.pdf
    • http://muicuiu.dumb1.com/1a09a02a04a02/Gay-Ideas-Outing-and-Other-Controversies-by-Richard-D-Mohr.pdf
    • http://muicuiu.dumb1.com/4a01a00a04a02a08/The-Three-Battlegrounds-An-In-Depth-View-of-the-Three-Arenas-of-Spiritual-Warfare-The-Mind-the-Church-and-the-Heavenly-Places-by-Francis-Frangipane.pdf
    • http://muicuiu.dumb1.com/9a01a09a08a04a02/435-Simple-YouTube-Video-Ideas-by-Richard-N-Stephenson.pdf
    • http://muicuiu.dumb1.com/3a02a00a08a07a07/The-Erotic-Mind-Unlocking-the-Inner-Sources-of-Passion-and-Fulfillment-by-Jack-Morin.pdf
    • http://muicuiu.dumb1.com/2a01a00a01a09a09/Bananas-How-The-United-Fruit-Company-Shaped-the-World-by-Peter-Chapman.pdf
    • http://muicuiu.dumb1.com/2a02a09a09a02a05/Sex-Genes-and-Rock-n-Roll-How-Evolution-Has-Shaped-the-Modern-World-by-Rob-Brooks.pdf
    • http://muicuiu.dumb1.com/4a01a05a00a02a09/Eastern-Body-Western-Mind-Psychology-and-the-Chakra-System-As-a-Path-to-the-Self-by-Anodea-Judith.pdf
    • http://muicuiu.dumb1.com/2a05a05a08a07a09/What-Is-Mathematics-An-Elementary-Approach-to-Ideas-and-Methods-by-Richard-Courant.pdf
    • http://muicuiu.dumb1.com/6a01a00a09a03a06/A-Mind-At-Home-With-Itself-How-Asking-Four-Questions-Can-Free-Your-Mind-Open-Your-Heart-and-Tur