Malicious PDF — malware analysis report

Static analysis result for SHA-256 d014bebcb4fd1065…

MALICIOUS

PDF

18.1 KB Created: 2019-05-03 05:42:42 +01:00 Authoring application: mPDF 5.7
MD5: 977d3c3ff8498d7a9f0248fcd1c64d13 SHA-1: dff0a454a2aee6b6f60851ce0c382d15815f229f SHA-256: d014bebcb4fd1065d1e23590d4259ee90c4119fb69bfb35f8cb57e10518d4a20
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, identified as a link farm. While the URLs themselves are currently marked as benign, the sheer volume and the heuristic 'PDF_SEO_LINK_FARM' indicate a malicious intent, likely for SEO manipulation or to redirect users to potentially harmful content. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9931

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/4a06a05a02a01a04/Everywoman-One-Woman-s-Truth-about-Speaking-the-Truth-by-Jess-Phillips.pdf
    • http://muicuiu.dumb1.com/7a04a02a03a05a07/A-Truth-For-a-Truth-Ministry-is-Murder-Mystery-5-by-Emilie-Richards.pdf
    • http://muicuiu.dumb1.com/3a01a00a04a08a02/The-Truth-Be-Told-The-Truth-in-Lies-Saga-3-by-Jeanne-McDonald.pdf
    • http://muicuiu.dumb1.com/3a08a09a04a02a06/Final-Truth-Truth-4-John-Mancini-10-by-Mariah-Stewart.pdf
    • http://muicuiu.dumb1.com/6a06a05a03a09a06/The-Truth-Be-Told-Collection-The-Truth-by-Patrick-Fidele.pdf
    • http://muicuiu.dumb1.com/3a06a03a00a03a09/The-Trouble-with-the-Truth-Balancing-Truth-and-Grace-by-Rob-Renfroe.pdf
    • http://muicuiu.dumb1.com/5a02a03a09a03/The-Truth-She-Knew-The-Truth-Series-1-by-J-A-Owenby.pdf
    • http://muicuiu.dumb1.com/8a06a04a04/The-Truth-About-Lies-The-Truth-Duet-1-by-Aly-Martinez.pdf
    • http://muicuiu.dumb1.com/1a04a05a08a04a06/Truth-in-Watercolors-Truth-2-by-Kimberly-Rose.pdf
    • http://muicuiu.dumb1.com/5a05a05a03a08/Forgotten-Truth-Truth-3-by-Dawn-Cook.pdf
    • http://muicuiu.dumb1.com/9a01a06a01a02/Sojourner-Truth-Ain-t-I-a-Woman-by-Patricia-C-McKissack.pdf
    • http://muicuiu.dumb1.com/4a02a04a01a01/The-Sword-of-Truth-Boxed-Set-II-Temple-of-the-Winds-Soul-of-the-Fire-Faith-of-the-Fallen-Sword-of-Truth-4-6-by-Terry-Goodkind.pdf
    • http://muicuiu.dumb1.com/2a04a02a09a02a05/The-Truth-About-Us-The-Truth-Duet-2-by-Aly-Martinez.pdf
    • http://muicuiu.dumb1.com/3a06a09a07a08a04/All-Truth-Is-God-s-Truth-by-Arthur-F-Holmes.pdf
    • http://muicuiu.dumb1.com/1a09a06a00a06a06/First-Truth-Truth-1-by-Dawn-Cook.pdf
    • http://muicuiu.dumb1.com/4a03a05a06a04a02/Bible-Basics-quot-Then-you-will-know-the-truth-and-the-truth-will-set-you-free-quot---John-8-32-by-Sam-Shepherd.pdf
    • http://muicuiu.dumb1.com/1a01a03a05a03a03/The-Truth-in-Lies-The-Truth-in-Lies-Saga-1-by-Jeanne-McDonald.pdf
    • http://muicuiu.dumb1.com/4a00a06a04a05a07/The-Department-of-Truth-The-Department-of-Truth-Trilogy-1-by-James-D-Connolly.pdf
    • http://muicuiu.dumb1.com/1a01a05a06a09a04a03/Truth-Lies-Propaganda-in-Africa-Truth-Lies-and-Propaganda-Book-by-Lucinda-E-Clarke.pdf
    • http://muicuiu.dumb1.com/4a01a06a04a02a06/Nothing-But-The-Truth-by-Avi.pdf

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