Malicious PDF — malware analysis report

Static analysis result for SHA-256 10ba14bb991c81ff…

MALICIOUS

PDF

19.7 KB Created: 2019-05-07 08:30:27 +01:00 Authoring application: mPDF 5.7
MD5: 54eeabf1bbd42079e4ff7298baee3a5b SHA-1: 019846c33cf3a16d78acf9a85b5b15afc0bc391d SHA-256: 10ba14bb991c81ff7672db20a70c41a64f729cd8be81740f02a9867a397d749c
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, identified as a link farm. This technique is often used to manipulate search engine rankings or to distribute malicious content. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

Heuristics 3

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/1a02a07a01a00a09/In-The-End-by-Edward-M-Wolfe.pdf
    • http://muicuiu.dumb1.com/7a04a01a06a04/Hell-on-Ice-In-The-End-2-by-Edward-M-Wolfe.pdf
    • http://muicuiu.dumb1.com/7a07a01a04a09a05/In-the-End-A-Pre-Apocalypse-Novel-by-Edward-M-Wolfe.pdf
    • http://muicuiu.dumb1.com/2a00a04a06a03a08/DarkWolfe-Sons-of-de-Wolfe-de-Wolfe-Pack-9-by-Kathryn-Le-Veque.pdf
    • http://muicuiu.dumb1.com/2a00a04a06a03a05/Nighthawk-Sons-of-de-Wolfe-de-Wolfe-Pack-7-by-Kathryn-Le-Veque.pdf
    • http://muicuiu.dumb1.com/3a05a06a08a08a04/Archie-Meets-Nero-Wolfe-A-Prequel-to-Rex-Stout-s-Nero-Wolfe-Mysteries-Nero-Wolfe-Novels-by-Robert-Goldsborough-8-by-Robert-Goldsborough.pdf
    • http://muicuiu.dumb1.com/3a07a04a06a03a04/Wolfe-Winter-Big-Bad-Wolfe-5-by-Joan-Hohl.pdf
    • http://muicuiu.dumb1.com/3a00a01a06a00a00/Red-amp-Wolfe-Part-One-Red-amp-Wolfe-1-by-Ella-James.pdf
    • http://muicuiu.dumb1.com/3a09a04a06a06a06/Red-amp-Wolfe-Part-Four-Red-amp-Wolfe-4-by-Ella-James.pdf
    • http://muicuiu.dumb1.com/8a09a08a09a07a03/Waking-Wolfe-Scott-Wolfe-1-by-S-L-Shelton.pdf
    • http://muicuiu.dumb1.com/2a05a08a04a01/The-Best-of-Gene-Wolfe-A-Definitive-Retrospective-of-His-Finest-Short-Fiction-by-Gene-Wolfe.pdf
    • http://muicuiu.dumb1.com/8a04a04a09a02a00/The-Haunting-of-Nathaniel-Wolfe-Nathaniel-Wolfe-1-by-Brian-Keaney.pdf
    • http://muicuiu.dumb1.com/9a07a09a07a08a02/The-Two-Edwards-How-King-Edward-VII-and-Foreign-Secretary-Sir-Edward-Grey-Fomented-the-First-World-War-by-Peter-Hof.pdf
    • http://muicuiu.dumb1.com/6a00a02a07a09a07/The-5-Heads-of-Humbert-Wolfe-by-Humbert-Wolfe.pdf
    • http://muicuiu.dumb1.com/2a03a03a07a01/The-Americanization-of-Edward-Bok-by-Edward-William-Bok.pdf
    • http://muicuiu.dumb1.com/9a00a02a09a04a06/Memoirs-of-Theobald-Wolfe-Tone-by-Theobald-Wolfe-Tone.pdf
    • http://muicuiu.dumb1.com/4a00a05a08a09a09/Edward-Scissorhands-Volume-2-Whole-Again-Edward-Scissorhands-2-by-Kate-Leth.pdf
    • http://muicuiu.dumb1.com/2a09a08a02a08a01/Edward-Gorey-His-Book-Cover-Art-and-Design-by-Edward-Gorey.pdf
    • http://muicuiu.dumb1.com/3a01a00a03a07a04/Where-the-Summer-Ends-The-Best-Horror-Stories-of-Karl-Edward-Wagner-Volume-One-by-Karl-Edward-Wagner.pdf
    • http://muicuiu.dumb1.com/2a05a04a04a02a01/Fighting-for-the-Confederacy-The-Personal-Recollections-of-General-Edward-Porter-Alexander-by-Edward-Porter-Alexander.pdf

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