Malicious PDF — malware analysis report

Static analysis result for SHA-256 7007e6a7990f46a9…

MALICIOUS

PDF

16.6 KB Created: 2019-04-29 23:26:26 +01:00 Authoring application: mPDF 5.7
MD5: 18cbe10e3e0fe0d67d05b8e8e1e0a395 SHA-1: 985c1c4ba29d3247fb514ded6ff1e4ab13a1e09e SHA-256: 7007e6a7990f46a9b48faf0bb3c28c4f5787f4c98bb9b6d4b87c0c0d73dcf379
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by a machine learning classifier and contains a large number of embedded links to external PDF files, characteristic of a link farm. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect users to potentially malicious content. The presence of a "download button" lure further supports a deceptive user interaction pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9913

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/6a05a01a08a09a09/Heart-of-Darkness-Joseph-Conrad-by-Joseph-Conrad.pdf
    • http://muicuiu.dumb1.com/1a01a08a07a01a03a07/Heart-of-Darkness-the-Classic-Novel-by-Joseph-Conrad-Classic-Books-by-Joseph-Conrad.pdf
    • http://muicuiu.dumb1.com/2a03a04a04a06a02/The-Heart-Of-Darkness-by-Joseph-Conrad.pdf
    • http://muicuiu.dumb1.com/7a07a01a00a03a05/Heart-of-Darkness-by-Joseph-Conrad.pdf
    • http://muicuiu.dumb1.com/1a00a04a01a08a02a01/Heart-of-Darkness-with-eBook-by-Joseph-Conrad.pdf
    • http://muicuiu.dumb1.com/9a03a08a06a02a06/Heart-of-Darkness-illustrated-by-Joseph-Conrad.pdf
    • http://muicuiu.dumb1.com/2a01a05a04a04a02/Heart-of-Darkness-and-The-Secret-Sharer-by-Joseph-Conrad.pdf
    • http://muicuiu.dumb1.com/7a07a00a00a06a05/Heart-of-Darkness-Vintage-Voyages-by-Joseph-Conrad.pdf
    • http://muicuiu.dumb1.com/5a08a05a03a09a06/Heart-of-Darkness-in-comprehensible-English-by-Joseph-Conrad.pdf
    • http://muicuiu.dumb1.com/5a07a04a01a08a06/Heart-of-Darkness-Original-and-Unabridged-by-Joseph-Conrad.pdf
    • http://muicuiu.dumb1.com/6a08a05a04a03a02/Collins-Classics---Heart-of-Darkness-by-Joseph-Conrad.pdf
    • http://muicuiu.dumb1.com/1a03a09a06a05a06/Youth-Heart-of-Darkness-The-End-of-the-Tether-by-Joseph-Conrad.pdf
    • http://muicuiu.dumb1.com/3a03a03a08a07/Heart-of-Darkness-and-The-Secret-Sharer-by-Joseph-Conrad.pdf
    • http://muicuiu.dumb1.com/9a08a05a01a09a03/Heart-of-Darkness-A-Novella-in-Three-Parts-by-Joseph-Conrad.pdf
    • http://muicuiu.dumb1.com/3a01a09a08a02a04/Heart-of-Darkness-and-Selected-Short-Fiction-by-Joseph-Conrad.pdf
    • http://muicuiu.dumb1.com/9a07a09a06a08a03/Heart-of-Darkness-Das-Herz-Der-Finsternis-English---German-by-Joseph-Conrad.pdf
    • http://muicuiu.dumb1.com/9a00a09a01a09a05/Heart-of-Darkness-Centaur-Classics-The-100-greatest-novels-of-all-time---28-by-Joseph-Conrad.pdf
    • http://muicuiu.dumb1.com/1a00a04a07a07a07a02/Heart-of-Darkness-British-Classics-Series-Including-Author-s-Memoirs-Letters-amp-Critical-Essays-by-Joseph-Conrad.pdf
    • http://muicuiu.dumb1.com/1a00a05a06a07a03a00/The-Joseph-Conrad-Collection-by-Joseph-Conrad.pdf
    • http://muicuiu.dumb1.com/5a05a01a08a09/Nostromo-by-Joseph-Conrad.pdf

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