Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a13605dec3f35e7…

MALICIOUS

PDF

18.0 KB Created: 2019-05-02 01:09:35 +01:00 Authoring application: mPDF 5.7
MD5: 6191e8c330482e0c3e4a8c4abaa0206e SHA-1: 7fdf934230cb4787437815fcb0cada0f29c570d8 SHA-256: 6a13605dec3f35e7267da9706a57d163fae54a1b474fb83f93900bfb9a4ffd7f
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection to malicious content. The ML_NYX_PDF_MALICIOUS heuristic also flagged the document with high confidence. While no scripts were extracted, the presence of numerous external links indicates an attempt to direct the user to potentially harmful content, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9807

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/1a01a09a06a07a01a05/The-Pipe-Organ-Tales-from-Grace-Chapel-Inn-15-by-Jane-Orcutt.pdf
    • http://muicuiu.dumb1.com/1a02a05a09a00/The-Fugitive-Heart-Heart-s-True-Desire-1-by-Jane-Orcutt.pdf
    • http://muicuiu.dumb1.com/1a01a08a08a04a07a06/BARENREITER-LUBECK-VINCENT---NEW-EDITION-OF-THE-COMPLETE-ORGAN-AND-KEYBOARD-WORKS-VOL-1---ORGAN-HARPSICHORD-Classical-sheets-Organ-by-Lubeck.pdf
    • http://muicuiu.dumb1.com/7a01a06a06a08/The-Black-Chapel-The-Chapel-Series-1-by-Marilyn-Cruise.pdf
    • http://muicuiu.dumb1.com/3a03a06a02a08a06/The-Boyhood-of-Grace-Jones-Grace-Jones-2-by-Jane-Langton.pdf
    • http://muicuiu.dumb1.com/3a06a09a06a00a02/Chapel-Springs-Survival-Chapel-Springs-3-by-Ane-Mulligan.pdf
    • http://muicuiu.dumb1.com/5a05a06a05a09/Saving-Grace-by-Jane-Green.pdf
    • http://muicuiu.dumb1.com/2a02a04a08a00a03/Falling-from-Grace-by-Jane-Godwin.pdf
    • http://muicuiu.dumb1.com/1a01a00a00a09a05a07/Tales-of-a-Tomboy-Britain-Tales-of-a-Tomboy-1-by-Evan-Grace.pdf
    • http://muicuiu.dumb1.com/4a05a03a07a07a00/Huntsman-Fairy-Tales-22-by-Viola-Grace.pdf
    • http://muicuiu.dumb1.com/4a05a09a08a01a05/Call-the-Moon-Tales-of-the-Citadel-8-by-Viola-Grace.pdf
    • http://muicuiu.dumb1.com/3a04a03a01a05a01/Rain-of-Tears-Tales-of-the-Citadel-22-by-Viola-Grace.pdf
    • http://muicuiu.dumb1.com/3a04a03a01a05a05/Light-of-Battle-Tales-of-the-Citadel-16-by-Viola-Grace.pdf
    • http://muicuiu.dumb1.com/9a03a03a01a03/Master-the-Markets-With-Mutual-Funds-A-Common-Sense-Guide-to-Investing-Success-by-Jon-R-Orcutt.pdf
    • http://muicuiu.dumb1.com/2a06a04a00a09/Tales-of-Wonder-by-Jane-Yolen.pdf
    • http://muicuiu.dumb1.com/1a05a05a08a07/The-Girl-Who-Cried-Flowers-and-Other-Tales-by-Jane-Yolen.pdf
    • http://muicuiu.dumb1.com/8a05a05a07a08a05/Titanic-by-Jim-Pipe.pdf
    • http://muicuiu.dumb1.com/9a05a00a03a04a00/The-Golden-Girls-of-MGM-Greta-Garbo-Joan-Crawford-Lana-Turner-Judy-Garland-Ava-Gardner-Grace-Kelly-and-Others-by-Jane-Ellen-Wayne.pdf
    • http://muicuiu.dumb1.com/8a05a07a05a03a00/Wuthering-Heights-by-Jim-Pipe.pdf
    • http://muicuiu.dumb1.com/7a02a03a01a03a04/Modern-Methods-of-Pipe-Fabrication-by-S-D-Bowman.pdf

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