Malicious PDF — malware analysis report

Static analysis result for SHA-256 f030b13fb68d1a3a…

MALICIOUS

PDF

13.4 KB Created: 2019-05-02 17:03:26 +01:00 Authoring application: mPDF 5.7
MD5: 9fb534d6acd6ad0d08cbddc78ba74e09 SHA-1: 5e80677d5c1c8fc65be4cf5c04732109ec7997b9 SHA-256: f030b13fb68d1a3a56fca0f6de20fad573e4931c85ce82992aa3abd7532f86a7
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded links, identified as a PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious. While the document body is heavily obfuscated, the primary malicious activity appears to be the distribution of numerous links hosted on loaminoo.linkpc.net, likely to distribute further malicious content or engage in SEO spam.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9102

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://loaminoo.linkpc.net/1094096093098097/Beg-No-Pardon-by-Lynne-Thompson.pdf
    • http://loaminoo.linkpc.net/1090097099097093094/The-Lost-King-of-Oz-Oz-Thompson-and-others-19-by-Ruth-Plumly-Thompson.pdf
    • http://loaminoo.linkpc.net/8092092092098098/The-Lynne-Truss-Treasury-Columns-and-Three-Comic-Novels-by-Lynne-Truss.pdf
    • http://loaminoo.linkpc.net/9092092093092096/Le-pardon-by-JOSY.pdf
    • http://loaminoo.linkpc.net/1090092091094099099/Act-of-Pardon-by-Sandra-Sookoo.pdf
    • http://loaminoo.linkpc.net/1090092091095090096/Le-pardon-by-Danielle-Steel.pdf
    • http://loaminoo.linkpc.net/1090092091096094092/A-Pardon-Too-Few-by-Margaret-Callow.pdf
    • http://loaminoo.linkpc.net/1090092091095096091/Say-Pardon-by-David-Ignatow.pdf
    • http://loaminoo.linkpc.net/1090092091095090090/Total-Pardon-by-Wil-Yazzie.pdf
    • http://loaminoo.linkpc.net/1090092091095090094/Beyond-Pardon-by-Bertha-M-Clay.pdf
    • http://loaminoo.linkpc.net/1090092091095097091/Beg-Your-Pardon-by-Peter-J-Branson.pdf
    • http://loaminoo.linkpc.net/1090092091095096096/The-Fool-s-Pardon-by-Kenneth-Griffith.pdf
    • http://loaminoo.linkpc.net/1090096090091098/Pardon-Me-You-re-Stepping-on-My-Eyeball-by-Paul-Zindel.pdf
    • http://loaminoo.linkpc.net/1090092091094098098/Pardon-My-Ghoulish-Laughter-by-Fredric-Brown.pdf
    • http://loaminoo.linkpc.net/1090092091095096097/Pardon-My-Fangs-by-Elizabeth-Starr-Hill.pdf
    • http://loaminoo.linkpc.net/1090092091096094091/Pardon-Me-Sir-There-s-a-Moose-in-Your-Tent-by-Larry-Weill.pdf
    • http://loaminoo.linkpc.net/4097099091090093/The-Queen-s-Pardon-Alexis-Carew-6-by-J-A-Sutherland.pdf
    • http://loaminoo.linkpc.net/2091090099096098/The-Writings-of-David-Thompson-Volume-1-The-Travels-1850-Version-by-David-Thompson.pdf
    • http://loaminoo.linkpc.net/1090092091095097090/Pardon-the-Disruption-The-Future-You-Never-Saw-Coming-by-Clayton-R-Rawlings.pdf
    • http://loaminoo.linkpc.net/1090092091095090095/Following-Daisies---A-True-Story-About-One-Woman-s-Adventures-by-Heather-J-Pardon.pdf
    • http://loaminoo.linkpc.net/1090096090091098/Pardon-Me-You-re-Steppi

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