Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a213c9d99faf92f…

MALICIOUS

PDF

21.0 KB Created: 2019-05-02 01:00:29 +01:00 Authoring application: mPDF 5.7
MD5: ee27695045507398166b06ccaf534894 SHA-1: 6d70cb9b292315e945c2fb4e815efd268d060b40 SHA-256: 9a213c9d99faf92fcea4d9acb91d7ddc27170ddffdb3ed6c4341dd1738bf806d
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded URLs, identified as a link farm. While the specific URLs extracted were classified as benign, the heuristic 'PDF_SEO_LINK_FARM' indicates a malicious intent to manipulate search engine results or redirect users. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample, limiting the ability to determine further payload delivery or execution mechanisms.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9924

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/1a01a06a01a09a07a08/Darjeeling-A-History-of-the-World-s-Greatest-Tea-by-Jeff-Koehler.pdf
    • http://muicuiu.dumb1.com/2a01a05a08a02/A-Sense-of-the-World-How-a-Blind-Man-Became-History-s-Greatest-Traveler-by-Jason-Roberts.pdf
    • http://muicuiu.dumb1.com/4a04a07a00a05a06/The-Paper-Trail-An-Unexpected-History-of-the-World-s-Greatest-Invention-by-Alexander-Monro.pdf
    • http://muicuiu.dumb1.com/5a07a03a07a04a04/Monash-and-Chauvel-How-Australia-s-two-greatest-generals-changed-the-course-of-world-history-by-Roland-Perry.pdf
    • http://muicuiu.dumb1.com/1a01a06a02a00a02a06/Darjeeling-Revisited-A-Journey-on-the-Darjeeling-Himalayan-Railway-by-Bob-Cable.pdf
    • http://muicuiu.dumb1.com/1a01a06a02a00a03a04/The-Darjeeling-Himalayan-Railway-A-Guide-To-The-D-H-R-Darjeeling-And-Its-Tea-by-Richard-Wallace.pdf
    • http://muicuiu.dumb1.com/1a01a06a02a00a04a00/History-of-Darjeeling-and-the-Sikkim-Himalaya-by-K-C-Bhanja.pdf
    • http://muicuiu.dumb1.com/1a01a06a02a02a04a04/Fallen-Cicada-Unwritten-History-of-Darjeeling-Hills-by-Sanjay-Biswas-Barun-Roy.pdf
    • http://muicuiu.dumb1.com/2a01a01a02a09a08/Since-the-World-Began-Walt-Disney-World--The-First-25-Years-by-Jeff-Kurtti.pdf
    • http://muicuiu.dumb1.com/1a00a00a04a09a00a04/Interactive-Cengage-Learing-eBook-World-History-Resource-Center-Instant-Access-Code-for-Duiker-Spielvogel-s-The-Essential-World-History-by-William-J-Duiker.pdf
    • http://muicuiu.dumb1.com/8a07a00a02a06a03/D-Day-The-Greatest-Invasion---A-People-s-History-by-Dan-van-der-Vat.pdf
    • http://muicuiu.dumb1.com/8a03a03a05a07a08/Upon-Further-Review-The-Greatest-What-Ifs-in-Sports-History-by-Mike-Pesca.pdf
    • http://muicuiu.dumb1.com/6a06a04a02a03/The-Greatest-Miracle-in-the-World-by-Og-Mandino.pdf
    • http://muicuiu.dumb1.com/1a08a04a08a00a08/The-Greatest-Secret-in-the-World-by-Og-Mandino.pdf
    • http://muicuiu.dumb1.com/4a01a03a02a05a06/Become-Great-and-Powerful-How-to-take-your-place-among-history-s-Greatest-by-Dave-Lucas.pdf
    • http://muicuiu.dumb1.com/4a05a06a00a04a06/The-Greatest-Shows-on-Earth-A-History-of-the-Circus-by-Linda-Simon.pdf
    • http://muicuiu.dumb1.com/5a02a00a06a07a05/The-World-s-Greatest-Lion-by-Ralph-Helfer.pdf
    • http://muicuiu.dumb1.com/6a07a05a00a00a00/The-World-s-Greatest-Mistakes-by-Nigel-Blundell.pdf
    • http://muicuiu.dumb1.com/2a06a07a00a04a01/World-s-Greatest-Sleuth-by-Steve-Hockensmith.pdf
    • http://muicuiu.dumb1.com/6a07a04a08a04a04/The-World-s-Greatest-UFO-Mysteries-by-Nigel-Blundell.pdf
    • http://muicuiu.dumb1.com/1a01a06a02a00a03a04/The-Darjeeling-Himalayan-Railway-A-Guide-T

Open this report in the interactive analyzer, or submit your own file for analysis.