Malicious PDF — malware analysis report

Static analysis result for SHA-256 602f2223c59142b7…

MALICIOUS

PDF

14.9 KB Created: 2019-05-02 05:14:49 +01:00 Authoring application: mPDF 5.7
MD5: f639f18276987068f0fbc0b3fb713dd4 SHA-1: 62388d68ac88c215b455eb084ad9ba2a41f52c00 SHA-256: 602f2223c59142b7bd870aad2d2efa6498a157429bc071657c4623b2f9431f3b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs disguised as links to comic book-related PDFs. The heuristic 'PDF_SEO_LINK_FARM' indicates this is likely an attempt to generate traffic or distribute malicious content through SEO spam tactics. While no scripts were explicitly extracted, the presence of embedded URLs and the ML classifier's high confidence suggest malicious intent, possibly involving JavaScript for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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/4097098094095095/Excelsior-The-Amazing-Life-of-Stan-Lee-by-Stan-Lee.pdf
    • http://loaminoo.linkpc.net/1090099096099097099/Stan-Without-Ollie-The-Stan-Laurel-Solo-Films-1917-1927-by-Ted-Okuda.pdf
    • http://loaminoo.linkpc.net/8090090092091/Essential-Amazing-Spider-Man-Vol-3-by-Stan-Lee.pdf
    • http://loaminoo.linkpc.net/3094095092090091/The-Amazing-Spider-Man-Omnibus-Vol-1-by-Stan-Lee.pdf
    • http://loaminoo.linkpc.net/3093097098094099/Essential-Amazing-Spider-Man-Vol-2-by-Stan-Lee.pdf
    • http://loaminoo.linkpc.net/3094095095091093/Essential-Amazing-Spider-Man-Vol-1-by-Stan-Lee.pdf
    • http://loaminoo.linkpc.net/4094094092097099/Amazing-Fantastic-Incredible-A-Marvelous-Memoir-by-Stan-Lee.pdf
    • http://loaminoo.linkpc.net/3090097090092092/The-Amazing-Spider-Man-The-Death-of-Gwen-Stacy-by-Stan-Lee.pdf
    • http://loaminoo.linkpc.net/3092092094095099/The-Dusk-And-Dawn-Master-A-Practical-Guide-to-Transforming-Evening-and-Morning-Habits-Achieving-Better-Sleep-and-Mastering-Your-Life-by-Stan-Jacobs.pdf
    • http://loaminoo.linkpc.net/4094093096093099/Fantastic-Four-Omnibus-Vol-2-by-Stan-Lee.pdf
    • http://loaminoo.linkpc.net/1091097093099098090/The-Soma-Man-by-Stan-Wilczek.pdf
    • http://loaminoo.linkpc.net/5090096090090090/The-Lacustrine-Suite-by-Stan-Mir.pdf
    • http://loaminoo.linkpc.net/1091096090090096098/Essential-Thor-Vol-1-by-Stan-Lee.pdf
    • http://loaminoo.linkpc.net/3094096091091095/Essential-Astonishing-Ant-Man-Vol-1-by-Stan-Lee.pdf
    • http://loaminoo.linkpc.net/1090095099096096094/Journey-Into-Mystery-86-by-Stan-Lee.pdf
    • http://loaminoo.linkpc.net/1099093091098090/The-Superhero-Women-by-Stan-Lee.pdf
    • http://loaminoo.linkpc.net/3093097095093094/Essential-Fantastic-Four-Vol-2-by-Stan-Lee.pdf
    • http://loaminoo.linkpc.net/9099097096099096/Red-to-the-Rind-by-Stan-Rice.pdf
    • http://loaminoo.linkpc.net/8093092096090093/Stan-Lee-The-Man-Behind-Marvel-by-Bob-Batchelor.pdf
    • http://loaminoo.linkpc.net/2099095097099/The-Vanishing-White-Man-by-Stan-Steiner.pdf