Malicious PDF — malware analysis report

Static analysis result for SHA-256 49259766b08adf64…

MALICIOUS

PDF

15.2 KB Created: 2019-04-30 05:13:58 +01:00 Authoring application: mPDF 5.7
MD5: 13944f38ed1c22ae26a84e7ee19134bd SHA-1: 0aac7627d62897eba558d0b80337b9f23a2d33f1 SHA-256: 49259766b08adf64a2789ec099457ef561c712cca02fc90c6f270ff770f5d50f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded links to external PDF documents, forming a link farm. This is indicative of a SEO poisoning or link-farming attack, likely intended to drive traffic or distribute malicious content indirectly. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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/7099091090096093/Supergirl-and-the-Legion-of-Super-Heroes-Vol-6-The-Quest-for-Cosmic-Boy-by-Tony-Bedard.pdf
    • http://loaminoo.linkpc.net/7099091092091093/Supergirl-32-by-Tony-Bedard.pdf
    • http://loaminoo.linkpc.net/7099091092090099/Supergirl-28-by-Tony-Bedard.pdf
    • http://loaminoo.linkpc.net/9091096091094093/Legion-of-Super-Heroes-1994--97-Legion-of-Super-Heroes-1994--by-Tom-McCraw.pdf
    • http://loaminoo.linkpc.net/9091096091098090/Legion-of-Super-Heroes-1989--107-by-Tom-McCraw.pdf
    • http://loaminoo.linkpc.net/9091096091098093/Legion-of-Super-Heroes-1989--106-by-Tom-McCraw.pdf
    • http://loaminoo.linkpc.net/3097094092090099/Legion-of-Super-Heroes-Archives-Vol-5-by-Jim-Shooter.pdf
    • http://loaminoo.linkpc.net/9091096090090093/Legion-of-Super-Heroes-The-Beginning-of-Tomorrow-by-Tom-McCraw.pdf
    • http://loaminoo.linkpc.net/9091096091096098/Legion-of-Super-Heroes-1989-2000-53-by-Tom-McCraw.pdf
    • http://loaminoo.linkpc.net/5097090091097092/Revisionism-Radical-Experimentation-and-Dystopia-in-Keith-Giffen-s-Legion-of-Super-Heroes-by-Julian-Darius.pdf
    • http://loaminoo.linkpc.net/7099091091095098/R-E-B-E-L-S-Vol-3-The-Son-and-the-Stars-by-Tony-Bedard.pdf
    • http://loaminoo.linkpc.net/7099091090099097/Convergence-Aquaman-1-by-Tony-Bedard.pdf
    • http://loaminoo.linkpc.net/7099091090096098/R-E-B-E-L-S-Vol-1-The-Coming-of-Starro-by-Tony-Bedard.pdf
    • http://loaminoo.linkpc.net/7099091090099091/DC-Universe-Online-Legends-Vol-2-by-Tony-Bedard.pdf
    • http://loaminoo.linkpc.net/7099091091095099/Convergence-Speed-Force-2-by-Tony-Bedard.pdf
    • http://loaminoo.linkpc.net/7099091092091091/Gotham-City-Sirens-13-by-Tony-Bedard.pdf
    • http://loaminoo.linkpc.net/7099091090099096/Green-Lantern-New-Guardians-2-by-Tony-Bedard.pdf
    • http://loaminoo.linkpc.net/7099091090098097/Convergence-Speed-Force-1-by-Tony-Bedard.pdf
    • http://loaminoo.linkpc.net/7099091090096096/Exiles-Ultimate-Collection-Book-3-by-Tony-Bedard.pdf
    • http://loaminoo.linkpc.net/7099091090098096/Wonder-Woman-Tasmanian-Devil-Special-1-by-Tony-Bedard.pdf
    • http://loaminoo.linkpc.net/5097090091097092/Revisionism-Radical-Experimentation-and-Dystopia-in-Keith-Giffen-s-Legion-of-Super-Heroes-by-Julian-Dar

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