Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6997f3cd9d2c2d6…

MALICIOUS

PDF

15.2 KB Created: 2019-05-05 08:31:25 +01:00 Authoring application: mPDF 5.7
MD5: b46695ee2deb215ba03449205c34222f SHA-1: df522168af05c5e976442423d668527b6eb3ef05 SHA-256: e6997f3cd9d2c2d61c77d6dbb1b604f0b0d4cbdb7c2f5c77b46b18712726f82c
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO poisoning or to distribute malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

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://seasasac.lflinkup.com/9da7da8da7da2da7/Simulation-of-Local-Area-Networks-by-Matthew-N-O-Sadiku.pdf
    • http://seasasac.lflinkup.com/5da8da6da4da1/The-Tournament-by-Matthew-Reilly.pdf
    • http://seasasac.lflinkup.com/2da8da9da6da8da7/Ice-Station-by-Matthew-Reilly.pdf
    • http://seasasac.lflinkup.com/4da1da0da9da0da1/Hover-Car-Racer-by-Matthew-Reilly.pdf
    • http://seasasac.lflinkup.com/2da6da3da4da7da1/Seven-Ancient-Wonders-by-Matthew-Reilly.pdf
    • http://seasasac.lflinkup.com/4da1da0da5da9da9/The-Great-Zoo-of-China-by-Matthew-Reilly.pdf
    • http://seasasac.lflinkup.com/3da5da8da9da1da6/The-Great-Zoo-of-China-by-Matthew-Reilly.pdf
    • http://seasasac.lflinkup.com/7da5/The-Great-Zoo-of-China-by-Matthew-Reilly.pdf
    • http://seasasac.lflinkup.com/2da8da9da5da5da7/Seven-Deadly-Wonders-by-Matthew-Reilly.pdf
    • http://seasasac.lflinkup.com/1da8da0da7da6da1/Ice-Station-Shane-Schofield-1-by-Matthew-Reilly.pdf
    • http://seasasac.lflinkup.com/5da0da4da9da4da2/Ice-Station-Shane-Schofield-1-by-Matthew-Reilly.pdf
    • http://seasasac.lflinkup.com/3da6da3da3da0/Ice-Station-Shane-Schofield-1-by-Matthew-Reilly.pdf
    • http://seasasac.lflinkup.com/4da6da7da7da6/Scarecrow-Shane-Schofield-3-by-Matthew-Reilly.pdf
    • http://seasasac.lflinkup.com/2da4da6da4da1da2/The-Four-Legendary-Kingdoms-Jack-West-Jr-4-by-Matthew-Reilly.pdf
    • http://seasasac.lflinkup.com/1da1da4da8da7da1/The-5-Greatest-Warriors-Jack-West-Jr-3-by-Matthew-Reilly.pdf
    • http://seasasac.lflinkup.com/1da1da5da0da6da1/Scarecrow-Returns-Shane-Schofield-4-by-Matthew-Reilly.pdf
    • http://seasasac.lflinkup.com/9da4da8da0/The-Three-Secret-Cities-Jack-West-Jr-5-by-Matthew-Reilly.pdf
    • http://seasasac.lflinkup.com/1da1da5da8da8da0/Hell-Island-Shane-Schofield-3-5-by-Matthew-Reilly.pdf
    • http://seasasac.lflinkup.com/8da3da8da0da4da7/Finding-a-Nanny-for-Your-Child-in-the-San-Francisco-Bay-Area-A-Step-By-Step-Workbook-with-Local-Resources-in-the-8-Bay-Area-Counties-by-Alyce-Desrosiers.pdf
    • http://seasasac.lflinkup.com/2da3da3da5da2da3/Area-1-Area-1-2-by-Stella-Purple.pdf
    • http://seasasac.lflinkup.com/3da6da3da3da0/Ice-Station-Shane-Schofield-1-by-Matt

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