Malicious PDF — malware analysis report

Static analysis result for SHA-256 b8b5bcf61357d369…

MALICIOUS

PDF

22.0 KB Created: 2019-05-01 19:26:27 +01:00 Authoring application: mPDF 5.7
MD5: 3389e88d9dd3550dbd45050e98669cda SHA-1: ca8825a089495c8beada77b700f2b8c052c50f40 SHA-256: b8b5bcf61357d369b0af22fbde88e2d1c969b2736fbecbbd4d3c106ed50a7820
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, as indicated by the PDF_SEO_LINK_FARM heuristic. While the document body is unreadable, the presence of numerous links suggests a malicious intent, possibly for SEO manipulation or to distribute further malware. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9919

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/9da1da4da5da7/The-Hitchhiker-s-Guide-to-the-Galaxy-Hitchhiker-s-Guide-to-the-Galaxy-1-by-Douglas-Adams.pdf
    • http://seasasac.lflinkup.com/3da2da0da7da4/The-Hitchhiker-s-Guide-to-the-Galaxy-Hitchhiker-s-Guide-to-the-Galaxy-1-by-Douglas-Adams.pdf
    • http://seasasac.lflinkup.com/6da3da3da4da3da1/The-Hitchhiker-s-Guide-to-the-Galaxy-Hitchhiker-s-Guide-to-the-Galaxy-1-by-Douglas-Adams.pdf
    • http://seasasac.lflinkup.com/1da8da7da0da3da2/The-Hitchhiker-s-Guide-to-the-Galaxy-Hitchhiker-s-Guide-to-the-Galaxy-1-by-Douglas-Adams.pdf
    • http://seasasac.lflinkup.com/8da8da3da8da6da4/The-Hitchhiker-s-Guide-to-the-Galaxy-Hitchhiker-s-Guide-1-by-Douglas-Adams.pdf
    • http://seasasac.lflinkup.com/5da6da6da4da5da1/Hitchhiker-s-Guide-to-the-Galaxy-by-Douglas-Adams.pdf
    • http://seasasac.lflinkup.com/5da8da5da3da2da1/The-Hitchhiker-s-Guide-to-the-Galaxy-by-Douglas-Adams.pdf
    • http://seasasac.lflinkup.com/2da7da1da7da6da9/The-Hitch-Hiker-s-Guide-to-the-Galaxy-Hitchhiker-s-Guide-1-by-Douglas-Adams.pdf
    • http://seasasac.lflinkup.com/4da0da7da0da1da0/Mostly-Harmless-Hitchhiker-s-Guide-to-the-Galaxy-5-by-Douglas-Adams.pdf
    • http://seasasac.lflinkup.com/3da3da3da4da3/So-Long-and-Thanks-for-All-the-Fish-Hitchhiker-s-Guide-to-the-Galaxy-4-by-Douglas-Adams.pdf
    • http://seasasac.lflinkup.com/8da6da3da2da1da8/Macht-s-gut-und-danke-f-r-den-Fisch-Hitchhiker-s-Guide-to-the-Galaxy-4-by-Douglas-Adams.pdf
    • http://seasasac.lflinkup.com/1da4da7da5da2da4/Young-Zaphod-Plays-It-Safe-Hitchhiker-s-Guide-to-the-Galaxy-0-5-by-Douglas-Adams.pdf
    • http://seasasac.lflinkup.com/1da0da1da7da7da5da4/Douglas-Adams-5-Books-set-The-Hitchhiker-s-Guide-to-the-Galaxy-The-Restaurant-at-the-End-of-the-Universe-Life-The-Universe-and-Everything-So-Long-and-Thanks-for-all-the-Fish-and-Mostly-Harmless-by-Douglas-Adams.pdf
    • http://seasasac.lflinkup.com/8da8da4da0da0da6/The-Hitchhiker-s-Guide-to-the-Hitchhiker-s-Guide-to-the-Galaxy-by-Eoin-Colfer.pdf
    • http://seasasac.lflinkup.com/4da7da9da3da2da7/And-Another-Thing-Hitchhiker-s-Guide-to-the-Galaxy-6-by-Eoin-Colfer.pdf
    • http://seasasac.lflinkup.com/3da0da7da3da1da6/And-Another-Thing-Hitchhiker-s-Guide-to-the-Galaxy-6-by-Eoin-Colfer.pdf
    • http://seasasac.lflinkup.com/4da3da4da9da3da8/And-Another-Thing-Hitchhiker-s-Guide-to-the-Galaxy-6-by-Eoin-Colfer.pdf
    • http://seasasac.lflinkup.com/9da4da9da6da6/The-More-Than-Complete-Hitchhiker-s-Guide-by-Douglas-Adams.pdf
    • http://seasasac.lflinkup.com/4da7da9da3da2da6/Mostly-Harmless-Hitchhiker-s-Guide-5-by-Douglas-Adams.pdf
    • http://seasasac.lflinkup.com/2da5da7da2da2da8/Life-the-Universe-and-Everything-Hitchhiker-s-Guide-3-by-Douglas-Adams.pdf
    • http://seasasac.lflinkup.com/8da8da3da8da6da4/The-Hitchhiker-s-Guide-to-the-Galaxy-Hitchhiker-s-Guide-1-by-Douglas-Ada

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