Malicious PDF — malware analysis report

Static analysis result for SHA-256 6b16583b714a073d…

MALICIOUS

PDF

19.2 KB Created: 2019-05-01 20:13:06 +01:00 Authoring application: mPDF 5.7
MD5: d33538d3102e400dd76dd2659ed74120 SHA-1: d82c28237f6c6a04467ac35037441b873a4ab848 SHA-256: 6b16583b714a073dd671743643e2816d673bd501d17bca3122a2e68ea20a451a
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. While the document body is heavily obfuscated, the presence of numerous links suggests an attempt to direct users to external resources. The ML classifier also flagged this PDF as malicious, indicating a high probability of malicious intent, likely related to distributing further malicious content or SEO abuse.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/4da4da9da9da7da5/Four-Cheeks-To-The-Wind-The-Story-Of-A-Two-Year-Transcontinental-Bicycle-Ride-by-Mary-Bryant.pdf
    • http://seasasac.lflinkup.com/4da7da0da1da1da7/It-Is-Well-with-My-Soul-The-Extraordinary-Life-of-a-106-Year-Old-Woman-by-Ella-Mae-Cheeks-Johnson.pdf
    • http://seasasac.lflinkup.com/8da3da2da6da4da1/Mystery-Ride-Saddle-Club-48-by-Bonnie-Bryant.pdf
    • http://seasasac.lflinkup.com/2da3da8da1da5da1/Beach-Ride-Saddle-Club-26-by-Bonnie-Bryant.pdf
    • http://seasasac.lflinkup.com/1da0da7da0da8da8da6/Endurance-Ride-Saddle-Club-69-by-Bonnie-Bryant.pdf
    • http://seasasac.lflinkup.com/8da2da2da5da2da8/Iron-Rails-Iron-Men-and-the-Race-to-Link-the-Nation-The-Story-of-the-Transcontinental-Railroad-by-Martin-W-Sandler.pdf
    • http://seasasac.lflinkup.com/2da9da5da4da1/Ride-Down-The-Wind-by-Wayne-Barton.pdf
    • http://seasasac.lflinkup.com/3da5da5da4da6da7/Ride-the-Wind-Home-by-Christina-Kingston.pdf
    • http://seasasac.lflinkup.com/1da7da8da7da0da5/Ride-with-the-Wind-The-Ghost-Riders-1-by-Marla-Monroe.pdf
    • http://seasasac.lflinkup.com/4da7da9da4da2da3/Dirty-Ride-Wind-Dragons-MC-3-5-by-Chantal-Fernando.pdf
    • http://seasasac.lflinkup.com/2da1da2da1da7da7/Wild-Ride-Wind-Dragons-MC-4-5-by-Chantal-Fernando.pdf
    • http://seasasac.lflinkup.com/1da5da0da8da7da0/Ride-The-Free-Wind-Savage-Destiny-2-by-Rosanne-Bittner.pdf
    • http://seasasac.lflinkup.com/8da2da4da8da3da9/The-Chimes-A-Goblin-Story-of-Some-Bells-That-Rang-an-Old-Year-Out-and-a-New-Year-in-by-Charles-Dickens.pdf
    • http://seasasac.lflinkup.com/4da5da0da5da5da0/Ready-to-Ride-by-Mary-Winter.pdf
    • http://seasasac.lflinkup.com/8da0da1da1da2/The-Midnight-Ride-of-Blackwell-Station-by-Mary-Peace-Finley.pdf
    • http://seasasac.lflinkup.com/1da8da8da3da3da5/Six-Dots-A-Story-of-Young-Louis-Braille-by-Jen-Bryant.pdf
    • http://seasasac.lflinkup.com/7da0da1da9da7/A-River-of-Words-The-Story-of-William-Carlos-Williams-by-Jen-Bryant.pdf
    • http://seasasac.lflinkup.com/4da8da0da8da9da8/The-Wind-off-the-Small-Isles-by-Mary-Stewart.pdf
    • http://seasasac.lflinkup.com/3da8da1da0da5da9/Bear-The-Hard-Life-amp-Good-Times-of-Alabama-s-Coach-Bryant-by-Paul-W-Bryant.pdf
    • http://seasasac.lflinkup.com/2da8da8da2da3da0/The-Wind-in-the-Rosebush-and-Other-Stories-of-the-Supernatural-by-Mary-E-Wilkins-Freeman.pdf

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