Malicious PDF — malware analysis report

Static analysis result for SHA-256 28738a66d63ac51e…

MALICIOUS

PDF

14.2 KB Created: 2019-11-08 00:10:23 +00:00 Authoring application: mPDF 5.7
MD5: 7b73e745fcb47b922dbae57e41389324 SHA-1: 2a1690fe7e2c974e0f9b2463326be19a5ef817d0 SHA-256: 28738a66d63ac51e3111673f8e909050051aa1494d22cf549345dd49867fd263
60 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDFs, predominantly hosted on 'cefasfese.4pu.com'. This heuristic firing suggests a link farm or SEO poisoning attempt. While the document body contains these links, no scripts were extracted to indicate further malicious activity. The primary attack pattern appears to be directing users to a potentially malicious or deceptive external resource.

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://cefasfese.4pu.com/4738738734733734/Fearless-Fourteen-Stephanie-Plum-14-by-Janet-Evanovich.pdf
    • http://cefasfese.4pu.com/1734732733734739/Janet-Evanovich-Three-to-Six-Four-Book-Set-Stephanie-Plum-3-6-by-Janet-Evanovich.pdf
    • http://cefasfese.4pu.com/4731732737739735/Plum-Boxed-Set-1-Stephanie-Plum-1-3-by-Janet-Evanovich.pdf
    • http://cefasfese.4pu.com/1734730737736730/Plum-Boxed-Set-3-Stephanie-Plum-7-9-by-Janet-Evanovich.pdf
    • http://cefasfese.4pu.com/4734737738735/Plum-Spooky-Stephanie-Plum-14-5-by-Janet-Evanovich.pdf
    • http://cefasfese.4pu.com/2737732730732735/Ten-Big-Ones-Stephanie-Plum-10-by-Janet-Evanovich.pdf
    • http://cefasfese.4pu.com/2737730731738733/Seven-Up-Stephanie-Plum-7-by-Janet-Evanovich.pdf
    • http://cefasfese.4pu.com/2737730731737739/Hard-Eight-Stephanie-Plum-8-by-Janet-Evanovich.pdf
    • http://cefasfese.4pu.com/1733737731736739/High-Five-Stephanie-Plum-5-by-Janet-Evanovich.pdf
    • http://cefasfese.4pu.com/2737732730732738/To-the-Nines-Stephanie-Plum-9-by-Janet-Evanovich.pdf
    • http://cefasfese.4pu.com/2734736730739739/To-the-Nines-Stephanie-Plum-9-by-Janet-Evanovich.pdf
    • http://cefasfese.4pu.com/4731731730731739/One-for-the-Money-Stephanie-Plum-1-by-Janet-Evanovich.pdf
    • http://cefasfese.4pu.com/1733739732739737/Two-for-the-Dough-Stephanie-Plum-2-by-Janet-Evanovich.pdf
    • http://cefasfese.4pu.com/3735730737736/Three-to-Get-Deadly-Stephanie-Plum-3-by-Janet-Evanovich.pdf
    • http://cefasfese.4pu.com/3735732733732/Four-to-Score-Stephanie-Plum-4-by-Janet-Evanovich.pdf
    • http://cefasfese.4pu.com/4739734732734732/Four-to-Score-Stephanie-Plum-4-by-Janet-Evanovich.pdf
    • http://cefasfese.4pu.com/4739734734738737/Three-To-Get-Deadly-Stephanie-Plum-3-by-Janet-Evanovich.pdf
    • http://cefasfese.4pu.com/1730738730730/Sizzling-Sixteen-Stephanie-Plum-16-by-Janet-Evanovich.pdf
    • http://cefasfese.4pu.com/1731737730735734/Notorious-Nineteen-Stephanie-Plum-19-by-Janet-Evanovich.pdf
    • http://cefasfese.4pu.com/6737737733/Hardcore-Twenty-Four-Stephanie-Plum-24-by-Janet-Evanovich.pdf

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