Malicious PDF — malware analysis report

Static analysis result for SHA-256 67465f19d5a4853e…

MALICIOUS

PDF

15.3 KB Created: 2019-11-09 22:48:45 +00:00 Authoring application: mPDF 5.7
MD5: 4091407e158815230859801ad42fa8da SHA-1: e12a6c3311d0222ddbdde20725b455c9ba058e63 SHA-256: 67465f19d5a4853e4d6ab0117db16e4fc6416c1b7a71b24009bd97a5ae08b380
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm. This suggests the document's primary purpose is to redirect users to external content, potentially for SEO manipulation or to distribute other malicious files. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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/2730734734739737/No-Other-Duke-Will-Do-Windham-Brides-3-by-Grace-Burrowes.pdf
    • http://cefasfese.4pu.com/5733737733731/The-Heir-Duke-s-Obsession-1-Windham-1-by-Grace-Burrowes.pdf
    • http://cefasfese.4pu.com/2734733732731738/Lady-Maggie-s-Secret-Scandal-The-Duke-s-Daughters-2-Windham-5-by-Grace-Burrowes.pdf
    • http://cefasfese.4pu.com/4734732732733732/Jonathan-and-Amy-Windham-8-6-by-Grace-Burrowes.pdf
    • http://cefasfese.4pu.com/2730734735732732/The-Duke-s-Bridle-Path-by-Grace-Burrowes.pdf
    • http://cefasfese.4pu.com/4737738735732731/Dancing-in-the-Duke-s-Arms-by-Grace-Burrowes.pdf
    • http://cefasfese.4pu.com/2730734736735736/How-to-Find-a-Duke-in-Ten-Days-by-Grace-Burrowes.pdf
    • http://cefasfese.4pu.com/2739739733734739/Once-Upon-a-Tartan-MacGregors-2-by-Grace-Burrowes.pdf
    • http://cefasfese.4pu.com/4736734739730731/Thomas-Jaded-Gentlemen-1-by-Grace-Burrowes.pdf
    • http://cefasfese.4pu.com/3734739731736733/Jack-Jaded-Gentlemen-4-by-Grace-Burrowes.pdf
    • http://cefasfese.4pu.com/4733733737738734/A-Kiss-for-Luck-Sweetest-Kisses-0-6-by-Grace-Burrowes.pdf
    • http://cefasfese.4pu.com/3730730730733738/Must-Love-Scotland-Highland-Holiday-3-4-by-Grace-Burrowes.pdf
    • http://cefasfese.4pu.com/1730732737736738730/Elias-in-Love-Trouble-Wears-Tartan-2-by-Grace-Burrowes.pdf
    • http://cefasfese.4pu.com/4734732733738732/Trenton-Lord-of-Loss-Lonely-Lords-10-by-Grace-Burrowes.pdf
    • http://cefasfese.4pu.com/3734731737736738/Gabriel-Lord-of-Regrets-Lonely-Lords-5-by-Grace-Burrowes.pdf
    • http://cefasfese.4pu.com/1731734734734/Kiss-and-Tell-Sweetest-Kisses-0-5-Highland-Holiday-1-by-Grace-Burrowes.pdf
    • http://cefasfese.4pu.com/1731739730732/Duke-Most-Wanted-Heiress-Brides-3-by-Celeste-Bradley.pdf
    • http://cefasfese.4pu.com/1731737739739733/The-Duke-Next-Door-Heiress-Brides-2-by-Celeste-Bradley.pdf
    • http://cefasfese.4pu.com/3738734736737737/The-Duke-Who-Knew-Too-Much-Heart-of-Enquiry-1-by-Grace-Callaway.pdf
    • http://cefasfese.4pu.com/9733733735733734/Sixteen-Brides-by-Stephanie-Grace-Whitson.pdf

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