Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ab790c408154a0e…

MALICIOUS

PDF

17.6 KB Created: 2019-05-03 06:09:01 +01:00 Authoring application: mPDF 5.7
MD5: 0e4bbd33dc20ce81413c51962245aceb SHA-1: a396670df1824c106b7e1a2df0e9b03b1d9c732b SHA-256: 7ab790c408154a0ee962a8e2d5658218b6468466bbb70d101757a14278c47758
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, forming a link farm. The heuristic 'PDF_SEO_LINK_FARM' indicates that these links are likely intended to direct users to download other PDF files, potentially malicious ones. The ML classifier also flagged the document as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9931

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/3731733737735737/Princeless-Vol-2-Get-Over-Yourself-by-Jeremy-Whitley.pdf
    • http://cefasfese.4pu.com/4736732737735732/PrinceLess-2-by-Jeremy-Whitley.pdf
    • http://cefasfese.4pu.com/3734734738739739/Princeless-Vol-3-The-Pirate-Princess-by-Jeremy-Whitley.pdf
    • http://cefasfese.4pu.com/3734731737734730/Princeless-Raven-the-Pirate-Princess-Book-1-Captain-Raven-and-the-All-Girl-Pirate-Crew-by-Jeremy-Whitley.pdf
    • http://cefasfese.4pu.com/7734739734738730/The-Unstoppable-Wasp-7-by-Jeremy-Whitley.pdf
    • http://cefasfese.4pu.com/7734739734737737/The-Unstoppable-Wasp-6-by-Jeremy-Whitley.pdf
    • http://cefasfese.4pu.com/7734739734732732/The-Unstoppable-Wasp-1-by-Jeremy-Whitley.pdf
    • http://cefasfese.4pu.com/7734739734738737/The-Unstoppable-Wasp-G-I-R-L-Power-by-Jeremy-Whitley.pdf
    • http://cefasfese.4pu.com/7734739734732739/The-Unstoppable-Wasp-Vol-2-Agents-of-G-I-R-L-by-Jeremy-Whitley.pdf
    • http://cefasfese.4pu.com/7734739736736731/The-Unstoppable-Wasp-2017-Issues-8-Book-Series-by-Jeremy-Whitley.pdf
    • http://cefasfese.4pu.com/3731733731730733/Jeremy-James-oder-Elefanten-sitzen-nicht-auf-Autos-Adventures-with-Jeremy-James-1-by-David-Henry-Wilson.pdf
    • http://cefasfese.4pu.com/7730739738732738/The-Whole-Works-of-the-Right-Rev-Jeremy-Taylor-Worthy-Communicant-Supplement-of-Sermons-Collection-of-Offices-by-Jeremy-Taylor.pdf
    • http://cefasfese.4pu.com/1731733734737730730/The-Works-Of-Jeremy-Bentham-Published-Under-The-Superintendence-Of-His-Executor-John-Bowring-Volume-2-by-Jeremy-Bentham.pdf
    • http://cefasfese.4pu.com/1735734738732730/Warday-by-Whitley-Strieber.pdf
    • http://cefasfese.4pu.com/6739739736732/Nature-s-End-by-Whitley-Strieber.pdf
    • http://cefasfese.4pu.com/1731738734739735/Natures-End-by-Whitley-Strieber.pdf
    • http://cefasfese.4pu.com/3732738734735737/The-Wolfen-by-Whitley-Strieber.pdf
    • http://cefasfese.4pu.com/1730734733733736/The-Wolfen-by-Whitley-Strieber.pdf
    • http://cefasfese.4pu.com/4736732730731736/Artistic-Endeavor-by-Whitley-Gray.pdf
    • http://cefasfese.4pu.com/1733735736738733/2012-The-War-For-Souls-by-Whitley-Strieber.pdf

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