Malicious PDF — malware analysis report

Static analysis result for SHA-256 f739b2d000e77aca…

MALICIOUS

PDF

16.9 KB Created: 2019-05-02 17:28:07 +01:00 Authoring application: mPDF 5.7
MD5: 528e4322c7832f596235e099b7a2280a SHA-1: 7b3719797c8611a9c28a284a1f50c6eae7f85716 SHA-256: f739b2d000e77acad8dc59da96da585b9f2709d5e9e7ab12aa3a75e5f0a11de5
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a heuristic firing for a large number of external PDF links, indicating a link farm. The document body, though heavily obfuscated, contains numerous URLs pointing to the same domain, 'cefasfese.4pu.com'. This suggests the primary purpose is to redirect users to potentially malicious content hosted on this domain, likely for phishing or malware distribution.

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/3736737737738735/Dearest-Stepbrother-Double-Trouble-1-by-Olivia-Hawthorne.pdf
    • http://cefasfese.4pu.com/6735734736733/Snowed-In-by-Rachel-Hawthorne.pdf
    • http://cefasfese.4pu.com/1730739738731738/Trust-Me-First-Kisses-1-by-Rachel-Hawthorne.pdf
    • http://cefasfese.4pu.com/1730731731731733/Thrill-Ride-by-Rachel-Hawthorne.pdf
    • http://cefasfese.4pu.com/1731734733737736735/Nick-amp-the-Nerd-by-Rachel-Hawthorne.pdf
    • http://cefasfese.4pu.com/3731739734730733/The-Boyfriend-League-by-Rachel-Hawthorne.pdf
    • http://cefasfese.4pu.com/6737731733736/The-Boyfriend-League-by-Rachel-Hawthorne.pdf
    • http://cefasfese.4pu.com/3736738730736/Moonlight-Dark-Guardian-1-by-Rachel-Hawthorne.pdf
    • http://cefasfese.4pu.com/6730735737/Dot-Journaling-A-Practical-Guide-How-to-Start-and-Keep-the-Planner-To-Do-List-and-Diary-That-ll-Actually-Help-You-Get-Your-Life-Together-by-Rachel-Wilkerson-Miller.pdf
    • http://cefasfese.4pu.com/1734735733731738/The-Trouble-With-Valentine-s-Day-Chinooks-Hockey-Team-3-by-Rachel-Gibson.pdf
    • http://cefasfese.4pu.com/2731737731734736/The-Trouble-With-Valentine-s-Day-Daisy-s-Back-In-Town-by-Rachel-Gibson.pdf
    • http://cefasfese.4pu.com/7736735735736735/Hawthorne-s-Son-The-Life-and-Literary-Career-of-Julian-Hawthorne-by-Maurice-Bassan.pdf
    • http://cefasfese.4pu.com/6732738732737737/Start-Love-Repeat-How-to-Stay-in-Love-with-Your-Entrepreneur-in-a-Crazy-Start-up-World-by-Dorcas-Cheng-Tozun.pdf
    • http://cefasfese.4pu.com/4731733731733736/Trouble-in-Paradise-Trouble-Katie-amp-Tyler-s-Story-2-by-Emme-Rollins.pdf
    • http://cefasfese.4pu.com/8737731733739734/The-scarlet-letter-Nathaniel-Hawthorne-by-Nathaniel-Hawthorne.pdf
    • http://cefasfese.4pu.com/8737736730731733/The-Scarlet-Letter-by-Nathaniel-Hawthorne-by-Nathaniel-Hawthorne.pdf
    • http://cefasfese.4pu.com/2730739736737736/Making-Trouble-Trouble-Rob-amp-Sabrina-s-Story-3-by-Emme-Rollins.pdf
    • http://cefasfese.4pu.com/1734737737/Trouble-Is-a-Friend-of-Mine-Trouble-1-by-Stephanie-Tromly.pdf
    • http://cefasfese.4pu.com/3734737736733734/Chasing-Trouble-Texas-Trouble-7-by-Becky-McGraw.pdf
    • http://cefasfese.4pu.com/1731733736736736738/Heap-of-Trouble-Trouble-Tennessee-2-by-Natalie-Acres.pdf
    • http://cefasfese.4pu.com/67307357

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