Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d3bf14af5ca194b…

MALICIOUS

PDF

14.2 KB Created: 2019-05-03 22:36:51 +01:00 Authoring application: mPDF 5.7
MD5: d8c0cde5360d1367c06330f216118f73 SHA-1: 986beb11d714798c420cbdcd91bb62b821966f8c SHA-256: 5d3bf14af5ca194bdf499976c12cfdf4419eb02c2e3af7c9493896d0e9509c7c
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. While the URLs themselves are marked as benign, the sheer volume and the heuristic firing suggest an attempt to manipulate search engine results or redirect users to potentially malicious content. No scripts were extracted, but the presence of embedded URLs within a PDF is a common tactic for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9798

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/9733737739737732/Ride-or-Die-2-by-Cee-Cee-Riley.pdf
    • http://cefasfese.4pu.com/4733731732730732/Ride-or-Die-1-A-Devil-s-Highwaymen-MC-Novel-by-Cee-Cee-Riley.pdf
    • http://cefasfese.4pu.com/4735736731737734/Ride-Hard-Ride-Fast-Seven-Devils-MC-1-by-Candice-Owen.pdf
    • http://cefasfese.4pu.com/4735736733731732/Hard-Ride-Ready-to-Ride-4-by-Opal-Carew.pdf
    • http://cefasfese.4pu.com/3739732737732736/Forever-Ride-Hellions-Ride-2-by-Chelsea-Camaron.pdf
    • http://cefasfese.4pu.com/3739739732735738/Simple-Ride-Hellions-Ride-6-by-Chelsea-Camaron.pdf
    • http://cefasfese.4pu.com/4738736733736730/Wild-Ride-Let-it-Ride-2-by-Cynthia-Rayne.pdf
    • http://cefasfese.4pu.com/4736737737738738/Ride-To-Restoration-Ride-2-by-D-J-Wilson.pdf
    • http://cefasfese.4pu.com/4736731735731731/Ride-Em-Again-Cowboy-Ride-Em-2-by-J-P-Bowie.pdf
    • http://cefasfese.4pu.com/4736738730739736/Ride-to-Redemption-Ride-1-by-D-J-Wilson.pdf
    • http://cefasfese.4pu.com/3739734730733730/Ride-Em-Cowboy-Ride-Em-1-by-J-P-Bowie.pdf
    • http://cefasfese.4pu.com/2730731731731733/Riley-Parra-Season-Three-Riley-Parra-3-by-Geonn-Cannon.pdf
    • http://cefasfese.4pu.com/2730733737739731/Maximum-Ride-Vol-10-Maximum-Ride-The-Manga-10-by-James-Patterson.pdf
    • http://cefasfese.4pu.com/3734736734739/Maximum-Ride-Vol-1-Maximum-Ride-The-Manga-1-by-James-Patterson.pdf
    • http://cefasfese.4pu.com/7734731730739/Maximum-Ride-Vol-4-Maximum-Ride-The-Manga-4-by-James-Patterson.pdf
    • http://cefasfese.4pu.com/2730733739733733/Maximum-Ride-Vol-6-Maximum-Ride-The-Manga-6-by-James-Patterson.pdf
    • http://cefasfese.4pu.com/3735738739736735/The-Book-Of-Riley-2-The-Book-of-Riley-2-by-Mark-Tufo.pdf
    • http://cefasfese.4pu.com/1733734737736736/The-Book-of-Riley-1-The-Book-of-Riley-1-by-Mark-Tufo.pdf
    • http://cefasfese.4pu.com/3735739731737739/The-Book-of-Riley-4-The-Book-of-Riley-4-by-Mark-Tufo.pdf
    • http://cefasfese.4pu.com/3735738739736739/The-Book-of-Riley-3-The-Book-of-Riley-3-by-Mark-Tufo.pdf

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