Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ff387f01008ffa7…

MALICIOUS

PDF

15.2 KB Created: 2019-06-10 05:09:51 +01:00 Authoring application: mPDF 5.7
MD5: 21e050abd2de7fd601aa755542ca69ab SHA-1: 165588025b6fe53b7f98f6b34d66c65142d6891f SHA-256: 9ff387f01008ffa7478ab76b13dd03a647b90100855c7bd84eab3417a4ec7f0b
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links pointing to external PDFs on the domain 'cefasfese.4pu.com'. This behavior is indicative of a link farm or a phishing lure designed to direct users to potentially malicious content. The ML classifier also flagged this PDF as malicious with high confidence.

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/3739739731733733/Take-Five-by-D-Keith-Mano.pdf
    • http://cefasfese.4pu.com/4732738730736736/Take-Five-by-D-Keith-Mano.pdf
    • http://cefasfese.4pu.com/5734731738735739/Antonio-Recalcati-1959-1999-Mano-a-Mano-27-Novembre-1999-30-Janvier-2000-Villa-Tamaris-by-Antonio-Recalcati.pdf
    • http://cefasfese.4pu.com/7739737737730735/Con-il-cuore-in-mano-by-Mary-Calmes.pdf
    • http://cefasfese.4pu.com/8738733732732736/Si-Cupido-Me-Echase-Una-Mano-by-Joan-Bauer.pdf
    • http://cefasfese.4pu.com/9738739732735738/Henry-Keith-Baron-Keith-of-Kinkel-by-Jesse-Russell.pdf
    • http://cefasfese.4pu.com/1730731739737732739/Geboren-mit-Sand-in-den-Augen-Die-Autobiographie-des-F-hrers-der-Tuareg-Rebellen-by-Mano-Dayak.pdf
    • http://cefasfese.4pu.com/7737731738736733/Il-Ruolo-Della-quot-Mano-Visibile-quot-Dello-Stato-by-Paolo-Volonte.pdf
    • http://cefasfese.4pu.com/1733735739739736/Mildred-Keith-Mildred-Keith-1-by-Martha-Finley.pdf
    • http://cefasfese.4pu.com/6738735738738736/Ceci-N-Est-Pas-Keith-Ceci-N-Est-Pas-Rosmarie-by-Keith-Waldrop.pdf
    • http://cefasfese.4pu.com/7732733733730737/Twice-a-Spy-by-Keith-Thomson.pdf
    • http://cefasfese.4pu.com/3730734738733/Solstice-by-K-W-Keith.pdf
    • http://cefasfese.4pu.com/3733736731737738/Once-A-Spy-by-Keith-Thomson.pdf
    • http://cefasfese.4pu.com/3739730737730/Life-by-Keith-Richards.pdf
    • http://cefasfese.4pu.com/3739730732733739/Life-by-Keith-Richards.pdf
    • http://cefasfese.4pu.com/3730731738733734/Eraser-by-Megan-Keith.pdf
    • http://cefasfese.4pu.com/4731730734733731/Semper-Fi-Do-Or-Die-by-Keith-G-Laufenberg.pdf
    • http://cefasfese.4pu.com/3734737732737734/The-Journey-in-Between-by-Keith-Foskett.pdf
    • http://cefasfese.4pu.com/7736739736734/Randoms-by-Keith-B-Darrell.pdf
    • http://cefasfese.4pu.com/5731737738732732/Design-by-Sally-Keith.pdf

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