Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e51744254d7e733…

MALICIOUS

PDF

18.3 KB Created: 2019-11-08 01:25:37 +00:00 Authoring application: mPDF 5.7
MD5: 2051badaae08bfe2bd9a876046489040 SHA-1: 20e9fd3072fbd53f079718b59cfeeeb53ce3ffc9 SHA-256: 6e51744254d7e733e30e82b0e6e109d26f3172ef7e01d0d600fab95468fb5077
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 that directs users to external PDF documents. This technique is often used to obscure malicious intent or to distribute further malware. The ML classifier also flagged this PDF as malicious, supporting the assessment of a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/8737738737737733/Nice-Guys-Finish-First---The-Autobiography-of-Monte-Irvin-by-Monte-Irvin.pdf
    • http://cefasfese.4pu.com/6737732737733730/Grof-Monte-Kristo-II-The-Count-Of-Monte-Cristo-part-2-of-3-by-Alexandre-Dumas.pdf
    • http://cefasfese.4pu.com/9730739736732734/Nice-Guys-Finish-Last-Sozialkritik-In-Den-Romanen-T-Coraghessan-Boyles-by-Markus-Schr-der.pdf
    • http://cefasfese.4pu.com/6730736738731735/Le-comte-de-Monte-Cristo-Tome-IV-The-Count-of-Monte-Cristo-part-4-of-4-by-Alexandre-Dumas.pdf
    • http://cefasfese.4pu.com/5738734737737734/La-Cappella-Del-Monte-Tamaro-The-Chapel-Of-Monte-Tamaro-by-Mario-Botta.pdf
    • http://cefasfese.4pu.com/9733733738737733/Advanced-Monte-Carlo-for-Radiation-Physics-Particle-Transport-Simulation-and-Applications-Proceedings-of-the-Monte-Carlo-2000-Conference-Lisbon-23-26-October-2000-by-A-Kling.pdf
    • http://cefasfese.4pu.com/6737732737732732/The-Count-of-Monte-Cristo-Volume-I-of-V-The-Count-of-Monte-Cristo-part-1-of-5-by-Alexandre-Dumas.pdf
    • http://cefasfese.4pu.com/4739731736735735/Staring-at-the-Sun-by-Irvin-D-Yalom.pdf
    • http://cefasfese.4pu.com/8737738737733734/Astrotheology-and-Shamanism-by-Jan-Irvin.pdf
    • http://cefasfese.4pu.com/1730731731737739732/Therapie-als-geschenk-by-Irvin-D-Yalom.pdf
    • http://cefasfese.4pu.com/9733732738734734/Mentiras-no-Div-by-Irvin-D-Yalom.pdf
    • http://cefasfese.4pu.com/6735738734732737/Vingt-Et-Un-Contes-by-Leon-P-Irvin.pdf
    • http://cefasfese.4pu.com/8737738737730732/Burn-Cards-by-Christopher-Irvin.pdf
    • http://cefasfese.4pu.com/9733732738734736/Carrasco-do-Amor-by-Irvin-D-Yalom.pdf
    • http://cefasfese.4pu.com/8737738737733733/Safe-Inside-the-Violence-by-Christopher-Irvin.pdf
    • http://cefasfese.4pu.com/3736732733731738/Every-Day-Gets-a-Little-Closer-A-Twice-Told-Therapy-by-Irvin-D-Yalom.pdf
    • http://cefasfese.4pu.com/5731730739737736/Confederate-Women-by-Bell-Irvin-Wiley.pdf
    • http://cefasfese.4pu.com/3732739734731738/Cyfer-1-0-Cyferverse-1-by-William-Irvin-Lewis.pdf
    • http://cefasfese.4pu.com/8737738737736735/Inpatient-Group-Psychotherapy-by-Irvin-D-Yalom.pdf
    • http://cefasfese.4pu.com/5738736737733/Creatures-of-a-Day-And-Other-Tales-of-Psychotherapy-by-Irvin-D-Yalom.pdf

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