Malicious PDF — malware analysis report

Static analysis result for SHA-256 17e9e33d0dffddc1…

MALICIOUS

PDF

19.9 KB Created: 2020-03-20 12:14:32 +00:00 Authoring application: mPDF 5.7
MD5: e52c7fcf5ab140904640475bfc09abb3 SHA-1: 1cbe1d6cf9109d64d2aaf82e2514d5d0fd099bf3 SHA-256: 17e9e33d0dffddc109500dce0786bac1120e2f7f1744ec4afeb234ec950e54fc
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, which is a strong indicator of malicious intent. The ML classifier also flagged this PDF with high confidence. The embedded links likely lead to malicious websites or further stages of an attack. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9922

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://hicsniso.myhome.cx/7e57e52e51e51/Flight-of-the-Old-Dog-Patrick-McLanahan-1-by-Dale-Brown.pdf
    • http://hicsniso.myhome.cx/2e55e54e50e57e55/Starfire-Patrick-McLanahan-19-by-Dale-Brown.pdf
    • http://hicsniso.myhome.cx/2e52e58e56e53e53/Rogue-Forces-Patrick-McLanahan-15-by-Dale-Brown.pdf
    • http://hicsniso.myhome.cx/2e55e53e56e53e57/Air-Battle-Force-Patrick-McLanahan-11-by-Dale-Brown.pdf
    • http://hicsniso.myhome.cx/5e55e58e50e57e58/Iron-Wolf-Patrick-McLanahan-20-by-Dale-Brown.pdf
    • http://hicsniso.myhome.cx/5e55e58e50e57e57/Shadow-Command-Patrick-McLanahan-14-by-Dale-Brown.pdf
    • http://hicsniso.myhome.cx/2e55e53e54e56e56/Hammerheads-Independent-2-by-Dale-Brown.pdf
    • http://hicsniso.myhome.cx/5e50e52e54e54e50/Egypt-Land-of-the-Pharaohs-by-Dale-Brown.pdf
    • http://hicsniso.myhome.cx/2e56e53e59e55e59/Flight-to-Heaven-A-Plane-Crash-a-Lone-Survivor-a-Journey-to-Heaven--And-Back-by-Dale-Black.pdf
    • http://hicsniso.myhome.cx/4e57e58e52e54e54/Sojourner-s-Flight-by-Rand-A-Brown.pdf
    • http://hicsniso.myhome.cx/4e57e50e59e57e55/Flight-of-the-Dodo-by-Peter-Brown.pdf
    • http://hicsniso.myhome.cx/8e50e50e58e56e54/The-Flight-of-Jesse-Leroy-Brown-by-Theodore-Taylor.pdf
    • http://hicsniso.myhome.cx/5e50e57e55e55e56/Deregulating-Desire-Flight-Attendant-Activism-Family-Politics-and-Workplace-Justice-by-Ryan-Patrick-Murphy.pdf
    • http://hicsniso.myhome.cx/5e56e54e52e50e51/Articles-on-Aviation-Accidents-and-Incidents-in-1961-Including-Sabena-Flight-548-United-Airlines-Flight-859-Northwest-Orient-Airlines-Flight-706-1961-Cincinnati-Zantop-DC-4-Crash-Aero-Flight-311-1961-Yuba-City-B-52-Crash-by-Hephaestus-Books.pdf
    • http://hicsniso.myhome.cx/3e55e55e57e53/The-Icewind-Dale-Trilogy-Collector-s-Edition-Forgotten-Realms-Icewind-Dale-1-3-Legend-of-Drizzt-4-6-by-R-A-Salvatore.pdf
    • http://hicsniso.myhome.cx/3e53e57e58e59e58/Flight-12-A-Jess-Kimball-Thriller-Flight-12-Begins-Series-by-Diane-Capri.pdf
    • http://hicsniso.myhome.cx/2e56e53e54e52e59/Nine-Lives-Lily-Dale-Mystery-1---Lily-Dale-5-by-Wendy-Corsi-Staub.pdf
    • http://hicsniso.myhome.cx/3e55e55e57e57e52/Flight-SQA016-The-Flight-Series-1-by-A-E-Radley.pdf
    • http://hicsniso.myhome.cx/4e51e53e59e52e51/Flight-Vol-6-Flight-6-by-Kazu-Kibuishi.pdf
    • http://hicsniso.myhome.cx/3e50e55e51e52e53/Flight-Vol-7-Flight-7-by-Kazu-Kibuishi.pdf

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