Malicious PDF — malware analysis report

Static analysis result for SHA-256 373b506e269ae3bc…

MALICIOUS

PDF

16.5 KB Created: 2020-03-18 22:01:09 +00:00 Authoring application: mPDF 5.7
MD5: 0a7f64455006f5a37e9cb5a857b0ae01 SHA-1: 46f830a73fea77edf84463b7b67fa8cd50621d1e SHA-256: 373b506e269ae3bc085ccf58d788281dc580ea772aa9cb79e1305125914277b5
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier and contains a large number of embedded URLs, indicating a link farm designed to redirect users to malicious content. The primary attack pattern involves leveraging these URLs for phishing or malware distribution. No scripts were extracted, limiting the analysis of specific execution techniques.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9811

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://tikytsesapdf.myhome.cx/378c278c978c078c178c0/A-Swan-in-Siam-by-P-J-Schnyder.pdf
    • http://tikytsesapdf.myhome.cx/378c078c278c578c478c0/Siam-Storm-A-Thailand-Adventure-Siam-Storm-1-by-Robert-A-Webster.pdf
    • http://tikytsesapdf.myhome.cx/478c478c378c178c878c1/A-Gift-for-Boggle-by-P-J-Schnyder.pdf
    • http://tikytsesapdf.myhome.cx/578c078c578c478c578c8/Dark-Swan-Bundle-Storm-Born-Thorn-Queen-Iron-Crowned-amp-Shadow-Heir-Dark-Swan-1-4-by-Richelle-Mead.pdf
    • http://tikytsesapdf.myhome.cx/478c978c778c378c478c5/Survive-to-Dawn-London-Undead-3-by-P-J-Schnyder.pdf
    • http://tikytsesapdf.myhome.cx/178c278c578c378c178c2/Black-Swan-Collected-Tales-Books-4-6-Knights-of-Black-Swan-4-6-by-Victoria-Danann.pdf
    • http://tikytsesapdf.myhome.cx/178c078c678c578c878c178c6/Jean-Frederick-Schnyder-Zuger-Baarerstrasse-99-2000-by-Edition-Patrick-Frey.pdf
    • http://tikytsesapdf.myhome.cx/578c878c778c778c078c5/Siam-by-Pierre-Loti.pdf
    • http://tikytsesapdf.myhome.cx/178c078c578c778c378c2/Siam-or-The-Woman-Who-Shot-a-Man-by-Lily-Tuck.pdf
    • http://tikytsesapdf.myhome.cx/778c578c978c178c778c4/Siam-Nights-A-Love-Story-by-J-F-Gump.pdf
    • http://tikytsesapdf.myhome.cx/278c478c078c178c878c1/Anna-and-the-King-of-Siam-by-Margaret-Landon.pdf
    • http://tikytsesapdf.myhome.cx/178c178c378c478c178c078c2/The-Kingdom-and-People-of-Siam---Volume-1-by-John-Bowring.pdf
    • http://tikytsesapdf.myhome.cx/978c978c578c478c778c6/Corpus-of-a-Siam-Mosquito-by-Steven-David-Justin-Sills.pdf
    • http://tikytsesapdf.myhome.cx/178c778c278c278c878c1/Dr-Stanton-by-T-L-Swan.pdf
    • http://tikytsesapdf.myhome.cx/378c278c478c978c478c3/Red-Swan-by-P-T-Deutermann.pdf
    • http://tikytsesapdf.myhome.cx/178c178c678c378c378c4/Nonu-by-Epi-Swan.pdf
    • http://tikytsesapdf.myhome.cx/178c778c678c778c878c8/The-Swan-Kingdom-by-Zo-Marriott.pdf
    • http://tikytsesapdf.myhome.cx/378c778c478c078c978c6/Before-the-Sun-Hits-by-Arthur-Swan.pdf
    • http://tikytsesapdf.myhome.cx/278c778c778c978c478c4/Leda-and-the-Swan-by-Shmoop.pdf
    • http://tikytsesapdf.myhome.cx/278c978c178c878c678c5/The-Swan-Kingdom-by-Zo-Marriott.pdf
    • http://tikytsesapdf.myhome.cx/578c878c778c778c078c5/Siam-by-Pier

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