Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0201ea7f66e7190…

MALICIOUS

PDF

13.2 KB
MD5: 6bfb833d00137c34127d7113c202aa79 SHA-1: e55ed8bfd6481429996efb597d6935a062a5b519 SHA-256: c0201ea7f66e7190b5d498b793464808347f3e1aa4a3c34bccfb9d5793cb7bcc
120 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1059.001 PowerShell

The file is identified as a malicious PDF dropper by ClamAV, indicating it's designed to deliver other malware. The embedded artifact 'font_00_cff_off00000458.bin' and the ClamAV detection 'Win.Exploit.Jailbreak-1' suggest the exploitation of a PDF vulnerability. The primary function appears to be downloading and executing a secondary payload, as indicated by the 'Pdf.Dropper.Agent' signature.

Heuristics 2

  • ClamAV: Pdf.Dropper.Agent-5985519-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-5985519-0
  • ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV
    ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_cff_off00000458.bin
afb4c8cc9074d20953bf66c2490885e48cbbbd8995b78bc17cce441a2210dd5b		 pdf-font-stream PDF embedded font (cff) at offset 0x458 40077 bytes
Detection
ClamAV: Win.Exploit.Jailbreak-1
Obfuscation or payload: unlikely

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