Malicious PDF — malware analysis report

Static analysis result for SHA-256 5a64c81c14dee352…

MALICIOUS

PDF

24.2 KB
MD5: 016d2a6523f3589a3d61fb086fc2c1f0 SHA-1: b034febfbbf73d0d5fb6f906d7dc1c3965ce7746 SHA-256: 5a64c81c14dee352244d1f9451668feb48b9d9fa0e214cd3f6d3eddac01753e0
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The sample is a PDF file identified as malicious by multiple heuristics, including a critical alert for the CVE-2010-0188 Adobe Reader LibTIFF XFA image exploit. This exploit allows for arbitrary code execution, which is often used to download and run additional malware. The presence of an embedded URL, though not directly actionable, suggests a potential command and control or download source.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188
    PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
  • ClamAV: Pdf.Exploit.Agent-36821 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36821
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • 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://www.xfa.org/schema/xfa-template/2.5/

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