Malicious PDF — malware analysis report

Static analysis result for SHA-256 87fa855e3c091c8e…

MALICIOUS

PDF

24.1 KB
MD5: 6cf366f20f9dfa4ab8c46f09e3e380ed SHA-1: 332feb57671a722dbed9f5279c1f42ebff6e4c06 SHA-256: 87fa855e3c091c8ef014b1b1169448f99307fc5c9d18473565e219eaceeb89ed
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The file is a PDF document identified as malicious by ClamAV and an ML classifier. Static analysis indicates it exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms and LibTIFF parsing, to achieve code execution. The embedded URL is likely part of the exploit or a secondary payload delivery mechanism.

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/