Malicious PDF — malware analysis report

Static analysis result for SHA-256 a762c307ede8cc82…

MALICIOUS

PDF

24.1 KB
MD5: dbb750b98bfe0a5481cfea6f79e70ac4 SHA-1: 533c913467c54159906c5ecdd02a22a2a9e666a1 SHA-256: a762c307ede8cc827113e17e976da2f5ec8b495b07df2ad08bad65af18635dcc
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.004 Command and Scripting Interpreter: PowerShell

The PDF file contains an XFA form that exploits CVE-2010-0188, a known vulnerability in Adobe Reader. The embedded XFA payload is decoded from a raw stream, indicating an attempt to execute arbitrary code. The presence of an embedded URL, though seemingly benign, is often used in conjunction with such exploits to download further malicious content. The document body contains obfuscated JavaScript, likely part of the exploit chain.

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/