Malicious PDF — malware analysis report

Static analysis result for SHA-256 c4b0e269c27f77dd…

MALICIOUS

PDF

24.2 KB
MD5: 1acffd150646c3439e34be6f7494aa83 SHA-1: 1f393f3662f0710dc1a66636ba3731245dacdd10 SHA-256: c4b0e269c27f77ddc8df8af2d0b67589e7b0e6ad4fa173ae7858975b2f9968f1
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF document that contains an XFA form, which is a known vector for exploiting Adobe Reader vulnerabilities. Specifically, the CVE-2010-0188 exploit was detected, targeting a vulnerability in LibTIFF processing within XFA. This exploit allows for arbitrary code execution, indicating the document's purpose is to compromise the user's system. The embedded URL is likely related to the XFA template but does not appear to be a direct payload delivery mechanism.

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/