Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f7c2cacdd1bf259…

MALICIOUS

PDF

24.2 KB
MD5: 351c9c0f8d4f95fb43437a7a87dffdc2 SHA-1: 4b9416f4ded81b19461b6f5e377011bdbac33d83 SHA-256: 1f7c2cacdd1bf259c10676aa1c2304938bd0f3c83e0006d010a3e947f5cff5c7
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that contains an XFA form, which is a known vector for exploiting Adobe Reader vulnerabilities. Specifically, the 'CVE_2010_0188' heuristic indicates exploitation of LibTIFF within XFA, leading to the execution of a malicious payload. ClamAV also detected this file as 'Pdf.Exploit.Agent-36821'. The embedded URL is likely related to the XFA template but does not appear to be a direct download link for the payload.

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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