Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a42f5de01e9ae47…

MALICIOUS

PDF

24.2 KB
MD5: 574a704343699388fe043c6261136f86 SHA-1: a04d31f717cf95f4d012012d21b3728fca560bee SHA-256: 8a42f5de01e9ae47bab974605d72e16e469bb742b5a6517a4d5f796451783b89
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 vulnerabilities. Static analysis identified a critical heuristic match for CVE-2010-0188, an exploit targeting Adobe Reader's LibTIFF component. This exploit is likely used to achieve arbitrary code execution. The embedded URL, while not directly malicious in reputation, is associated with XFA templates and may be used in 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/

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