Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed53657b5ee8739c…

MALICIOUS

PDF

20.2 KB
MD5: f74baceb7c9cf723002e07921628d8ba SHA-1: 834f8e0027f42ccc9eec176bd165e65c98ed28af SHA-256: ed53657b5ee8739c0147affe42d2ec65caecd92531d5494711294f93fdbd2e89
130 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 the CVE-2010-0188 vulnerability in Adobe Reader. The heuristic firings and ClamAV detection strongly indicate exploitation of this vulnerability. The embedded URL is likely related to the XFA template and may be used in the exploitation process.

Heuristics 5

  • 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-36826 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36826
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED
    The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PSEOF. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
  • 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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