Malicious PDF — malware analysis report

Static analysis result for SHA-256 80a42378bb8da468…

MALICIOUS

PDF

14.3 KB
MD5: 8d31c2e8f9f11a59dbe676ab461314c0 SHA-1: bbc62908814f3b55cc711edf4343388e1c06b456 SHA-256: 80a42378bb8da468acf7f28cb3e2e2afdfcddc5a40526af9ad5369c22f02660b
130 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The sample is a PDF file that contains an XFA form, which is known to be a vector for exploiting vulnerabilities. The critical heuristic firing for CVE-2010-0188 confirms the exploitation of a specific Adobe Reader vulnerability. ClamAV also detected this as Js.Exploit.HTML-30, indicating JavaScript-based exploitation. The embedded URL is likely related to the XFA template, but its reputation is unknown.

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: Js.Exploit.HTML-30 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Js.Exploit.HTML-30
  • 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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