Malicious PDF — malware analysis report

Static analysis result for SHA-256 8809b2394bbcb843…

MALICIOUS

PDF

24.2 KB
MD5: cc0849410c280751321f937266aea259 SHA-1: 6457ce3f9d0f00802c4ae50f195d613739afac06 SHA-256: 8809b2394bbcb8432981bc8f5174729ff5ce461e4352ffee951d00bd3e0dc6ba
130 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The file is a PDF document that contains an XFA form, which is known to be a vector for exploits. Heuristics indicate a critical vulnerability related to CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This suggests the PDF is designed to be opened by a vulnerable version of Adobe Reader, leading to arbitrary code execution. ClamAV also detected it as Pdf.Exploit.Agent-36821.

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-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
  • 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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