Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5802e97c7d86353…

MALICIOUS

PDF

20.1 KB
MD5: 9fea6a2eb2a7f8adf97520440344533e SHA-1: 4962a9152ef58026737b7712c2a545237d311117 SHA-256: b5802e97c7d8635359ab64a2d7eaef6f4bbd0eb4ff069a3cfcbef0056d6d5d89
130 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF document that contains an XFA form and triggers the CVE-2010-0188 exploit, which is known to target Adobe Reader. This exploit allows for arbitrary code execution. The embedded URL is likely related to the XFA template, but its specific purpose is unclear without further analysis.

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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