Malicious PDF — malware analysis report

Static analysis result for SHA-256 a271a206f6c45039…

MALICIOUS

PDF

24.1 KB
MD5: 8af55b3667dd85961bf13d6a0748a32b SHA-1: 3573d4d4c211bd0665b2c19f717f75871c9d83e4 SHA-256: a271a206f6c4503914e6cf9729cfd60ca5581382a9e5f19d7941b54e625c555e
130 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF document that leverages the CVE-2010-0188 vulnerability, specifically targeting Adobe Reader's XFA form processing. This exploit allows for the execution of arbitrary code. The embedded URL, while not directly malicious in reputation, is associated with XFA templates, further supporting the exploit vector.

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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