Malicious PDF — malware analysis report

Static analysis result for SHA-256 52b28e4e5a1610b5…

MALICIOUS

PDF

24.1 KB
MD5: 62f0439d2624699e9a5e8a669607ed83 SHA-1: 009166362e431306d582782b274d134c751e6088 SHA-256: 52b28e4e5a1610b5638be5fd0e7e5e0ab430c9eda93aaabf65713b054a5e7a8b
130 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that leverages the CVE-2010-0188 vulnerability, a known exploit targeting Adobe Reader's handling of XFA forms. The heuristic firings confirm the presence of an XFA form and the specific exploit. ClamAV also detected it as malicious. The embedded URL, while not directly malicious in this context, is part of the XFA template structure.

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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