Malicious PDF — malware analysis report

Static analysis result for SHA-256 a5db99489bbf7e7c…

MALICIOUS

PDF

24.1 KB
MD5: dfff45c7c83314c779a4398bda93bc8f SHA-1: e6337a1dc75af950d4fb129136f645b73d6cd588 SHA-256: a5db99489bbf7e7c43aac73b16b8a67020adb29c95ccdf7e9ac393cc2618aec6
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that contains an XFA form, which is a known vector for exploiting vulnerabilities. Static analysis identified a critical heuristic match for CVE-2010-0188, indicating exploitation of a LibTIFF vulnerability within Adobe Reader's XFA processing. This exploit is designed to achieve arbitrary code execution on the victim's machine. The embedded URL, while not directly malicious in this context, is part of the XFA template structure.

Heuristics 4

  • 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
  • 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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