Malicious PDF — malware analysis report

Static analysis result for SHA-256 4a0aaeb7c7896dcf…

MALICIOUS

PDF

24.1 KB
MD5: 140589e30675a37106d02fe7a0c94736 SHA-1: 1d4f0cba4c2e422c0935c660de28ebd8ffac90df SHA-256: 4a0aaeb7c7896dcf74864b33acf8b682aba5bf0674de74c02f3d40c8fb117084
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms. This exploit allows for arbitrary code execution. The embedded URL, while not directly malicious, is associated with XFA templates, reinforcing the exploit vector. No scripts were extracted, but the critical heuristic firings strongly indicate a client-side exploit.

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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