Malicious PDF — malware analysis report

Static analysis result for SHA-256 4a8f0315f5f8afae…

MALICIOUS

PDF

23.9 KB
MD5: f0b3e33643fbb16fca5f8a74fd30c486 SHA-1: 1888a99a8f44fed61c8d2ed70b15cc5ccf1ad91f SHA-256: 4a8f0315f5f8afae2a1c9e11f9673d4e29c76e78580a85f418dbd8351ffa53a5
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.002 Phishing: Spearphishing Attachment

The file is a PDF document that contains an embedded XFA form. Static analysis identified a critical heuristic match for CVE-2010-0188, indicating exploitation of a vulnerability in Adobe Reader's LibTIFF component via the XFA payload. This exploit is designed to achieve arbitrary code execution on the victim's machine. The embedded URL is likely related to the XFA template but does not appear to be a direct payload delivery mechanism.

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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