Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa8f3a4eaee3291d…

MALICIOUS

PDF

24.2 KB
MD5: cfa271b55c63c340def5d798d155573f SHA-1: 9e8069986e01eace787491114a9a1598aa7b82eb SHA-256: aa8f3a4eaee3291d2cbe6d0b274791c6f91d4648a0341d42b4c25c1f9f1a852b
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Phishing: Spearphishing Attachment

The file is a PDF document that leverages an XFA form to exploit CVE-2010-0188 in Adobe Reader. This exploit is designed to execute arbitrary code, likely leading to the download and execution of a secondary malicious payload. The embedded URL, while seemingly benign, is part of the XFA structure and could be used in conjunction with the 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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