Malicious PDF — malware analysis report

Static analysis result for SHA-256 52dd860561580f46…

MALICIOUS

PDF

23.9 KB
MD5: 4dded3314a7aba08fe9cf02bbf188568 SHA-1: 33605ef2379196d545c986a7be7cec3797e9476f SHA-256: 52dd860561580f466f67d2c62104b74826297ee194385e896d7582432763c388
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.001 PowerShell

The sample is a PDF file that contains an XFA form, which is leveraged to exploit CVE-2010-0188 in Adobe Reader. The embedded URL, while seemingly benign, is part of the XFA template structure. The heuristic firings strongly indicate exploitation of this specific CVE, leading to the execution of a malicious payload. The document body contains obfuscated JavaScript-like code, suggesting further malicious actions.

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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