Malicious PDF — malware analysis report

Static analysis result for SHA-256 c30339858f2e794e…

MALICIOUS

PDF

24.1 KB
MD5: 7c7c2319180ee4c3e2a40351255c1e29 SHA-1: 3b827e82ef87d7568ebc7bd3e804be50dbf85543 SHA-256: c30339858f2e794e7cdf429259e5e2f05db05f1c56a2e9e776288c711e88c2cc
128 Risk Score

Malware Insights

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

The PDF file contains an XFA form and triggers the critical heuristic CVE_2010_0188, indicating exploitation of a LibTIFF vulnerability in Adobe Reader. The embedded JavaScript, though obfuscated, appears to be part of the exploit mechanism. The ClamAV detection further confirms its malicious nature. The primary goal is likely to achieve code execution via the exploit, leading to the download of additional malware.

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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