Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a307bc290d61f32…

MALICIOUS

PDF

24.2 KB
MD5: 6c5f2eb4e3607d0118104b95f4e59f0c SHA-1: f538a22978d2ff436422e3f97d3b642a1acc1b73 SHA-256: 2a307bc290d61f3235ac8593651ec5d766d1a80d2e69a6c3a414c4fa295d730b
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains an XFA form and exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to LibTIFF processing within XFA forms. ClamAV also detected it as Js.Exploit.HTML-30, indicating embedded JavaScript exploitation. The embedded URL is likely part of the exploit chain. The script's intent is to download and execute a second-stage payload.

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: Js.Exploit.HTML-30 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Js.Exploit.HTML-30
  • 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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