Malicious PDF — malware analysis report

Static analysis result for SHA-256 f635ed540863d076…

MALICIOUS

PDF

92.7 KB
MD5: 05dd87997a2c59ec0dd5e4b631dc8a6e SHA-1: 306c16f7a76787fb8fdb65e40a2d6ebf09480df4 SHA-256: f635ed540863d0766ebd8e5e15c66fd251348bdd318c5ff23da93a8c908efb9f
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.001 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. This exploit allows for arbitrary code execution. The embedded URL is likely used to download a secondary payload. The document body appears to be obfuscated JavaScript or similar scripting language, further indicating malicious intent.

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.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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/