Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc59b2af94bc9378…

MALICIOUS

PDF

24.0 KB
MD5: 006072a1346dbc287c5a39efc4d1b065 SHA-1: 95cb7e1f9bfd75687503933451d8d3ac514157c8 SHA-256: bc59b2af94bc9378ad4cd6223c326b821be8e8276cc05b1610ccce7dfad2e53d
128 Risk Score

Malware Insights

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

The sample is a PDF document that contains an XFA form and exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to LibTIFF processing within XFA forms. This exploit is designed to execute arbitrary code. The embedded URL, while seemingly benign, is part of the XFA structure and likely related to the exploit delivery mechanism. ClamAV also detected this file as Pdf.Exploit.Dropped-78, further confirming its malicious nature.

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/