Malicious PDF — malware analysis report

Static analysis result for SHA-256 58f1ac17bf52daba…

MALICIOUS

PDF

24.1 KB
MD5: 9bb170605679cbbd19aac041907d7903 SHA-1: fcac1db536f9043029f85bdc249b5449027c5369 SHA-256: 58f1ac17bf52daba14febc265facc5c25e311cbc7aed44495c6d5905df569ddb
128 Risk Score

Malware Insights

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

The critical heuristic firing for CVE-2010-0188 indicates that this PDF document exploits a vulnerability in Adobe Reader's LibTIFF component to achieve code execution. The presence of XFA form elements further supports this. While the document body contains obfuscated JavaScript-like code, its exact function is not fully discernible, but it is highly probable that it is designed to download and execute a second-stage payload. The embedded URL is likely related to the XFA template but may also be used for malicious purposes.

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/