Malicious PDF — malware analysis report

Static analysis result for SHA-256 85aa033dff918319…

MALICIOUS

PDF

24.1 KB
MD5: 2297f4ac0e442a0f9bf210e9d7213f21 SHA-1: 78fce7ef8f33cc53b53a760ca8f813058f75cc99 SHA-256: 85aa033dff9183192aeffa516c2899512b50771d563e60cde453cb098d0636be
128 Risk Score

Malware Insights

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

The sample is a PDF file that exploits the CVE-2010-0188 vulnerability in Adobe Reader's LibTIFF component via XFA forms. This exploit is designed to execute arbitrary code, indicated by the critical heuristic firings. The embedded URL is likely related to the XFA template but may also serve as a download source for a secondary payload. No scripts were extracted, but the exploit's nature suggests a downloader or dropper functionality.

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/