Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ccb1646fe102ba0…

MALICIOUS

PDF

24.1 KB
MD5: b5553bf1adb98d9d03550030051aa061 SHA-1: 5f7f4101c0098a153b570e5e9e0070dbe188abd5 SHA-256: 2ccb1646fe102ba045ae628b3640d91802262e51ccf7d8fcded156610d5c2407
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The critical heuristic firings indicate exploitation of CVE-2010-0188 via an XFA form within the PDF document. This exploit is known to lead to arbitrary code execution. The embedded URL, while not directly malicious in reputation, is part of the XFA template structure, suggesting it's related to the exploit mechanism. No scripts were extracted from this sample.

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/