Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0335533ccfc81fe…

MALICIOUS

PDF

12.8 KB
MD5: 5c3ef25c93e99c99a4b06001415f2730 SHA-1: b6cd4224ee92c1c0ea3af2fb9b0e5eb1e103eeb2 SHA-256: e0335533ccfc81fee112fab3691b680b4af1f4dea2902fb1d69b2dd8742a60a1
128 Risk Score

Malware Insights

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

The PDF file contains an embedded XFA form which is being exploited via CVE-2010-0188, a known vulnerability in Adobe Reader. ClamAV also detected this as Js.Exploit.HTML-30, indicating JavaScript-based exploitation. The embedded URL is likely part of the exploit chain.

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: Js.Exploit.HTML-30 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Js.Exploit.HTML-30
  • 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/

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