Malicious PDF — malware analysis report

Static analysis result for SHA-256 e19f7c3c3e17a4e9…

MALICIOUS

PDF

24.0 KB
MD5: 42bd600f83302a788434466c710be191 SHA-1: acf527f02cc36c4923cd96415f63c1c99fb31a16 SHA-256: e19f7c3c3e17a4e94f894d0e1e8d275fb2ce800fcfd81505c6814b8452734a80
128 Risk Score

Malware Insights

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

The sample is a PDF file that contains an XFA form and exploits CVE-2010-0188, a known vulnerability in Adobe Reader's LibTIFF component. The embedded script, though obfuscated, appears to be JavaScript that attempts to reconstruct a URL and likely download a second-stage payload. The presence of XFA and the specific CVE strongly indicate exploitation for code execution.

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/

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