Malicious PDF — malware analysis report

Static analysis result for SHA-256 92ae93938a3f931b…

MALICIOUS

PDF

24.1 KB
MD5: 5f9be4740fa52be7dd414b52ea114e84 SHA-1: 585df278f680cf1649ce91cbb3dee1131a7d4911 SHA-256: 92ae93938a3f931bc003ce2480521b1658da3574875bf3c158b3b6b2ef2eba51
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1059 Command and Scripting Interpreter

The sample is a PDF document identified as malicious by ClamAV, specifically flagged for exploiting CVE-2010-0188 via XFA forms. The embedded XFA script contains obfuscated JavaScript that appears to be constructing a URL and potentially executing it. The primary attack vector is the exploitation of a known Adobe Reader vulnerability to achieve arbitrary 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.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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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