Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4ad433b9766b47a…

MALICIOUS

PDF

24.1 KB
MD5: 76c07ee93e2d66ae8e83fef8b48df702 SHA-1: 0805401fd9131f4b74f6c5e4ddb8a37b48c804a2 SHA-256: e4ad433b9766b47ad5d28f9c4ceb6000e8b7aebc5323371df84834f447a89692
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1059.001 PowerShell

The sample is a PDF file that utilizes XFA forms and exploits the CVE-2010-0188 vulnerability in Adobe Reader. The embedded script, though obfuscated, appears to be designed to download and execute a second-stage payload. The ClamAV detection further confirms its malicious nature. The embedded URL is likely related to the XFA template but is not directly used for payload delivery in this instance.

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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