Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae7b3e1f79a2def2…

MALICIOUS

PDF

24.0 KB
MD5: 7db1b4d39472fc5c7c58182520cf74bb SHA-1: d79d5d2112ca3c61c0f1d014a28e5975708f0a91 SHA-256: ae7b3e1f79a2def2abc95932923cee9d1727ece75b65c2d93f54aae8fee7a37d
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.004 Command and Scripting Interpreter: PowerShell

The critical heuristic firings indicate the sample exploits CVE-2010-0188, a vulnerability in Adobe Reader's handling of XFA forms and LibTIFF. This exploit is designed to execute arbitrary code. The embedded URL, while seemingly benign, is likely part of the exploit chain for delivering the secondary payload. The ClamAV detection further confirms the malicious nature of the file.

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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