Malicious PDF — malware analysis report

Static analysis result for SHA-256 dcd71304dda4fd1b…

MALICIOUS

PDF

24.0 KB
MD5: f3b2a726d83a30399fd450d94e7c024e SHA-1: 66eaca5842165205e4b01965eb53e6b1c640126e SHA-256: dcd71304dda4fd1b192a32a94c7c4ca21b5772d1a0ea72dc0d6c8679fb4c866e
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File T1566.002 Phishing: Spearphishing Attachment

The file is a PDF document that leverages the CVE-2010-0188 exploit targeting Adobe Reader's XFA form processing. This exploit is designed to download and execute a secondary payload. The embedded URL, while seemingly benign, is part of the exploit's mechanism. The critical heuristic firings strongly indicate a malicious exploit attempt.

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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