Malicious PDF — malware analysis report

Static analysis result for SHA-256 a31ee6facdc5873c…

MALICIOUS

PDF

24.1 KB
MD5: 7be64553f8f8525d9b22da7a07a69801 SHA-1: 9a4c78efffc248d9537e73b8f86802c05815325b SHA-256: a31ee6facdc5873c843b74dc46e2f9d580a6fa7b63d8215a45a66033469502e6
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File T1566.001 Phishing: Spearphishing Attachment T1204 User Execution

The sample is a PDF document that leverages the CVE-2010-0188 exploit targeting Adobe Reader's XFA functionality. The embedded URL, while seemingly benign, is part of the XFA template structure. The heuristic firings strongly indicate the exploitation of this known vulnerability to deliver a malicious payload, likely leading to further compromise.

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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