Malicious PDF — malware analysis report

Static analysis result for SHA-256 562622eee23eab26…

MALICIOUS

PDF

24.1 KB
MD5: ac49f0e0f14586d587b2698b727fec82 SHA-1: e4e92c934d4efb60e95675062a523420c1f4adcc SHA-256: 562622eee23eab26011d9b08b6f6bfc9c30cf1d5cbaf966a66c6161a73925593
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.002 Phishing: Spearphishing Attachment

The sample is a PDF file that contains an XFA form, which is a known vector for exploitation. Static analysis identified a critical heuristic firing for CVE-2010-0188, indicating exploitation of a vulnerability in Adobe Reader's LibTIFF component via an XFA payload. This exploit allows for arbitrary code execution on the victim's machine. The embedded URL, while not directly malicious in reputation, is part of the XFA template structure.

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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