Malicious PDF — malware analysis report

Static analysis result for SHA-256 050ccc38a4e4c26d…

MALICIOUS

PDF

24.0 KB
MD5: 74bdfe87d2b119eab3fcc8cc4a4fefb4 SHA-1: cde16cbe6501401e6b13319ac89ab8a65226d4cb SHA-256: 050ccc38a4e4c26de5288b3989326f3bb034c8f37b877fbf34e34c56f5a98457
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The file is identified as malicious by multiple heuristics, including a critical detection for CVE-2010-0188, which is an Adobe Reader exploit targeting XFA forms. The ML classifier also strongly flagged the file. The embedded URL, while benign in appearance, is associated with XFA templates and likely serves as a lure or part of the exploit chain. The exploit's nature suggests it's designed to download and execute a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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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