Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2680ccba70f0eb7…

MALICIOUS

PDF

24.0 KB
MD5: 40ea681062377cd6fdb156930e0946d2 SHA-1: 541ac24ad35fc8bec583ab5d37384018f551d3a6 SHA-256: d2680ccba70f0eb7dc1ab71c0cb4fd277a241c2e9d0fd8891279c8960f858b01
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment

The critical heuristic firing for CVE-2010-0188 indicates the PDF exploits a known vulnerability in Adobe Reader related to XFA forms. The embedded URL, while seemingly benign, is part of the exploit chain. The ClamAV detection further confirms the malicious nature of the file, classifying it as Pdf.Exploit.Agent-36821. The exploit likely leads to the download and execution of a second-stage payload.

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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