Malicious PDF — malware analysis report

Static analysis result for SHA-256 65a81bd35cfd91af…

MALICIOUS

PDF

24.1 KB
MD5: dcb7e418626dcb824ec2fa6492662401 SHA-1: d4c6d8d9dc77eb52be8520b8ca0abdd1994a6b2c SHA-256: 65a81bd35cfd91afc1d44ee0fe13cf28182eb210d467bb7c62fa0220bbe2094c
160 Risk Score

Malware Insights

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

The sample is a PDF file identified as malicious by multiple heuristics, including a critical detection for the CVE-2010-0188 exploit targeting Adobe Reader's XFA forms. The embedded URL, while seemingly benign, is present within the document structure. The exploit's nature suggests it's designed to download and execute a secondary payload, aligning with common attack patterns for PDF-based malware.

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/

Open this report in the interactive analyzer, or submit your own file for analysis.