Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9295216dbae6792…

MALICIOUS

PDF

46.6 KB
MD5: a2eef408c676892b8005eb8c81b7fb53 SHA-1: dedb36aaf5795012e370b58266d183bc48a5c765 SHA-256: d9295216dbae6792f34640c9ba4f482aadf7dc574db312c4cb599f903f70c3ff
98 Risk Score

Malware Insights

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

The file is identified as a malicious PDF by ML classifiers and ClamAV, specifically flagged as Pdf.Exploit.Dropped-78. Static analysis indicates the presence of an XFA form, a common vector for PDF exploits. The embedded URL, while seemingly benign, is likely part of the exploit chain. The PDF structure and exploit detection suggest it's designed to download and execute a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Exploit.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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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