Malicious PDF — malware analysis report

Static analysis result for SHA-256 169f788619b87a9f…

MALICIOUS

PDF

3.8 KB
MD5: 29184c6329f3e762def0facc4f9f680b SHA-1: b4821b964ed8d7bd31f53d8457076db1625220e8 SHA-256: 169f788619b87a9f05d4ae0e705094c8929aa31d2b7ac060da38e833fdabb1d9
140 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.003 Windows Command Shell

This PDF file was flagged as malicious by multiple heuristics, including a critical ClamAV detection for Win.Trojan.Exploit-79. It contains a dangerous URI that attempts to execute a command interpreter. The command attempts to download a file named 'sr.exe' from 'ftp.mbit.ru' using FTP and then execute it.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 4

  • ClamAV: Win.Trojan.Exploit-79 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Exploit-79
  • PDF URI references command interpreter path high PDF_DANGEROUS_URI_COMMAND
    PDF contains a /URI action whose target uses a mailto/path traversal shape and references a command interpreter or scripting host. This is not a normal web link and matches legacy PDF command execution/dropper lures.
  • External URI low PDF_URI
    PDF contains an external URL action
  • 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.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/xap/1.0/
    • http://purl.org/dc/elements/1.1/

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