Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c1d5d797727a586…

MALICIOUS

PDF

186.6 KB Created: 2016-05-05 09:57:43 +01:00 Authoring application: Microsoft® Word 2016
MD5: df3eb65307e9d2dd8a374dd5c1dfb696 SHA-1: 09c5e09fd0c3f3e9847459fef560d3aa2f12d5a4 SHA-256: 9c1d5d797727a586a3ea144c941d24f0e1c9f3771a9895d7a321e222d1e9199a
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The file is identified as a malicious PDF by ClamAV. It contains an embedded URI pointing to 'https://server42415x.maintenis.com/~k9569275/index.html'. The document body, though heavily obfuscated, contains text fragments suggesting it impersonates a 'USAA SECURITY CENTER', indicating a phishing or social engineering lure. The primary attack pattern involves directing the user to the external URL, which is likely hosting a malicious payload.

Machine Learning

  • Nyx PDF Classifier clean score 0.0032

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-7286389-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7286389-0
  • External URI info 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 https://server42415x.maintenis.com/~k9569275/index.html

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