Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f3969480d096b42…

MALICIOUS

PDF

83.7 KB Created: 2018-09-12 21:41:40 -12:00 Authoring application: Microsoft® Word for Office 365
MD5: 7b99f98535e7f01a84748cb40c6e8e03 SHA-1: 8a138c4feb2193ebc411effcf0eea41ea0f9bf43 SHA-256: 2f3969480d096b42fe204376ad993c052b3c045a2f6232f4e621d59f1a0d685b
82 Risk Score

Malware Insights

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

The PDF document uses a lure impersonating a signing service to trick the user into clicking an embedded link. The ClamAV heuristic 'Pdf.Dropper.Agent-7145540-0' indicates this file is a known dropper. The primary malicious IOC is the external URI pointing to hangingphones.info, which is likely used to host a secondary payload.

Heuristics 4

  • ClamAV: Pdf.Dropper.Agent-7145540-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7145540-0
  • Document signing service impersonation lure medium SE_DOCUSIGN_LURE
    Document impersonates DocuSign, Adobe Sign, or a similar signing service in a signing-request context
  • 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://hangingphones.info/asdf/index.php?arynews=percentage
    • https://ci4.googleusercontent.com/proxy/YrbDhpnGLeLblOOAneMjgFO6hajZWchA4yjGSKAJQBz8D3LVnopub61qQH1HefrXOnbgq-tDl9I5o_5o-Qwvhfa2z_VS8W4kXGBAY92HUNXsDlXyzHUTSA=s0-d-e1-ft#https://www.docusign.net/member/Images/email/docComplete-white.png
    • https://hope12345.000webhostapp.com/two/OneDrive/Validation/index1.php
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/pdf/1.3/
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/

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