Malicious Office (OOXML) / .DOC — malware analysis report

Static analysis result for SHA-256 f46c4a28cb61ab22…

MALICIOUS

Office (OOXML) / .DOC

141.5 KB Created: 2025-04-07 09:15:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: ed25953c8df51b452f60603be806516e SHA-1: 0186759876300a77db503970c67cb5258cf2283b SHA-256: f46c4a28cb61ab228688b6a5c17831e505ef29011edadecce8579f601c989352
60 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The OOXML_REMOTE_TEMPLATE and OOXML_EXTERNAL_REL heuristics indicate that this document is configured to load external content from a remote URL. This is a common technique for delivering malicious payloads. The embedded URL https://cpbr.link/efz2Px?&trachoma=frantic&grass is highly suspicious and likely serves as the initial download source for a secondary stage. No scripts were extracted, but the remote template injection is sufficient to classify this as malicious.

Heuristics 3

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (https://cpbr.link/efz2Px?&trachoma=frantic&grass) — a common remote-template-injection vector used by Hancitor, Emotet and many phishing campaigns. Word can fetch and apply the remote template; macros in that template may execute depending on Office policy and trust state.
  • External relationship medium OOXML_EXTERNAL_REL
    External target in word/_rels/settings.xml.rels: https://cpbr.link/efz2Px?&trachoma=frantic&grass
  • 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://schemas.openxmlformats.org/markup-compatibility/2006
    • http://schemas.openxmlformats.org/officeDocument/2006/relationships
    • http://schemas.openxmlformats.org/officeDocument/2006/math
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing
    • http://schemas.openxmlformats.org/wordprocessingml/2006/main
    • http://schemas.microsoft.com/office/word/2006/wordml
    • http://schemas.openxmlformats.org/markup-compatibili

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
emf_00.emf
c78ababf17b11828468d137a5112f8333628421da8548e8a48534e88bc071bd0		 ooxml-emf OOXML EMF part: word/media/image1.emf 236224 bytes

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