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

Static analysis result for SHA-256 43335e24c5d9add3…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2022-08-15
MD5: 9fb94b2bcd66e04f2a7bbb2449109ac3 SHA-1: 5ced616a14102878bbef76d8ee89f751e02e33f6 SHA-256: 43335e24c5d9add37ea6946b762142bc621eb24272ed2cb0fb371277b5abc3f1
122 Risk Score

Malware Insights

The file exhibits critical heuristic firings for remote template injection and external relationships, pointing to a malicious OOXML document. The embedded URL https://shorturl.hk/aG12R3 is highly suspicious and likely serves as the source for a secondary payload. The ClamAV detection as Doc.Downloader.Redline-9972754-0 further supports its role as a downloader.

Heuristics 4

  • ClamAV: Doc.Downloader.Redline-9972754-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Redline-9972754-0
  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (https://shorturl.hk/aG12R3) — 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/webSettings.xml.rels: https://shorturl.hk/aG12R3
  • 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://shorturl.hk/aG12R3
    • 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

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