Malware Insights
The file is identified as malicious by ClamAV with the signature 'Doc.Trojan.Thus-10'. It contains VBA macros, specifically a 'Document_Open' macro, which is a common technique for executing malicious code upon opening the document. The macro code appears to be designed to evade antivirus detection by manipulating macro settings and potentially copying itself to other documents. Although the document body text is unrelated educational content, the presence of the malicious macro and the ClamAV detection strongly indicate a malicious intent, likely to download and execute a second-stage payload.
Heuristics 5
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ClamAV: Doc.Trojan.Thus-10 critical CLAMAV_DETECTIONClamAV detected this file as malware: Doc.Trojan.Thus-10
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ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAVClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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Document_Open macro high OLE_VBA_DOCOPENDocument_Open macro
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VBA macros detected medium OLE_VBA_MACROSDocument contains VBA macro code
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Embedded URL info EMBEDDED_URLOne 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/drawingml/2006/main
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
macros.basfa78ec2d4e30dcebbfb60ac4999cfa0be2d50bd4f7b9a22224258ee898a980a1 |
vba-macro | oletools.olevba.extract_macros (decoded VBA source) | 2347 bytes |
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Detection
ClamAV:
Doc.Trojan.Thus-10
Obfuscation or payload:
unlikely
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