Office (OOXML) / .DOC malware analysis — malicious · cf15660747b9ffda

MALICIOUS

Office (OOXML) / .DOC

657.7 KB Created: 2024-10-16 08:53:00 UTC Authoring application: Microsoft Office Word 12.0000

MD5: 824ddca1c906cc1a41542add075d4350 SHA-1: da9a6b8b0d7e8423d05878e8b8666aae5fe7239d SHA-256: cf15660747b9ffda42a8fb754b18c70d0e149bb255d43d95192f11fb96a4bc6b

62 Risk Score

Malware Insights

MITRE ATT&CK

T1559.001 Component Object Model Hijacking T1204.002 Malicious File

The file is a Microsoft Office document containing an embedded OLE object, which is a strong indicator of exploitation for CVE-2026-21514. The embedded OLE object, specifically 'ooxml_oleobject_00_ole10native_00.bin', suggests the document is designed to deliver a malicious payload. No scripts were extracted, but the presence of the OLE object is sufficient to infer a likely attack pattern.

Heuristics 4

OOXML Ole10Native with payload/link indicators — possible CVE-2026-21514 high CVE likely CVE_2026_21514

Office document contains embedded OLE (word/embeddings/oleObject1.bin) with Ole10Native plus executable, PE, or risky remote-link indicators. This is a likely CVE-2026-21514 exploitation shape.
Embedded OLE object medium OOXML_OLE_OBJECT

Document contains an embedded OLE object
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`ooxml_oleobject_00.bin` `da5b78cf2ae0e642cd09a9a7a7b2a3d78e6380512b5ddb8610e2a2b859e190d1`	ooxml-ole-object	OOXML embedded OLE part: word/embeddings/oleObject1.bin	705536 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.96, consistent with packed or encrypted content.
`ooxml_oleobject_00_ole10native_00.bin` `a768b88b407093a58dfcda06531d2a6ddb86ef11faac9bec9dbb19792475d4a8`	ole-package	OOXML word/embeddings/oleObject1.bin Ole10Native stream: Ole10Native	697435 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.98, consistent with packed or encrypted content.
`emf_00.emf` `5a483ce111284708dd3eb385711dee70faea182a015234504235837c28e7c882`	ooxml-emf	OOXML EMF part: word/media/image1.emf	5508 bytes

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