MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample contains an embedded OLE object with indicators of a dropped executable payload, identified by ClamAV as Ole2.Macro.Agent-9858864-1. The document body prompts the user to open the embedded content, suggesting a spearphishing attachment vector. The embedded OLE object likely contains code to download and execute a second-stage payload from the URLs provided.
Heuristics 6
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OOXML Ole10Native with payload/link indicators — possible CVE-2026-21514 high CVE likely CVE_2026_21514Office 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.
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ClamAV: Ole2.Macro.Agent-9858864-1 critical CLAMAV_DETECTIONClamAV detected this file as malware: Ole2.Macro.Agent-9858864-1
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Ole10Native package drops an auto-executable payload critical OFFICE_PACKAGE_RISKY_FILEOLE Package displayName or fullPath ends in a directly auto-executable extension (a runnable binary or a script the default shell host runs on double-click). Embedding such a payload inside an Office document has no benign authoring use — it is a malware-delivery dropper.
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Embedded OLE object medium OOXML_OLE_OBJECTDocument contains an embedded OLE object
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Payload URL recovered from embedded OLE object (4 URLs) info OOXML_EMBEDDED_OBJECT_URLAn embedded OLE object (xl/word/ppt embeddings) carries a next-stage download URL in its Ole10Native/Package stream — stored literally (incl. UTF-16) or base64-encoded — which the package-level URL sweep does not see. Surfaced as an IOC; self-validating (only real payload hosts).
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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 https://zealous-fire-94898.pktriot.net/handshake.php In document text (OOXML body / shared strings)
- https://zealous-fire-94898.pktriot.net/alertmsg.zipIn document text (OOXML body / shared strings)
- http://schemas.openxmlformats.org/markup-compatibility/2006In document text (OOXML body / shared strings)
- http://schemas.openxmlformats.org/officeDocument/2006/relationshipsIn document text (OOXML body / shared strings)
- http://schemas.openxmlformats.org/officeDocument/2006/mathIn document text (OOXML body / shared strings)
- http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawingIn document text (OOXML body / shared strings)
- http://schemas.openxmlformats.org/wordprocessingml/2006/mainIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/word/2006/wordmlIn document text (OOXML body / shared strings)
- https://api.ipify.orgIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/SMI/2005/WindowsSettingsIn document text (OOXML body / shared strings)
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
ooxml_oleobject_00.bin |
ooxml-ole-object | OOXML embedded OLE part: word/embeddings/oleObject1.bin | 1092608 bytes |
SHA-256: 3ae757d4bebfa51a1363ddb88040a9150e76cc9420638086eb3ae9b455cf1303 |
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Detection
ClamAV:
Ole2.Macro.Agent-9858864-1
Obfuscation or payload:
unlikely
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ooxml_oleobject_00_ole10native_00.bin |
ole-package | OOXML word/embeddings/oleObject1.bin Ole10Native stream: Ole10Native | 1081656 bytes |
SHA-256: 348a946681221836e5305c7325f94e3304099d5aa3ce41397bffd425525316b2 |
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emf_00.emf |
ooxml-emf | OOXML EMF part: word/media/image1.emf | 5448 bytes |
SHA-256: 9334857f54d01cecdce1740f8c66dd4724f664c3f89e6e371847e25b0799e797 |
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