MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File
The file is identified as malicious due to the presence of an appended executable payload and a critical heuristic firing for CVE-2006-6456, a known Microsoft Word vulnerability. The document body contains heavily obfuscated and unreadable data, suggesting it is not intended for direct user interaction but rather to trigger the exploit. No VBA macros were extractable, but the combination of the appended payload and the specific CVE exploit indicates a likely delivery mechanism for a secondary stage.
Heuristics 4
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CVE-2006-6456 — Microsoft Word malformed table SPRM critical CVE exact CVE_2006_6456WordDocument contains a malformed table border-color SPRM in the CVE-2006-6456 shape: a valid table-SPRM cluster is followed by an invalid high-byte 0xFF SPRM where Word expects a normal sprmTBrc*Cv record. Vulnerable Word 2000/2002/2003 parsers corrupt memory while handling this malformed data structure.
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OLE file has appended executable-looking payload bytes high OLE_APPENDED_PAYLOADOLE compound file contains a large high-entropy region beyond the declared major streams and that region includes shellcode, PE, or loader API markers. This is a payload-carrier signal, not a specific CVE attribution by itself.
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OLE ObjectPool in file named RTF high OLE_OBJECTPOOL_CONTAINER_DISGUISED_RTFFile is an OLE compound document named .rtf and contains ObjectPool embedded-object storage, suggesting a disguised Word/OLE container with embedded object attack surface.
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Unsupported Office format for VBA extraction info OFFICE_FORMAT_UNSUPPORTEDolevba could not extract VBA macros (PermissionError); format-agnostic byte-level scans still ran. Likely legacy, encrypted, or malformed OLE/OOXML — re-scanning the same bytes will yield the same outcome.
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