MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The RTF document contains embedded OLE objects, indicated by RTF_OBJDATA and RTF_OLE10NATIVE_STREAM heuristics. The RTF_OBJUPDATE heuristic suggests that these objects are designed to be activated, likely to execute embedded code or launch a secondary payload. The presence of a high-entropy carved artifact (objdata_00_off00001e01.bin) further supports the malicious nature of the embedded object, suggesting it contains obfuscated or packed code.
Heuristics 4
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Ole10Native stream in RTF OLE object high RTF_OLE10NATIVE_STREAMRTF contains an embedded OLE object with an Ole10Native stream. This is a strong payload-container signal and is related to Word/OLE exploit delivery, but it is not specific enough on its own to assign a CVE.
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\objupdate forces OLE activation high RTF_OBJUPDATERTF contains \objupdate — forces automatic OLE object instantiation when the document is opened, bypassing user interaction. Almost exclusively seen in Equation Editor exploit documents.
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OLE object data medium RTF_OBJDATARTF contains 1 \objdata section(s) — embedded OLE objects
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Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGEOne 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.
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off00001e01.bine4fd26e22b7e54a170dab4c159afc0061c1b8568fa55691e4dd60cf9fde9a529 |
rtf-objdata-decoded | RTF \objdata at offset 0x1E01 | 64061 bytes |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact entropy is 7.93, consistent with packed or encrypted content.
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