MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
T1566.001 Spearphishing Attachment
The RTF document contains an embedded OLE object with a high entropy stream, indicated by the RTF_OLE10NATIVE_STREAM heuristic. The RTF_OBJUPDATE heuristic suggests that this object is designed to be activated, likely to execute a secondary payload. The extracted artifact 'objdata_00_off000018ae.bin' is suspicious due to its high entropy and is likely the embedded malicious content.
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_off000018ae.bin21c9eda98f03c86029b3d6dda225c08fc4dee86f9b73206799de244d33adbe05 |
rtf-objdata-decoded | RTF \objdata at offset 0x18AE | 64063 bytes |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact entropy is 7.92, consistent with packed or encrypted content.
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