MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1027 Obfuscated Files or Information
The RTF document contains OLE objects with ` extobjdata` and ` extobjupdate` sections, indicating embedded objects that are likely to be executed upon opening. The high entropy of the decoded OLE object suggests obfuscated or packed content, potentially a second-stage payload. The document body is unreadable, providing no further context on the lure.
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 2 \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_off000006a2.bin54c44f6c76746fb6eceb614dce02f2bfe2adf48155ee465e447ccd773d70fddd |
rtf-objdata-decoded | RTF \objdata at offset 0x6A2 | 145464 bytes |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact entropy is 7.97, consistent with packed or encrypted content.
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