MALICIOUS
100
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The RTF document contains OLE object data and an objupdate directive, indicating an attempt to exploit OLE activation for execution. The presence of an Ole10Native stream further supports the embedding of a malicious object. While the document body is heavily obfuscated and unreadable, the heuristics strongly suggest a malicious OLE object is embedded, likely intended to be executed upon opening.
Heuristics 3
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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
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off000011cf.bin23523c490012ec560c8525e625afd13050efaddb6fb8abddb3a3de2614f78fe7 |
rtf-objdata-decoded | RTF \objdata at offset 0x11CF | 4257 bytes |
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