MALICIOUS
100
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
T1027 Obfuscated Files or Information
The RTF file contains two OLE object data sections and uses \objupdate to force OLE activation. The Ole10Native stream within the OLE object is also present, indicating the embedding of a potentially malicious object. The document body is heavily obfuscated and does not provide clear textual clues about the intent, but the heuristics strongly suggest an exploit targeting RTF parsing and OLE object handling to execute embedded content.
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 2 \objdata section(s) — embedded OLE objects
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off00001321.bin2f72f4680b32e5ede7adece06c995f49358ff21e7176b66b7be651e46502d9e2 |
rtf-objdata-decoded | RTF \objdata at offset 0x1321 | 4209 bytes |
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