MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
T1559.001 Component Object Model Hijacking
The file is an RTF document containing embedded OLE objects, specifically targeting the Equation Editor vulnerability. The presence of `RTF_EQUATION_EDITOR` and `RTF_OBJUPDATE` heuristics indicates that the document is designed to exploit this vulnerability upon opening, likely leading to arbitrary code execution. No document body text or scripts were extracted, but the heuristics strongly suggest a classic exploit delivery mechanism.
Heuristics 3
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Split hex Equation Editor ProgID + OLE object critical RTF_EQUATION_EDITORRTF embeds the Equation.3 ProgID as hex bytes near OLE object activation and splits the byte stream with whitespace or an ignorable RTF group. This is an Equation Editor OLE activation surface commonly used by CVE-2017-11882 / CVE-2018-0802 exploit documents.
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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_off000000c4.bin5967aae50e3c34826ec2fa3f5f016eebca5c5d86f24dc830bc6815824f5a405a |
rtf-objdata-decoded | RTF \objdata at offset 0xC4 | 2175 bytes |
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