MALICIOUS
140
Risk Score
Malware Insights
MITRE ATT&CK
T1204 Malicious Link
T1204.002 Malicious Link: Malicious File
T1559 Component Object Model Hijacking
T1559.001 Component Object Model Hijacking: COM Hijacking
The RTF document contains an embedded OLE object with a split Equation Editor ProgID, as indicated by the RTF_EQUATION_EDITOR heuristic. The RTF_OBJUPDATE heuristic suggests that the object is configured to activate automatically upon opening or enabling editing. The SE_ENABLE_LURE heuristic confirms that the document contains instructions to enable editing, a common social engineering tactic to bypass security measures and trigger the embedded exploit. The likely goal is to execute a malicious payload via the Equation Editor vulnerability.
Heuristics 4
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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 1 \objdata section(s) — embedded OLE objects
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Macro/content-enable lure medium SE_ENABLE_LUREDocument instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off000053d8.bin41183ab63c79f3cecf97aefc45cc49f6dcdb011c69bfa98718e6876d309468e6 |
rtf-objdata-decoded | RTF \objdata at offset 0x53D8 | 1728 bytes |
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