MALICIOUS
140
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The RTF document contains an embedded OLE object with a split Equation Editor ProgID, a known vulnerability. The \objupdate directive forces OLE activation, and the SE_ENABLE_LURE heuristic indicates the document instructs the user to enable editing, likely to trigger the exploit. No scripts were extracted from this sample.
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_off000041bc.bin00e99d6cadeaa5fe87d9300048acdfb42b769020478370e07bbe4e8cccbbccd6 |
rtf-objdata-decoded | RTF \objdata at offset 0x41BC | 1940 bytes |
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