MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The sample is an RTF document that contains OLE object data and triggers an object update, indicating it is designed to exploit vulnerabilities. Specifically, the RTF_EQUATION_EDITOR heuristic firing points to a known exploit targeting the Equation Editor component. This suggests the file is a malicious document intended to deliver a payload via an OLE object exploit.
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 1 \objdata section(s) — embedded OLE objects
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off00001d9e.binb7ff233f277fbb7be6fd46306f84c669f3565afe51f412b93708382086d82a9f |
rtf-objdata-decoded | RTF \objdata at offset 0x1D9E | 27184 bytes |
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