MALICIOUS
129
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The sample is an RTF document containing OLE object data, specifically triggering critical heuristics for Equation Editor vulnerabilities and OLE object activation. This strongly suggests the document is designed to exploit these components to execute arbitrary code. The embedded artifact, objdata_00_off000007da.bin, is likely the payload or a component thereof. The lack of readable document body text or scripts means the exact nature of the payload cannot be determined, but the exploit vector is clear.
Heuristics 4
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Equation Editor CLSID critical RTF_EQUATION_EDITOREquation Editor OLE CLSID found inside an OLE object — exploited by CVE-2017-11882 / CVE-2018-0802 / CVE-2018-0798
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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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Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGEOne or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off000007da.bina5495da66a231d33b48ce143c19b6ede38c0e83d150fd6fe9c5a886b45f72b9d |
rtf-objdata-decoded | RTF \objdata at offset 0x7DA | 129077 bytes |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact entropy is 7.97, consistent with packed or encrypted content.
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