MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The RTF file contains a large amount of hex-encoded data within an OLE object, indicated by the RTF_OBJDATA and RTF_EXCESSIVE_HEX heuristics. The RTF_OBJUPDATE heuristic suggests that this OLE object is configured to automatically activate, implying it's intended to deliver a malicious payload. The extracted artifact objdata_00_off00000120.bin is likely this payload.
Heuristics 4
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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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Large hex data blocks in OLE object high RTF_EXCESSIVE_HEXRTF contains ~1476KB of hex-encoded data inside \objdata sections — may hide a payload
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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_off00000120.bincec24472d6a35bf29a99077cbbbcfc402aad6ceeb0ad07ee198725c8d74dac84 |
rtf-objdata-decoded | RTF \objdata at offset 0x120 | 738170 bytes |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact entropy is 8.00, consistent with packed or encrypted content.
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