MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1559.001 Component Object Model Hijacking
The RTF file contains a large amount of hex-encoded data within an OLE object, indicated by RTF_EXCESSIVE_HEX and RTF_OBJDATA heuristics. The RTF_OBJUPDATE heuristic suggests that this embedded object is designed to be activated, likely to execute a hidden payload. No document body or scripts were extracted, but the structure strongly suggests a malicious OLE object delivery.
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 ~1687KB 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_off000000e7.bincd337676f128bf17c4da5ca0d886e0715c4787b7a20e0a3d4cb7a5e822219c47 |
rtf-objdata-decoded | RTF \objdata at offset 0xE7 | 843799 bytes |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact entropy is 7.99, consistent with packed or encrypted content.
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