MALICIOUS
140
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
The RTF file contains OLE object data and an \objupdate directive, which are indicative of an attempt to trigger OLE activation. ClamAV specifically identifies this file as Doc.Exploit.CVE_2017_11882-6934206-0, confirming exploitation of the Equation Editor vulnerability. This exploit allows for the execution of arbitrary code, likely to download and run a secondary payload.
Heuristics 4
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ClamAV: Doc.Exploit.CVE_2017_11882-6934206-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Doc.Exploit.CVE_2017_11882-6934206-0
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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 medium 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_off0000003c.bin |
rtf-objdata-decoded | RTF \objdata at offset 0x3C | 4131 bytes |
SHA-256: b9773bcfa14177a78af99fa433ad4775d253fe706ee41a0a1fbfe3503e232c9e |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Static shellcode analysis found candidate code region(s). Indicators: SC_GETPC_CALL
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