MALICIOUS
140
Risk Score
Malware Insights
MITRE ATT&CK
T1204 Malicious File
T1204.002 Malicious File: User Execution
T1559 Component Object Model Hijacking
T1559.001 Component Object Model Hijacking: Component Object Model and Distributed Component Object Model
The critical ClamAV heuristic directly identifies the file as exploiting CVE-2017-11882. The RTF structure contains an embedded OLE object with objdata, and the ".objupdate" heuristic indicates that this object is designed to be activated, likely leading to arbitrary code execution. The benign URL appears to be a distraction or misdirection within the RTF structure.
Heuristics 4
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ClamAV: Doc.Exploit.Cve_2017_11882-7570663-1 critical CLAMAV_DETECTIONClamAV detected this file as malware: Doc.Exploit.Cve_2017_11882-7570663-1
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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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Embedded OLE object medium RTF_OBJEMBRTF contains \objemb — embedded OLE object
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off0000bf6b.bin22e81da9d15f4df7bef3de98a5c601ed35e0bd97c7c598bc80cc27b4fcea2288 |
rtf-objdata-decoded | RTF \objdata at offset 0xBF6B | 15672 bytes |
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