MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
The RTF file contains embedded OLE object data and triggers an objupdate event, indicating an attempt to activate embedded objects. The critical heuristic firing for CVE-2017-11882 strongly suggests exploitation of the Equation Editor vulnerability for arbitrary code execution. No document body or scripts were extracted, so the specific payload or delivery mechanism beyond the exploit is unknown.
Heuristics 3
-
CVE-2017-11882 — Equation Editor FONT record overflow critical CVE likely CVE_2017_11882Equation Editor MTEF contains an overlong FONT typeface field, the vulnerable copy primitive for CVE-2017-11882. This is stronger evidence than the Equation Editor CLSID alone because it identifies the malformed record that drives code execution in EQNEDT32.EXE.
-
\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.
-
OLE object data medium RTF_OBJDATARTF contains 2 \objdata section(s) — embedded OLE objects
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off00002082.bin90c123cd5fedacf259492e11d886bf49d95352a8faaab33067173d401d9406e4 |
rtf-objdata-decoded | RTF \objdata at offset 0x2082 | 4157 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.