MALICIOUS
220
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
T1566.001 Spearphishing Attachment
The RTF document contains an OLE object that exploits the CVE-2017-11882 vulnerability in Microsoft Equation Editor. This vulnerability allows for arbitrary code execution, indicating a malicious intent to compromise the user's system. The presence of the exploit and the ClamAV detection strongly suggest this is a malicious document, likely delivered as a spearphishing attachment.
Heuristics 5
-
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.
-
ClamAV: Doc.Exploit.CVE_2017_11882-6934206-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Doc.Exploit.CVE_2017_11882-6934206-0
-
Automatically linked OLE object high RTF_OBJAUTLINKRTF contains \objautlink — an automatically linked OLE object surface that can be updated or activated when Word opens the document.
-
\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 1 \objdata section(s) — embedded OLE objects
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off00000b12.bin |
rtf-objdata-decoded | RTF \objdata at offset 0xB12 | 5291 bytes |
SHA-256: 9f47e778fbb662d897fbad00a11c9fad00cc771c20f74700efda7fc8d6c96d54 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.