RTF malware analysis — malicious · 1d3832846f548295

MALICIOUS

RTF

22.1 KB First seen: 2025-06-09

MD5: 393e576fa9464bb77c13cc5c7e6f2058 SHA-1: 7914157d129b2eb822d9226342ccf1113a4a8a8e SHA-256: 1d3832846f548295ed3713c792644d93cd4004c370e55c06691365283abc5482

120 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File Execution T1204.002 Malicious File Execution: Malicious File T1059 Command and Scripting Interpreter

The RTF file contains an embedded OLE object that exploits a known vulnerability in the Equation Editor component. The presence of `RTF_EQUATION_EDITOR` and `RTF_OBJUPDATE` heuristics strongly indicates that this file is designed to trigger an exploit upon opening. The exploit likely leads to the execution of a secondary payload, although no specific script or URL was extracted from this sample.

Heuristics 3

Split hex Equation Editor ProgID + OLE object critical RTF_EQUATION_EDITOR

RTF embeds the Equation.3 ProgID as hex bytes near OLE object activation and splits the byte stream with whitespace or an ignorable RTF group. This is an Equation Editor OLE activation surface commonly used by CVE-2017-11882 / CVE-2018-0802 exploit documents.
\objupdate forces OLE activation high RTF_OBJUPDATE

RTF 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_OBJDATA

RTF 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_off0000003b.bin` `41768aaef52535a7c940973e762d45001b3d6fa6744bedb21f02839893f385b9`	rtf-objdata-decoded	RTF \objdata at offset 0x3B	1595 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.