Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 86097885c004c4d9…

MALICIOUS

RTF / .DOC

116.3 KB First seen: 2026-02-12
MD5: f3bd13736fd97201869d81a6d3f4558a SHA-1: 51c9ade8b80df2ff00dde84ab979ca2fafa75fb4 SHA-256: 86097885c004c4d92d99768559813bc4549dd55dc793dc1710e7753783b364bd
60 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is an RTF document containing OLE object data and an \objupdate directive, indicating an attempt to exploit a vulnerability for code execution. While no specific script was directly extracted, the presence of OLE objects suggests the potential for embedded executable content or a mechanism to trigger external code execution, possibly involving JavaScript within an embedded object.

Heuristics 2

  • \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.

FilenameKindSourceSize
objdata_00_off00001f7e.bin
1729488f84a08222fd6e08bb217e4305d685439e165c8f146a8e4792254df391
rtf-objdata-decoded RTF \objdata at offset 0x1F7E 4208 bytes