RTF malware analysis — malicious · 54145e3a0ed39eeb

MALICIOUS

RTF

83.2 KB First seen: 2025-08-13

MD5: fb57108cfb4297d4d11cbb0810b0185d SHA-1: 436794b4b532f764d74103e1f74d204cfd481d5f SHA-256: 54145e3a0ed39eeb3f943a8821953df2bb2596fd530d1bb91f2e70e6f31df80d

60 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The RTF file contains OLE object data and a heuristic firing indicates that \objupdate forces OLE activation. This suggests the file is designed to exploit OLE object handling to execute embedded code. No document body text or scripts were extracted, limiting the ability to determine the specific payload or delivery mechanism.

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.

Filename	Kind	Source	Size
`objdata_00_off00001a3c.bin` `1a4a7bf0e685dcade5d8f10efb5068f52304043c28a85782774e92c85c6eb878`	rtf-objdata-decoded	RTF \objdata at offset 0x1A3C	4241 bytes

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