RTF malware analysis — malicious · 46945f5350a8f433

MALICIOUS

RTF

837.8 KB

MD5: bedc25c87ac67ce1131b99f99cbedc16 SHA-1: 79d2cff5c5ac79d171e30c2892e07db5b8843ec8 SHA-256: 46945f5350a8f4333faf82aca24955b66291ff5ca437e91707b5b4f0ea131fd5

122 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious File

The RTF file contains OLE object data and triggers OLE activation via \objupdate, indicating an attempt to execute embedded content. ClamAV identified this as Rtf.Dropper.Agent-7701206-0. The embedded OLE object, objdata_00_off000007be.bin, is likely the second-stage payload. The document body is heavily obfuscated and does not provide clear user-facing content.

Heuristics 4

ClamAV: Rtf.Dropper.Agent-7701206-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Rtf.Dropper.Agent-7701206-0
\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
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off000007be.bin` `9ebb216ee6d89b07d52caa3f2ec458e6e52ed8877ae1e03664b5cd662c68d04b`	rtf-objdata-decoded	RTF \objdata at offset 0x7BE	427961 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 8.00, consistent with packed or encrypted content.

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