RTF malware analysis — malicious · 4a02e2072d26db54

MALICIOUS

RTF

444.2 KB

MD5: 8968cbd8ba6013249290d279ab347b7f SHA-1: 3b95a517934fb381faa939367be2624697408e23 SHA-256: 4a02e2072d26db54c3a457458d5941ce14bbae2d1ad97442c56ea6bff0e01093

174 Risk Score

Malware Insights

MITRE ATT&CK

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

The RTF document contains OLE object data and triggers an ".objupdate" event, indicating an attempt to exploit a vulnerability for code execution. The presence of an embedded OLE object further supports this. While no specific document body content or scripts were extracted for direct analysis of user-facing lures, the technical indicators strongly suggest a malicious RTF exploit. The exact payload and delivery mechanism are unclear without further dynamic analysis or more detailed static findings.

Heuristics 3

\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_off00000c94.bin` `1e0269c9aaa85c519bbe4498073b87781f260cf71e6db4f0b2e9c8f2c2567bf5`	rtf-objdata-decoded	RTF \objdata at offset 0xC94	129081 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.97, consistent with packed or encrypted content.

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