RTF malware analysis — malicious · 2f643214a404b795

MALICIOUS

RTF

367.5 KB

MD5: e64592fe23b8794b1394d8f2d7ca6d29 SHA-1: 4f7d1f34931c4e35789580f64b81912df5365e18 SHA-256: 2f643214a404b795accc39e864fa47ec2894ba8d87b85f28d4521a7520bf0888

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The RTF document contains an OLE object that is forced to activate via \objupdate, indicating a likely exploit. The presence of an embedded OLE object, specifically an 'objdata' section, strongly suggests an attempt to execute embedded code or launch an external resource. While no specific payload or URL was directly extracted, the structure points to a downloader or dropper mechanism.

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_off000013fd.bin` `8a6eba51eef3d95ef967289626ec432795187ef3db8f25b9f7592fe6e1542913`	rtf-objdata-decoded	RTF \objdata at offset 0x13FD	185487 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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