RTF malware analysis — malicious · da94c1562d5b4167

MALICIOUS

RTF

1.38 MB Authoring application: Msftedit 5.41.15.1515

MD5: d7f5f2c830a11fce5d202bf332139905 SHA-1: 93c19e95ee6811afe0e47db11518b7a5346979b9 SHA-256: da94c1562d5b4167e6a611ea027ee7118e8433a69a9e51964c3c26867622dcb4

182 Risk Score

Malware Insights

MITRE ATT&CK

T1559.001 Component Object Model T1105 Ingress Tool Transfer

The RTF file contains a high number of heuristics indicating embedded OLE objects, specifically a package object class with a PE header hidden in hex-encoded data. This strongly suggests the RTF is acting as a container to deliver a malicious executable payload. No scripts were extracted from this sample.

Heuristics 6

PE header (with DOS stub) in hex data critical RTF_MZ_HEX

Hex-encoded PE (MZ + DOS stub) found inside RTF — likely an embedded executable payload
Package object class high RTF_OBJCLASS_PACKAGE

OLE Package object — can wrap arbitrary files
Large hex data blocks in OLE object high RTF_EXCESSIVE_HEX

RTF contains ~1436KB of hex-encoded data inside \objdata sections — may hide a payload
OLE object data medium RTF_OBJDATA

RTF contains 1 \objdata section(s) — embedded OLE objects
Embedded OLE object medium RTF_OBJEMB

RTF contains \objemb — embedded OLE object
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_off000000d3.bin` `1d97e16dec6119ef5bbc2e1f36dbbbdc6621e421fc30ab55d98c8d40d3a37d72`	rtf-objdata-decoded	RTF \objdata at offset 0xD3	700221 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.91, consistent with packed or encrypted content.

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