RTF malware analysis — malicious · 29b4861181628c13

MALICIOUS

RTF

339.7 KB Authoring application: Msftedit 5.41.15.1507

MD5: c6022fcc6376217a0089f9aaff9d83ed SHA-1: beed4162eeee7a0fcf18f897b3a99b6c1a2eb3aa SHA-256: 29b4861181628c13f50fbd0baabbc3dfb5baacde66fff1cceb7b1b81af718fd3

202 Risk Score

Malware Insights

MITRE ATT&CK

T1559.001 Component Object Model Hijacking T1137.001 DLL Search Order Hijacking

The RTF file contains an embedded OLE object, identified as a Package object, which in turn contains a PE header in hex data. This strongly suggests the RTF is a container for a malicious executable. ClamAV detection as Html.Trojan.GenericFakeAV-1 further supports its malicious nature.

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
ClamAV: Html.Trojan.GenericFakeAV-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Html.Trojan.GenericFakeAV-1
Package object class high RTF_OBJCLASS_PACKAGE

OLE Package object — can wrap arbitrary files
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_off000000ed.bin` `c49425dd91c1c20f7d3ac2fe14d410a05c4556c6b65a01fa4107a7ab56460a56`	rtf-objdata-decoded	RTF \objdata at offset 0xED	165684 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.52, consistent with packed or encrypted content.

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