RTF malware analysis — malicious · 0e7b3fe687ec8385

MALICIOUS

RTF

335.6 KB Authoring application: Msftedit 5.41.15.1507

MD5: 153169a2b3b8744d02783693e3740e6d SHA-1: c0be0b6892009b13d73a52d056dae9fa0c17a3dc SHA-256: 0e7b3fe687ec8385a3a663caf90df9c69cf478cd687cfab8252edd6da115043f

202 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The RTF file contains embedded OLE objects, including a package object and PE header in hex data, strongly indicating the presence of a malicious executable. ClamAV detected this as Html.Trojan.GenericFakeAV-1. The embedded artifact 'objdata_00_off000000e9.bin' is the most significant IOC.

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_off000000e9.bin` `50840786ee5227d9fc6e8ad84e9162b703f4976397b3ecb9d454ef27bba73d0c`	rtf-objdata-decoded	RTF \objdata at offset 0xE9	163636 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.54, consistent with packed or encrypted content.

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