RTF malware analysis — malicious · 83b4dda9a8c48ed4

MALICIOUS

RTF

341.7 KB Authoring application: Msftedit 5.41.15.1507

MD5: 011bbb8184dbf5334f79d8e64e9a6161 SHA-1: 863eb93dbf197b57020e191b870859c635720902 SHA-256: 83b4dda9a8c48ed4eb1ab307e35dbdda2f5436643b19ede07ce698b4f54c304a

202 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The RTF file contains embedded OLE objects, one of which has a PE header. This strongly suggests the file is designed to deliver and execute a secondary malicious payload. ClamAV identified it as Html.Trojan.GenericFakeAV-1, further supporting 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_off000000e8.bin` `281c7de0515b641b872c833c29fcc0416cd9e25f44d97e9bff44d5b2465eaeb0`	rtf-objdata-decoded	RTF \objdata at offset 0xE8	166707 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.49, consistent with packed or encrypted content.

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