RTF malware analysis — malicious · 971fe0ac94f4b688

MALICIOUS

RTF

412.2 KB First seen: 2015-02-05

MD5: dc04201452983a7f21e0ed42fde5ebc5 SHA-1: 8fb87d532554fe1584dcc738723f5037ec0b3336 SHA-256: 971fe0ac94f4b68874789b41e2629525f4ca8268741d80c6d802e308bdcf97bd

162 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The RTF file contains embedded OLE objects and triggers heuristics related to CVE-2012-0158, indicating an exploit targeting MSCOMCTL.ListView. This vulnerability allows for the execution of arbitrary code when the file is opened. The ClamAV detection further confirms the malicious nature of the file, specifically identifying it as an exploit for CVE-2012-0158.

Heuristics 6

MSCOMCTL.ListView — CVE-2012-0158 high CVE related CVE_2012_0158

RTF \objdata decodes to OLE data containing the MSCOMCTL.ListView — CVE-2012-0158 CLSID — the vulnerable control/moniker is embedded directly in the document's object stream, the delivery shape of this exploit. RTF objects auto-render when Word opens the file.
ClamAV: Rtf.Exploit.CVE_2012_0158-6817728-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Rtf.Exploit.CVE_2012_0158-6817728-0
OLE object data medium RTF_OBJDATA

RTF contains 3 \objdata section(s) — embedded OLE objects
Embedded OLE object medium RTF_OBJEMB

RTF contains \objemb — embedded OLE object
OlePres presentation stream in RTF OLE object medium RTF_OLEPRES_STREAM

RTF contains an embedded OLE object with an OlePres presentation stream. OlePres is an OLE presentation marker and is not enough on its own to identify CVE-2025-21298.
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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off000000a8.bin`	rtf-objdata-decoded	RTF \objdata at offset 0xA8	8352 bytes
SHA-256: `a275f9cbf6f8bf6832c0c7fb7f96193bfaefe06bdaa59b55c585a40aff8907ad`
`objdata_01_off0000440f.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x440F	4365 bytes
SHA-256: `7cb020b89d36bd3cb4ad5c322612dee77bc9d61159bace0bf8111a78508ce84b`
`objdata_02_off0000680e.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x680E	167000 bytes
SHA-256: `c2ce12c64de68be7f8cd0276dbb008b6daff85aced9b955868e00f49dd3c8cce`
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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