RTF malware analysis — malicious · 2fcc46e4e34b7720

MALICIOUS

RTF

416.7 KB First seen: 2015-01-15

MD5: 82af90c3854014f96fb53b1eedc2031d SHA-1: c66dacc233dd7df9b76280dd656d88adb25efa4c SHA-256: 2fcc46e4e34b77205adcd0023dd17a4bf4d54d23aafd0b0efcd3627511f392ed

244 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The RTF file contains multiple high-severity heuristic firings indicating exploitation of CVE-2012-0158 and CVE-2014-1761, common vulnerabilities targeted by RTF-based malware. It also includes an embedded remote URL, http://217.12.201.169/webstat/image.php?id=98772089, which is highly suspicious and likely serves as a download source for a secondary payload. The ClamAV detection as Rtf.Dropper.Agent-7125198-0 further confirms its malicious nature as a dropper.

Heuristics 9

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.
CVE-2014-1761 — \listoverridecount large value (2611111) high CVE exact CVE_2014_1761

RTF \listoverridecount value 2611111 far exceeds normal bounds — exploited by CVE-2014-1761 to trigger a heap corruption in Word; used in targeted attacks
ClamAV: Rtf.Dropper.Agent-7125198-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Rtf.Dropper.Agent-7125198-0
INCLUDETEXT/INCLUDEPICTURE remote URL high RTF_INCLUDE_REMOTE

RTF document uses INCLUDETEXT or INCLUDEPICTURE with an http:// URL — Word can fetch the remote content on open depending on Office version and external-content settings, enabling remote template injection, NTLM capture via redirects, or payload delivery
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.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL http://217.12.201.169/webstat/image.php?id=98772089 In RTF body

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: `8aba984402daa8866067238ecea88d3a16764bce1616c619be672fe3b85e7d2d`
`objdata_01_off000045a1.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x45A1	4365 bytes
SHA-256: `acfbe0c5068ec600b1b992c44f2d30b3d8861c9c32ac1d28d67672384b638582`
`objdata_02_off000069a0.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x69A0	167000 bytes
SHA-256: `c4be92c4e46c340411424a0679650bfb2c7bfc42f126bf49bdc25b41a9c4612f`
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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