Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 969d2776df0674a1…

MALICIOUS

RTF / .DOC

124.6 KB Created: 2026-01-30 17:23:00 First seen: 2026-02-02
MD5: b6a86f44d0a3fa5a5ac979d691189f2d SHA-1: 8913090d7329c09b096625e9d57edf6c5d00978e SHA-256: 969d2776df0674a1cca0f74c2fccbc43802b4f2b62ecccecc26ed538e9565eae
282 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.001 PowerShell T1204.002 Malicious File

This RTF document exploits multiple known Microsoft Office vulnerabilities including CVE-2017-8759, CVE-2026-21509, and CVE-2026-21514. The presence of OLE object data and embedded objects strongly suggests an attempt to execute malicious code. The embedded URL http://192.168.217.250/scr2.rss is likely used to download a second-stage payload. The document body, written in Romanian and English, attempts to create a sense of urgency by detailing a supposed criminal smuggling operation, likely a lure to encourage the user to open the malicious content.

Heuristics 8

  • CVE-2017-8759 — MSXML SAX OLE activation critical CVE likely CVE_2017_8759
    RTF contains a hex-encoded OLE1 object for Msxml2.SAXXMLReader.6.0 followed by an embedded OLE compound document, and the document requests OLE activation. This matches the RTF staging shape used for CVE-2017-8759 SOAP/WSDL parser code injection.
  • CVE-2026-21509 — Shell.Explorer.1 CLSID in RTF critical CVE related CVE_2026_21509
    RTF document contains the Shell.Explorer.1 CLSID {EAB22AC3-30C1-11CF-A7EB-0000C05BAE0B} associated with CVE-2026-21509 (OLE/COM Killbit / Protected View bypass). Actively exploited in the wild.
  • CVE-2026-21514 — Word/OLE security bypass in RTF high CVE likely CVE_2026_21514
    RTF document contains an embedded Word package with a webSettings frame relationship to a local Windows diagnostics XML target. That matches observed CVE-2026-21514 exploitation, where crafted Word/OLE metadata bypasses Office security decisions when opened.
  • ClamAV: Win.Exploit.CVE_2026_21514-10059348-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Exploit.CVE_2026_21514-10059348-0
  • OLE object data medium RTF_OBJDATA
    RTF contains 4 \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.
  • 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://192.168.217.250/scr2.rss
    • http://schemas.microsoft.com/office/word/2003/wordml}}\paperw11906\paperh16838\margl1134\margr1134\margt1134\margb1134\gutter0\ltrsect

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off0000c725.bin
ffd89acd72cf3f9f5d0dad586522665f75b7e25a03f1a7f42532b4e1ff0cece0		 rtf-objdata-decoded RTF \objdata at offset 0xC725 2809 bytes
objdata_01_off0000ddd1.bin
168317934a425253a40d3e63ff00818048e1003ed0c49c86d2b11d882bb6f679		 rtf-objdata-decoded RTF \objdata at offset 0xDDD1 2609 bytes
objdata_02_off0000f3d2.bin
4639ac27827b5ade2cb50fa8ee9ab1ddbb605b935e0c653c18be9bd2ad82a4ef		 rtf-objdata-decoded RTF \objdata at offset 0xF3D2 2609 bytes
objdata_03_off00010988.bin
09287a551626fbb376f0d40893eb8dc359d22f56c42f4ab3d75e66ec31cf5c99		 rtf-objdata-decoded RTF \objdata at offset 0x10988 29044 bytes

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