Malicious RTF — malware analysis report

Static analysis result for SHA-256 dbdfcc57f5dd4dd6…

MALICIOUS

RTF

137.5 KB Created: 2026-01-29 05:21:00 First seen: 2026-06-10
MD5: ce372134d65709fd83596f411af5f88b SHA-1: 9397ce591515a8cb0498e3a69d9df0e47a6cf241 SHA-256: dbdfcc57f5dd4dd6fe7c4169d2a29ff5d137b9fdaeaa4c7215937dd30b7b045d
202 Risk Score

Heuristics 6

  • 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
  • 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 In RTF body
    • http://schemas.microsoft.com/office/word/2003/wordmlIn RTF body

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off0000fab4.bin rtf-objdata-decoded RTF \objdata at offset 0xFAB4 2809 bytes
SHA-256: 001691e7d2773e77b0876a2c848b889cd4d9e8a48ef8b5dd209571a089e89f4a
objdata_01_off00011102.bin rtf-objdata-decoded RTF \objdata at offset 0x11102 2609 bytes
SHA-256: a118055da1af339dcf635bcc04b496a1dcb29c2452565a0004f3573271152c53
objdata_02_off000126a5.bin rtf-objdata-decoded RTF \objdata at offset 0x126A5 2609 bytes
SHA-256: 9637c13251cf0525c0229c4406f7bb436e0102be7b39a23dbb95f9424085be27
objdata_03_off00013c5b.bin rtf-objdata-decoded RTF \objdata at offset 0x13C5B 29044 bytes
SHA-256: 09287a551626fbb376f0d40893eb8dc359d22f56c42f4ab3d75e66ec31cf5c99

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