RTF malware analysis — malicious · ade5415fffa0bdc8

MALICIOUS

RTF

1.13 MB Authoring application: Msftedit 5.41.21.2510

MD5: 7f88817c4db6b9b29eb80c8f35fe29c5 SHA-1: f57c4744dd93d21ef255a3cd8582d7bdb39012e0 SHA-256: ade5415fffa0bdc8141453a9e343ebc7c022fdf99d85ae1f9c4c89ccbda00d46

161 Risk Score

Malware Insights

MITRE ATT&CK

T1559.001 Component Object Model T1204.002 Malicious File

The RTF document contains multiple OLE objects, with one specifically triggering an \objupdate command, indicating an attempt to activate embedded content. High amounts of hex-encoded data within these objects suggest a hidden payload. No document body text or scripts were extracted, making the exact nature of the payload and delivery mechanism unclear.

Heuristics 5

\objupdate forces OLE activation high RTF_OBJUPDATE

RTF contains \objupdate — forces automatic OLE object instantiation when the document is opened, bypassing user interaction. Almost exclusively seen in Equation Editor exploit documents.
Large hex data blocks in OLE object high RTF_EXCESSIVE_HEX

RTF contains ~1150KB of hex-encoded data inside \objdata sections — may hide a payload
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
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_off00005b00.bin` `4610110257ea105c2c44f75b0d91f8d05f6e9897e1056d946ec756c01081ad66`	rtf-objdata-decoded	RTF \objdata at offset 0x5B00	575216 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 8.00, consistent with packed or encrypted content.
`objdata_01_off0011e906.bin` `d89d1ed3e6c8322b3dec22e79ac09461e5bb54f4daa294233cd63563b61fecf3`	rtf-objdata-decoded	RTF \objdata at offset 0x11E906	6847 bytes
`objdata_02_off0011e920.bin` `7e7c57c30159408a972fc99e493a946683f509c437669fd61bef77f933bc105c`	rtf-objdata-decoded	RTF \objdata at offset 0x11E920	6843 bytes

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