MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The RTF file contains significant amounts of hex-encoded data within an OLE object, a common technique for hiding malicious payloads. The presence of a Composite Moniker further suggests an attempt to exploit OLE object handling. While the document body presents a benign registration form, the heuristics strongly indicate the RTF structure itself is designed to deliver an embedded exploit or payload. No scripts were extracted, and the only URL found was benign.
Heuristics 5
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Composite Moniker in RTF OLE object high RTF_COMPOSITE_MONIKER_RELATEDRTF contains Composite Moniker CLSID in OLE object context, but no nearby scriptlet/SCT payload was confirmed. Treat as related moniker attack-surface evidence rather than proof of CVE-2017-8570 exploitation.
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Large hex data blocks in OLE object high RTF_EXCESSIVE_HEXRTF contains ~1813KB of hex-encoded data inside \objdata sections — may hide a payload
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OLE object data medium RTF_OBJDATARTF contains 1 \objdata section(s) — embedded OLE objects
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Embedded OLE object medium RTF_OBJEMBRTF contains \objemb — embedded OLE object
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Embedded URL info EMBEDDED_URLOne 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://schemas.microsoft.com/office/word/2003/wordml}}\paperw12240\paperh15840\margl1440\margr1440\margt1440\margb1440\gutter0\ltrsect
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off00001de6.bind6d548100ab31a0bb3141318ac9be0f97d78a126170abcf689293c2d2a387d1a |
rtf-objdata-decoded | RTF \objdata at offset 0x1DE6 | 187332 bytes |
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