MALICIOUS
242
Risk Score
Heuristics 6
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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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ClamAV: Xls.Malware.Sload-7135989-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Xls.Malware.Sload-7135989-0
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\objupdate forces OLE activation high RTF_OBJUPDATERTF contains \objupdate — forces automatic OLE object instantiation when the document is opened, bypassing user interaction. Almost exclusively seen in Equation Editor exploit documents.
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OLE object data medium RTF_OBJDATARTF contains 2 \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 In RTF body
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off00003d2a.bin |
rtf-objdata-decoded | RTF \objdata at offset 0x3D2A | 32827 bytes |
SHA-256: ba38644dd1d5e8538606c701c0506076d93289a876a2b7f700a0cc356123c5fe |
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Detection
ClamAV:
Xls.Malware.Sload-7135989-0
Obfuscation or payload:
unlikely
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objdata_01_off00019616.bin |
rtf-objdata-decoded | RTF \objdata at offset 0x19616 | 21934 bytes |
SHA-256: c3254e1eae3aafca50bc6bfbf7987577341ab13e74a386d899a188015f21965d |
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