MALICIOUS
140
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File Execution: Malicious File
T1059.001 Command and Scripting Interpreter: PowerShell
T1566.001 Phishing: Spearphishing Attachment
The file is an RTF document that contains embedded OLE objects, with a critical heuristic firing for CVE-2017-8759. This indicates the document is designed to exploit this vulnerability upon opening, likely to download and execute a secondary payload. The presence of OLE object data and the specific CVE exploit strongly suggest a malicious intent, although the exact family cannot be determined from the provided evidence.
Heuristics 5
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CVE-2017-8759 — MSXML SAX OLE activation critical CVE likely CVE_2017_8759RTF 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.
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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 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
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off00105ea5.bin2e12dee80783e9ef51cbabb7398881e7b6883bf5612729e4a6f0167facb00cf8 |
rtf-objdata-decoded | RTF \objdata at offset 0x105EA5 | 1435 bytes |
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