Malicious Office (OOXML) / .DOCX — malware analysis report

Static analysis result for SHA-256 79398644c8102cb6…

MALICIOUS

Office (OOXML) / .DOCX

4.31 MB Created: 2025-03-21 22:10:00 UTC Authoring application: WPS Office_7.2.2.8955_F1E327BC-269C-435d-A152-05C5408002CA First seen: 2026-06-15
MD5: e0093884e8c56a851fe15bee53857dda SHA-1: f4d289656a68baa1a2b621dc2c5b8e7d83edebbc SHA-256: 79398644c8102cb6df412c3aa6e90172ef06076f54c6819b0fea793629d7e52c
144 Risk Score

Heuristics 4

  • ClamAV: Win.Exploit.CVE_2020_17087-9789784-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Exploit.CVE_2020_17087-9789784-0
  • Embedded OLE object medium OOXML_OLE_OBJECT
    Document contains an 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.
  • 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://schemas.microsoft.com/office/word/2010/wordprocessingCanvas In document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/markup-compatibility/2006In document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/officeDocument/2006/relationshipsIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/officeDocument/2006/mathIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordprocessingDrawingIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawingIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/wordprocessingml/2006/mainIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordmlIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2012/wordmlIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordprocessingGroupIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordprocessingInkIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2006/wordmlIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordprocessingShapeIn document text (OOXML body / shared strings)
    • http://www.wps.cn/officeDocument/2013/wpsCustomDataIn document text (OOXML body / shared strings)
    • https://support.microsoft.com/zh-cn/topic/2020-%E5%B9%B4-11-%E6%9C%88-10-%E6%97%A5-kb4586827-%E6%9C%88%E5%BA%A6%E6%B1%87%E6%80%BB-c4848ee4-6660-2f5a-bb26-b7b29e0c036bIn document text (OOXML body / shared strings)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
ooxml_oleobject_00.bin ooxml-ole-object OOXML embedded OLE part: word/embeddings/oleObject1.bin 9728 bytes
SHA-256: 94da1c9f9dfeb5753430446de57e82f536e80d404b64248d58679f833415a6e3
Detection
ClamAV: Win.Exploit.CVE_2020_17087-9789784-0
Obfuscation or payload: unlikely
ooxml_oleobject_00_ole10native_00.bin ole-package OOXML word/embeddings/oleObject1.bin Ole10Native stream: Ole10Native 7071 bytes
SHA-256: 76e0003fbafb60f471c5645e425afb60484c3e52ba98be5066189a158408542d
Detection
ClamAV: Win.Exploit.CVE_2020_17087-9789784-0
Obfuscation or payload: likely
Carved artifact entropy is 7.91, consistent with packed or encrypted content.
ooxml_oleobject_00_ole10native_00_CVE2020-17087-main.zip ole-package-payload OOXML word/embeddings/oleObject1.bin Ole10Native payload: display_name=CVE2020-17087-main.zip; full_path=/Users/fy/Desktop/CVE2020-17087-main.zip; temp_path=; def_file= 6944 bytes
SHA-256: 5ed396a5a892583d335d0dfd56a6736903d0a5bc5cbbb255ae8f5ecbdea3dc91
Detection
ClamAV: Win.Exploit.CVE_2020_17087-9789784-0
Obfuscation or payload: unlikely