MALICIOUS
220
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is detected as Xls.Dropper.Agent-7057010-0 by ClamAV, indicating its malicious nature. Heuristics reveal references to LoadLibrary and GetProcAddress APIs, commonly used by droppers to load malicious code. The OLE structure shows significant slack space and an embedded EMF object, further supporting its role as a dropper. The document body contains references to embedded Excel and PowerPoint objects, consistent with a malicious document designed to execute embedded content.
Heuristics 5
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Office EPRINT stream contains EMF object high OLE_EPRINT_EMF_OBJECTOLE ObjectPool contains an EPRINT stream with EMF data. This is rare in normal documents and is CVE-2007-3893/MS07-046-family evidence when paired with Office exploit payload anomalies, but the malformed EMF record is not proven by this rule alone.
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ClamAV: Xls.Dropper.Agent-7057010-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Xls.Dropper.Agent-7057010-0
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Reference to LoadLibrary API high SC_STR_LOADLIBRARYReference to LoadLibrary API
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Reference to GetProcAddress API high SC_STR_GETPROCADDRESSReference to GetProcAddress API
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OLE document has large unaccounted-for region high OLE_SLACK_ANOMALYOLE file is 458,752 bytes but its declared streams total only 31,351 bytes — 427,401 bytes (93%) live in unallocated sector slack. This is the canonical hiding place for pre-macro-era Office exploit payloads (XOR-encoded shellcode reached via a parser pointer-corruption bug in the document structure).
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