MALICIOUS
82
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PowerPoint presentation (PPS) that contains a chain letter lure in its document body, promising luck and wealth upon forwarding. Static analysis detected an appended executable payload and significant slack space within the OLE structure, indicating the presence of hidden malicious content. VBA macros could not be extracted due to an unsupported format, but the appended payload suggests the file is designed to deliver a secondary stage. The primary attack vector appears to be social engineering via the document content, with the appended payload indicating a malicious intent beyond the chain letter itself.
Heuristics 3
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OLE document has large unaccounted-for region high OLE_SLACK_ANOMALYOLE file is 414,720 bytes but its declared streams total only 198,577 bytes — 216,143 bytes (52%) 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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OLE file has appended executable-looking payload bytes high OLE_APPENDED_PAYLOADOLE compound file contains a large high-entropy region beyond the declared major streams and that region includes shellcode, PE, or loader API markers. This is a payload-carrier signal, not a specific CVE attribution by itself.
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Unsupported Office format for VBA extraction info OFFICE_FORMAT_UNSUPPORTEDolevba could not extract VBA macros (PermissionError); format-agnostic byte-level scans still ran. Likely legacy, encrypted, or malformed OLE/OOXML — re-scanning the same bytes will yield the same outcome.
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