← All detection heuristics · HWP
critical
HWP_PS_SYSTEM
What it means
PostScript 'system' operator found.
Why it fires
Some PostScript interpreters expose a 'system' operator or equivalent extension that can run operating-system commands. Its presence in embedded PostScript is high-risk and unusual in ordinary documents.
Other HWP heuristics
HWP_EMBEDDED_PE HWP_PE_MSHTA_REMOTE_EXEC HWP_OLE_PACKAGE_EXECUTABLE HWP_OLE_CLICK_TO_EXEC_LURE HWP_PS_EXEC HWP_PS_CVX_EXEC HWP_SHELL_CMD HWP_POSTSCRIPT HWP_PS_HEXCODE HWP_JAVASCRIPT HWP_PS_FILE HWP_URL HWP_PS_FILTER HWP_SCRIPTS_STREAM HWP_BINDATA HWP_COMPRESSED HWP_SEMANTIC_FINGERPRINT HWP_STREAM_RAW_FALLBACK