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ARCHIVE_PE_ZIP_POLYGLOT
What it means
A valid Windows executable host contains a later validated ZIP archive.
Why it fires
Self-extractors can be legitimate, so the shape is contextual; both the PE host and archive members are preserved for review.
Other Archive heuristics
ARCHIVE_CHILD_MALICIOUS ARCHIVE_MALICIOUS_EXECUTABLE ARCHIVE_AUTOCAD_AUTOLISP_BUNDLE ARCHIVE_JAVA_RESOURCE_EXECUTABLE_LAUNCH ARCHIVE_ENCRYPTED_KNOWN_PASSWORD ARCHIVE_ENCRYPTED_SUSPICIOUS_DELIVERY ARCHIVE_TRUNCATED_EXECUTABLE_MEMBER ARCHIVE_DOCUMENT_DOUBLE_EXTENSION_EXECUTABLE ARCHIVE_ANDROID_PACKED_DYNAMIC_DEX ARCHIVE_SCAN_INCOMPLETE ARCHIVE_COMPILED_AUTOLISP_CODE ARCHIVE_CORRUPT ARCHIVE_ENCRYPTED ARCHIVE_RECOVERED_MEMBER_IOCS ARCHIVE_SIZE_LIMIT ARCHIVE_TRUNCATED_PARTIAL_CONTENTS ARCHIVE_CONTAINS_EXECUTABLE ARCHIVE_ANDROID_RESOURCE_ONLY_SPLIT ARCHIVE_LIMIT ARCHIVE_LARGE_ENTRY