Medium Severity

Attachment: PDF W9 signature reuse

Description

Detects inbound messages containing PDF attachments that match YARA signatures looking for signature re-use.

References

No references.

Sublime Security
Created Sep 28th, 2026 • Last updated Sep 28th, 2026
Source
type.inbound
and any(filter(attachments, .file_type == "pdf"),
        any(file.explode(.),
            any(.scan.yara.matches, .name == "pdf_w9_signatures")
        )
)
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