Medium Severity

Attachment: PDF with specific W-9 lure

Description

Detects PDF attachments containing W-9 related lures. This one is looking for signatures that have been observed across multiple samples.

References

No references.

Sublime Security
Created Jul 1st, 2026 • Last updated Jul 1st, 2026
Source
type.inbound
and any(filter(attachments, .file_type == "pdf"),
        any(file.explode(.),
            any(.scan.yara.matches, .name in ("pdf_w9_signature_c003"))
        )
)
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