Medium Severity

Attachment: Adobe Sign lure PDF with embedded banner images

Description

Detects inbound messages containing PDF attachments that contain embedded banner images mimicking Adobe Sign branding, commonly used to deceive recipients into believing the document is legitimate.

References

No references.

Sublime Security
Created Jun 3rd, 2026 • Last updated Jun 3rd, 2026
Source
type.inbound
and any(filter(attachments, .file_type == "pdf"),
        any(file.explode(.),
            any(.scan.yara.matches, .name == 'adobe_sign_lure_banner_images')
        )
)
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