Attachment: PDF with split QR code

type.inbound
and any(filter(attachments, .file_type == "pdf"),
        any(file.explode(.),
            any(.scan.yara.matches,
                // yara rules match on "split" QR codes that are 290x290, 300x300, 370x370 and placed close to eachtoher in the PDF
                strings.istarts_with(.name, 'Phishing_PDF_Split_QR_Code_Pair')
            )
        )
)