Link: Document-themed link to newly registered domain

type.inbound
and any(body.current_thread.links,
        strings.ends_with(.display_text,
                          '.xlsx',
                          '.xls',
                          '.pdf',
                          '.doc',
                          '.docx'
        )
        and network.whois(ml.link_analysis(., mode="aggressive").effective_url.domain
        ).days_old <= 30
)