Attachment: PDF with credential theft language and link to a free subdomain (unsolicited)

type.inbound
and any(ml.nlu_classifier(body.current_thread.text).intents,
        .name == "cred_theft" and .confidence in ("medium", "high")
)
and any(attachments,
        .file_extension == "pdf"
        and any(file.explode(.),
                any(.scan.pdf.urls,
                    .domain.root_domain in $free_subdomain_hosts
                    and .domain.subdomain is not null
                    and .domain.subdomain != "www"
                )
                and any(ml.nlu_classifier(.scan.ocr.raw).intents,
                        .name == "cred_theft"
                        and .confidence in ("medium", "high")
                )
        )
)
// unsolicited
and (
  not profile.by_sender().solicited
  or profile.by_sender().any_messages_malicious_or_spam
)
and not profile.by_sender().any_messages_benign