sublimemediumRule

Attachment: PDF with quote lure

Detects PDF attachments containing quote-themed lure content.

MITRE ATT&CK

T1566 T1566.001 T1566.002 T1598 T1204.002 T1486

initial-access

Detection Query

type.inbound
and any(filter(attachments, .file_type == "pdf"),
        any(file.explode(.),
            any(.scan.yara.matches, .name in ("pdf_quote_lure_01"))
        )
)

Data Sources

Email MessagesEmail HeadersEmail Attachments

Platforms

Raw Content

name: "Attachment: PDF with quote lure"
description: "Detects PDF attachments containing quote-themed lure content."
type: "rule"
severity: "medium"
source: |
  type.inbound
  and any(filter(attachments, .file_type == "pdf"),
          any(file.explode(.),
              any(.scan.yara.matches, .name in ("pdf_quote_lure_01"))
          )
  )
attack_types:
  - "Credential Phishing"
  - "Malware/Ransomware"
tactics_and_techniques:
  - "PDF"
  - "Social engineering"
detection_methods:
  - "File analysis"
  - "YARA"
id: "23cef350-d85a-5c1c-bfa3-8103dab89ae0"