Medium Severity

Attachment: PDF with suspicious document view lure

Labels

Malware/Ransomware
PDF
Social engineering
Content analysis
File analysis
YARA

Description

Detects PDF attachments containing a title box designed to lure recipients into viewing a document, a common social engineering technique used to direct users to malicious content.

References

No references.

Sublime Security
Created Jul 14th, 2026 • Last updated Jul 14th, 2026
Feed Source
Sublime Core Feed
Source
GitHub
type.inbound
and any(filter(attachments, .file_type == "pdf"),
        any(file.explode(.),
            any(.scan.yara.matches, .name == "pdf_view_doc_here_title_box")
        )
)
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