Chrome, Firefox, and Edge can open PDFs directly.
Ensure the file actually ends in .pdf . If it ends in .exe , .zip , or .js , do not open it, as these are common formats for spreading malware . How to open it
Use a tool like VirusTotal to scan the URL or the downloaded file before opening it.
Official portals for forms (like tax or permit applications) frequently use unique session IDs for downloads. Safety Considerations
