Is that a txt document is safe compared to pdf format?

I sent a pdf from my mac to someone earlier this week and told me

"Generally speaking plain text files - that have suffixes like .txt, .csv, .md. MDM (and others) - are the only really safe files. Files are too easy for the virus to hide in (Nothing in them but the characters in the file). "If that's the case why Apple prefer to use? I know News Groups prefer to use plain text and I told Visually Impaired people find easier to read, .txt then, why are they used by mac is they secure ant?

Plain text files are generally safer because they are not normally a way for the virus to settle. However sometimes files will claim to be plain text files by placing two file extensions.

thisisafile.txt <-this is a normal text file

thisisnotafile.txt.exe <-this is a file infected with the virus masquerading as a txt file

This affects really only Windows machines. If they are configured to not display the usual file extension, and then the .exe is 'hidden' and only the .txt little shows and this as is planned then deceive the user. As I said this really only affects Windows computers.

PDF files are used because they may contain a formatted document in a more complex way. A text file is, literally, plain text, no fonts, no sizes of fonts, bold and italics and certainly no pictures. A PDF file can contain tables, charts, images, color, multiple fonts and look like a good book.

Tags: Mac

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