[DJ Mogarych]

Powershell:

Код:

$gs = "C:\scripts\Ghostscript\bin\gswin64c.exe"
$in = dir "C:\temp\pdf\in\*.pdf"
$out = "C:\temp\pdf\out"
$pass = "Na gorshke sidel korol"

$in |% {
    & $gs -sDEVICE=pdfwrite `
    -dBATCH -dNOPROMPT -dNOPAUSE `
    -sOwnerPassword="$pass" `
    -sUserPassword="$pass" `
    -sOutputFile="$out\$($_.name)" `
    $_.FullName
}

Программа называется GhostScript.