PDF Parser – php библиотека для парсинга pdf файлов
<?php
// Include Composer autoloader if not already done.
include 'vendor/autoload.php';
// Parse pdf file and build necessary objects.
$parser = new \\Smalot\\PdfParser\\Parser();
$pdf = $parser->parseFile('document.pdf');
$text = $pdf->getText();
echo $text;