Add following extra section to typo3conf/ext/cc_awstats/awstats/awstats.conf

ExtraSectionName1="Top Downloads"

ExtraSectionCodeFilter1="200"

ExtraSectionCondition1="URL,\.(pdf|doc|zip|xls|ppt|csv|jpg)$"

ExtraSectionFirstColumnTitle1="URL"

ExtraSectionFirstColumnValues1="URL,(.*)"

ExtraSectionStatTypes1=PHB

MaxNbOfExtra1=100

MinHitExtra1=1

Add to your typoscript setup following for the content type text

tt_content.text.20.parseFunc.tags {
  link.stripNL = 0
  link = PHP_SCRIPT 
  link.file = fileadmin/scripts/tags.php
   
}

file file leadmin/scripts/tags.php, rewrites all links to fileadmin

<?

$GLOBALS["TSFE"]->set_no_cache();

$params=explode(' ',$this->parameters['allParams']);

$link['parameter']=$params[0];

$link['target']=$params[1];

$this->linkCounter++;

if(substr($params[0],0,10)=='fileadmin/'){

$link['parameter']='fileadmin/count.php?f='.urlencode($params[0]);;

}

$content.=$this->typolink($this->getCurrentVal(),$link);

?>

file fileadmin/count.php, writes download to log file. logFile is the same as the file in config.stat_apache_logfile.

<?

$logFile='stat_apache.log';

$fileName=urldecode($_GET['f']);

$referer=getEnv('HTTP_REFERER');

$ua=getEnv('HTTP_USER_AGENT');

$remoteHost=getEnv('REMOTE_HOST')?getEnv('REMOTE_HOST'):getEnv('REMOTE_ADDR');

$LogLine = $remoteHost.' - - '.Date('[d/M/Y:H:i:s +0000]').' "GET /'.$fileName.' HTTP/1.1" 200 '.filesize('../'.$fileName);

$LogLine.= ' "'.$referer.'" "'.$ua.'"';

$logfilehandle = fopen($logFile, 'a');

fputs($logfilehandle, $LogLine."\n");

@fclose($logfilehandle);

header("Location:".$fileName);

?>

more informations

Awstats Dokumentation

Typoscript by Example - Userdefined tags

TSRef tags

TSRef parseFunc