Suppongo che si tratti di un hacker, ma cosa offre qui.
2016/05/06 20:10:01 [error] 11878#0: *4135 open() "/usr/local/www/nginx/MYDOMAIN/public_html/images/G/01/x-loc ale/common/transparent-pixel.CB386942464.gif" failed (2: No such file or directory), client: 42.159.144.101, server: MYDOMAIN, request: "GET http://g-ecx.images-amazon.com/images/G/01/x-locale/common/transparent-pixel.CB38694 2464.gif HTTP/1.0", host: "g-ecx.images-amazon.com"