Hidden IFrame Remains Popular With Browse-By Exploit Authors
サイズ1px x 1pxの最小iframeで殆ど気づかない改ざんかぁ・・・その中でマルウエアを埋め込むのか・・・巧妙だ。
The size of the in-line frame is 1 pixel by 1 pixel, so it is not visible to the visitor of the site unless the person looks at the source code: