画像配置→グループ→クリッピングマスク
set fileRef to alias "CID-HD403180"
tell application "Adobe Illustrator 9.0"
	set groupRef to make new group item in document 1
	tell document 1
		make new placed item at end of groupRef with properties {file path:fileRef, position:itemPosition}
		set groupRef to duplicate path item 1 to beginning
		delete path item 2
		set selected of path item 1 to true
	end tell
	set clipped of path item 1 to true
end tell