Naw, advertisers are pretty good at detecting bots. Your CPM will quickly drop to 0.
Better redirect to a multi GB Linux ISO download.
This gives me an idea. Maybe redirect to some old big corp website -- HP, Oracle, IBM? -- where the page they're being redirected to also redirects several times?
Could you somehow stream an infinite stream? Like taping a circle of black paper together in a fax machine and faxing a spammer.