The seven-year-old was expected to put up a big show after taking fourth place in the Paddy Power Gold Cup last month, but trailed home last of the nine finishers behind Double Ross.
However, Jefferson reports Attaglance to have returned home in good heart.
“He’s fine, but I don’t know why he ran like that. I haven’t a clue,” said the Norton-based handler.
“We thought he was in brilliant form and that everything was right for him, but he just never went for whatever reason.
“He came back and never left a bite.
“There were a couple of horses out Sunday morning and he was going daft, running around his box and wanting to be out with them.
“The thing is he hasn’t had a race. He’s ground dependent a bit so we will have to see what comes up and where.”
Ridden by Bryan Hughes, Attaglance was sent off 7-1 joint third favourite on Saturday.