2.1.23 [W3C-HTML52] Section 4.7.5. The img element

V0048: The first page of a PDF document is not displayed when set in the img element

The specification states:

 ... The img element
     ...
     ... User agents must only display the first page of a multipage resource. ...

EdgeHTML Mode

The first page of a PDF document is not displayed when set in the img element.