2016 it doesn't work. i guess they changed things. here's a sample such file in notepad++
You'll see there is no '<src>' in it as such. Trying different things I haven't been able to make it work.
<fulfillmentToken fulfillmentType="loan" auth="user" xmlns="http://ns.adobe.com/adept">
<distributor>urn:uuid:ee812ba0-d894-47d4-89e7-0bf3967281aa</distributor>
<operatorURL>https://acspdf.contentreserve.com/fulfillment</operatorURL>
<transaction>southaustralia~100243-3116993-00002_3df44b26-cd5c-4e42-9b7d-d3e4cf856ec5-50</transaction>
<expiration>2017-01-08T05:52:41-05:00</expiration>
<resourceItemInfo>
<resource>urn:uuid:15cf7f86-c71f-44ae-a86e-a70ff1f7c2d3</resource>
<resourceItem>1</resourceItem>
<metadata>
<dc:title xmlns:dc="http://purl.org/dc/elements/1.1/">Minecraft For Dummies</dc:title>
<dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Jacob Cordeiro</dc:creator>
<dc:publisher xmlns:dc="http://purl.org/dc/elements/1.1/">Wiley</dc:publisher>
<dc:format xmlns:dc="http://purl.org/dc/elements/1.1/">application/pdf</dc:format>
<thumbnailURL>https://images.cdn.overdrive.com/ImageType-200/0128-1/{3DF44B26-CD5C-4E42-9B7D-D3E4CF856EC5}Img200.jpg</thumbnailURL>
</metadata>
<licenseToken>
<resource>urn:uuid:15cf7f86-c71f-44ae-a86e-a70ff1f7c2d3</resource>
<permissions>
<display>
<duration>1814385</duration>
</display>
<excerpt>
<duration>1814385</duration>
</excerpt>
<print>
<duration>1814385</duration>
</print>
<play>
<duration>1814385</duration>
</play>
</permissions>
</licenseToken>
</resourceItemInfo>
<hmac>CVle8FcAMwlMmVnYgakc8gdH+uE=</hmac>
</fulfillmentToken>