> example ashx link
> <https://www.imf.org/~/media/Websites/IMF/imported-fu>
> ll-text-pdf/external/pubs/ft/wp/2015/_wp15224.ashx

Hi Haruto,
for your specific example .ashx link, this command works and renames the
downloaded .ashx file to .pdf:

---

httrack
<https://www.imf.org/~/media/Websites/IMF/imported-full-text-pdf/external/pubs/ft/wp/2015/_wp15224.ashx>
-%A ashx=application/pdf -v -s0 -F "Mozilla/5.0 (Windows NT 10.0; Win64; x64)
AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36" 
-%B -%s -%v 

---

p.s. remember to replace the angle brackets for quotation marks, as this forum
software is adapting the display as soon as it detects a pasted URL in here.