PDFBOX running out of memory when rendering into image

I am running into Out of memory when trying to render attached PDF at page number 4.

 
{{ java.lang.OutOfMemoryError: Java heap spacejava.lang.OutOfMemoryError: Java heap space at java.awt.image.DataBufferInt.<init>(DataBufferInt.java:75) at java.awt.image.Raster.createPackedRaster(Raster.java:467) at java.awt.image.DirectColorModel.createCompatibleWritableRaster(DirectColorModel.java:1032) at java.awt.image.BufferedImage.<init>(BufferedImage.java:333) at org.apache.pdfbox.rendering.PageDrawer.drawImage(PageDrawer.java:979) at org.apache.pdfbox.contentstream.operator.graphics.DrawObject.process(DrawObject.java:62) at org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:848) at org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:503) at org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:477) at org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:150) at org.apache.pdfbox.rendering.PageDrawer.drawPage(PageDrawer.java:246) at org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:225) at org.apache.pdfbox.rendering.PDFRenderer.renderImageWithDPI(PDFRenderer.java:164)}}