Malicious PDF / .VIR — malware analysis report

Heuristics 6

• Malformed JPEG2000/JP2 box structure high CVE related PDF_JP2_BOX_ANOMALY
  PDF embeds JPEG2000/JP2 data with malformed box sizes. This is a parser-exploit indicator for JPX/JPEG2000 CVE families, not a unique CVE fingerprint.
• JPXDecode + active content — JPEG2000 CVE-family indicator info CVE related PDF_JPX_CVE_2018_4990_RELATED
  PDF uses /JPXDecode (JPEG2000) alongside JavaScript, XFA, or RichMedia indicators. This matches the delivery pattern for Adobe Reader JPEG2000 parser exploit families, including CVE-2018-4990, but does not prove the exact malformed JP2/JPX primitive.
• ASCII85Decode filter (with exploit indicators) low PDF_FILTER_85
  ASCII85 encoding filter present alongside exploit delivery indicators — uncommon outside of obfuscation
• PDF static-analysis soft budget exhausted low SCAN_INCOMPLETE
  The bounded PDF scanner skipped late sub-format walkers after the configured per-file soft deadline. Earlier findings remain valid.
• External URI info PDF_URI
  PDF contains an external URL action
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://www.epassi.se/blogg/detta-ingar-i-friskvardsbidraget PDF link annotation

  • https://www.epassi.se/sv/anstalld/friskvard/leverantorstipsIn PDF document text
  • http://ns.useplus.org/ldf/xmp/1.0/In PDF document text
  • https://www.epassi.se/sv/anstalld/friskvard/faqIn PDF document text
  • https://play.google.com/store/apps/details?id=fi.eventbrokers.sporttipassimobile&hl=sv&gl=FI&pli=1In PDF document text
  • https://apps.apple.com/se/app/epassi/id651335156In PDF document text
  • https://vimeo.com/930943909In PDF document text
  • http://www.iec.chIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/sType/ResourceRef#In PDF document text
  • http://ns.adobe.com/xap/1.0/sType/ResourceEvent#In PDF document text
  • http://ns.adobe.com/illustrator/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/t/pg/In PDF document text
  • http://ns.adobe.com/xap/1.0/sType/Dimensions#In PDF document text
  • http://ns.adobe.com/xap/1.0/g/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/photoshop/1.0/In PDF document text
  • http://xmp.gettyimages.com/gift/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • https://www.istockphoto.comIn PDF document text
  • https://www.istockphoto.com/legal/license-agreement?utm_medium=organic&utm_source=google&utm_campaign=iptcurlIn PDF document text
  • https://www.istockphoto.com/photo/license-gm102285244-?utm_medium=organic&utm_source=google&utm_campaign=iptcurlIn PDF document text
  • http://iptc.org/std/Iptc4xmpCore/1.0/xmlns/In PDF document text
  • https://www.istockphoto.com/photo/license-gm1319764588-?utm_medium=organic&utm_source=google&utm_campaign=iptcurlIn PDF document text
  • https://www.istockphoto.com/photo/license-gm619087986-?utm_medium=organic&utm_source=google&utm_campaign=iptcurlIn PDF document text

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