Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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://coretry.ru/uplcv?utm_term=mortal+kombat+x+free+souls+generator PDF link annotation

  • http://cateringkieuan.com/uploads/userfiles/file/18883607896.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161397d9e37aa3---74540884163.pdfIn PDF document text
  • http://yishiweb.com/upfiles/files/20210901_131949.pdfIn PDF document text
  • http://shimamura-mail-order.com/userfiles/file/92195969612.pdfIn PDF document text
  • https://ccichn.vn/data/upload/file/39205440958.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/16131a57d99475---7606008703.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/simudiviwepapemopuzuva.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c99278980a---zovogatutaxepo.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137597fbb204---12800505350.pdfIn PDF document text
  • http://www.sm.ac.th/ckfinder/userfiles/files/kopulujipalorijasub.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/e51d6f6a8f65baca5055096622ba1a68/16458065122.pdfIn PDF document text
  • http://www.extramas.com/userfiles/files/lekujobifup.pdfIn PDF document text
  • http://amy-tsai.com/images_express/userfiles/files/pijixorifarakujixojopak.pdfIn PDF document text
  • https://tndvn.com/js/ckfinder/userfiles/files/58591669336.pdfIn PDF document text
  • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16131bce64a1e1---7641981389.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/0b41c82ed4d7ee4305649d1a49fa711f/59558110110.pdfIn PDF document text
  • http://zhjpharm.com/upload/files/pezitozavuforu.pdfIn PDF document text
  • http://solentpodiatry.com/jackvl940/web/content/images_uploaded/file/48881711178.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5da0a7d5c---japamatosewusoxemegoxos.pdfIn PDF document text
  • http://productinfo.in/konadnew/userfiles/file/vunima.pdfIn PDF document text
  • http://indecomavo.pl/userimg/inc/voxofubovixuxojejezuvi.pdfIn PDF document text
  • https://www.totalblissbeauty.com.au/application/third_party/ckfinder/userfiles/files/25159855092.pdfIn PDF document text
  • http://momsystem.ru/public/file/8936242728.pdfIn 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/pdf/1.3/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/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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