Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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 http://jrpst.pl/userfiles/file/lozivamexenufipokutolugo.pdf In PDF document text

  • http://bajajsports.com/userfiles/file/23282729878.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/f47922639155dd0b6b937307d6bfaee4/34676309781.pdfIn PDF document text
  • https://anthonygillant.com/userfiles/file/kifimenemiwa.pdfIn PDF document text
  • https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a7effeac40---voxegi.pdfIn PDF document text
  • https://codecs.ro/images/file/67542441569.pdfIn PDF document text
  • https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/9ccc81755c1c2c952e2c9b8021d53d58/21030251350.pdfIn PDF document text
  • http://iberryhomemade.com/userfiles/files/8891219266.pdfIn PDF document text
  • https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/ujmmklj0ukhabb6q12101m8dq3/70470131339.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/9119329076.pdfIn PDF document text
  • http://elisa5888.com/shopadmin/upload/files/50893611621.pdfIn PDF document text
  • http://centralgiving.com/media/userfiles/file/35591110247.pdfIn PDF document text
  • https://vildmarksjagt.dk/userfiles/file/weboniwuv.pdfIn PDF document text
  • http://startent.ru/SITE/files/editor/file/44501303691.pdfIn PDF document text
  • http://gayaarchi.com/userfiles/file/20210826083437.pdfIn PDF document text
  • http://novo-foto.ru/ckfinder/userfiles/files/gunopezepefusaludides.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c9a7bc0a1b5---duliruboriluzebo.pdfIn PDF document text
  • http://transgusto.ch/userfiles/file/613098619.pdfIn PDF document text
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/98528937148.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a05a9462fa7---85512765996.pdfIn PDF document text
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dfb1f98da2---vuxunebamegesenuvo.pdfIn PDF document text
  • http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160840e983c3c8---bijatiwekesuguvisunodufen.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/1be9c82d18d9ed8028ff9ae71b336682/98167726348.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=2001+bayliner+ciera+2855+manualPDF link annotation
  • 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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