Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://infrive.ru/uplcv?utm_term=paolo+nutini+auld+lang+syne PDF link annotation

  • https://nhathuydesign.com/wp-content/plugins/super-forms/uploads/php/files/du1ock19issekipohe2uam3u6d/79758567934.pdfIn PDF document text
  • https://sssmri.com/ckfinder/userfiles/files/59074231770.pdfIn PDF document text
  • https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/946cac92f77d67a3c9f89a9cfad35f3e/46288785224.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc975eec0a6---takulewabuliwomozituxab.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608463a2aa775---53834551926.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/5fd13be9254b8f7c8223bd6895914eb4/53940739832.pdfIn PDF document text
  • http://lhsclassof1971.com/clients/74120/File/21224297887.pdfIn PDF document text
  • http://creativecoms.net/userfiles/file/zesipedokivadixeje.pdfIn PDF document text
  • https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1608ba9e8c00d2---51500224342.pdfIn PDF document text
  • http://chingyi.tw/userfiles/files/lolamajagafi.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/16129ee21467b4---26655424031.pdfIn PDF document text
  • http://kalkulacka-hypo.cz/userfiles/files/60304507271.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608878ea381bd---71363547194.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/hs57dbuck9rceibi7evkibqfpj/89944375746.pdfIn PDF document text
  • https://maydangson.com/vietkiendo/upload/file/fimemewemim.pdfIn PDF document text
  • http://stlnsk.ru/uploads/file/74316220384.pdfIn PDF document text
  • https://ratco-hardware.com/Ups/files/puwuninoxanenafesajese.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/jasoreja.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/enrotr416m8m8ooir7kk1o2m55/najosatumebur.pdfIn PDF document text
  • https://festival.bg/fckeditorfiles/file/bezerewibebawasowoxa.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/62p4d8s46udf8ralhab8ks6q51/25038571958.pdfIn PDF document text
  • http://ort168.com/upload//ckeditor/files/fegiguturukimararune.pdfIn PDF document text
  • http://logo4you.dk/userfiles/file/39138121817.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160719d5e09710---zipofigigivisufup.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16116077fd941e---kexovinavudozubiki.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607c698b8c1cb---xinajo.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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