Malicious PDF — malware analysis report

Heuristics 8

• 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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bfbb7b1a8e2---pibizovegimanovineseku.pdf In PDF document text

  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608c706a2ec02---44220479535.pdfIn PDF document text
  • http://youngshiny.com/userfiles/file/1630073988.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1608038292d14d---87548055680.pdfIn PDF document text
  • https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/e4adc748119962725235f1bf22b343df/92197378740.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d89046be4bc---donetamuxo.pdfIn PDF document text
  • https://ecohort.biz/userfiles/files/87377058637.pdfIn PDF document text
  • http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/90444218500.pdfIn PDF document text
  • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/55ef65bac2d8b602f046450910882526/popuxijivazeporawopo.pdfIn PDF document text
  • http://yonseri.org/userfiles/files/76657143623.pdfIn PDF document text
  • https://guapa2.com/admin/fck/file/gesekusuxowate.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/b15592d14d6b87ffd98be506b7b5a034/46268125074.pdfIn PDF document text
  • http://theettiaresmontreal.com/clients/f/f0/f03dfc1790708d0b03c48e9879ef2ea6/File/23680352350.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/kajojafed.pdfIn PDF document text
  • http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608a4da92d35d---53113534002.pdfIn PDF document text
  • http://westernmaki.com/uploads/files/pufatusefiwib.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6a03c53b89---medarigegufija.pdfIn PDF document text
  • https://ofertaromania.ro/ckfinder/userfiles/files/75752412424.pdfIn PDF document text
  • http://ekolojikweb.net/upld/userfiles/file/wibovukomisudiwux.pdfIn PDF document text
  • http://sys-svinding.dk/userfiles/file/mobukaxejegoriti.pdfIn PDF document text
  • http://www.zaluziemalina.cz/userfiles/file/kesudemexuzexuvopezaroke.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/05a556022ed9d0ea2bbf1fc50ea6d6ad/tibuzolaza.pdfIn PDF document text
  • http://kezmosas.hu/files/file/56033766709.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=housebuilder%27s+bible+11+pdf+downloadPDF 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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