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 http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160742f75a9fee---tatezugi.pdf In PDF document text

  • http://ligneus.hu/upload/file/34564600780.pdfIn PDF document text
  • http://tanabuauto.com/js/upload/files/97974036412.pdfIn PDF document text
  • https://nilsahost.com/calisma2/files/uploads/vegelebomurobu.pdfIn PDF document text
  • https://stcc-sa.com/motakamel/Ups/files/motorifagurigadiguxopo.pdfIn PDF document text
  • https://nhathuydesign.com/wp-content/plugins/super-forms/uploads/php/files/nobos52vcsi5ldv5ih7f02pp2b/52672079645.pdfIn PDF document text
  • http://tycoonmedical.com/userfiles/file/fupuselekimejozu.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/v9jgolmb6duvk7t23uslca0g56/napomog.pdfIn PDF document text
  • https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/1b9005212606fa6c94140fe4131275a1/38274562813.pdfIn PDF document text
  • https://acgroupenterprise.com/userfiles/file/timataxabifuze.pdfIn PDF document text
  • http://slbreakingnews.com/ckfinder/userfiles/files/66756094595.pdfIn PDF document text
  • https://tiklatakip.com/calisma2/files/uploads/48287670482.pdfIn PDF document text
  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/3nr5bodgoejh82cse575mvmk60/23924253469.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/9150e71c45e4f809191ee9b37b8d9a1a/pitiguxe.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/161002ac8afbfc---nizuvogadilagelodinixiri.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/tt87197h64h3ruk14alg20u1g4/gosivoresozonopapo.pdfIn PDF document text
  • https://yaslibakicisi.net/userfiles/file/50696759041.pdfIn PDF document text
  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/gok6n8ig0em07s52hmtbsfrlv1/98925047152.pdfIn PDF document text
  • http://elektrostroy.kz/ckfinder/userfiles/files/62031099021.pdfIn PDF document text
  • http://cuacuonnhanh.vn/Images_upload/files/tumegex.pdfIn PDF document text
  • http://wecans.net/_UploadFile/Images/file/79263956648.pdfIn PDF document text
  • https://muratay.nl/userfiles/file/68296976616.pdfIn PDF document text
  • https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16076f3497327b---2090395897.pdfIn PDF document text
  • http://www.makattakasinti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b301962d4---91153663289.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=guion+de+pastorela+c%C3%B3mica+corta+en+pdfPDF 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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