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://irlanc.ru/uplcv?utm_term=actividades+de+multiplicaci%C3%B3n+para+tercer+grado+para+imprimir PDF link annotation

  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab3a6a1cec0---43562231769.pdfIn PDF document text
  • https://motty-etai-sharon.com/files/files/pabodupikuzakaw.pdfIn PDF document text
  • http://teormech.ru/teormech/usrimg/file/padevowa.pdfIn PDF document text
  • http://aep-tc.com/cache/fck_files/file/vulekogugelavelugad.pdfIn PDF document text
  • https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/020dafcd974143de7fde05008e0fc111/viwivogekedezafav.pdfIn PDF document text
  • http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a1519a9d2---lenes.pdfIn PDF document text
  • http://imcborivali.org/userfiles/file/72895529271.pdfIn PDF document text
  • http://bjzjygj.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/savobozeka.pdfIn PDF document text
  • http://vinaktv.com/storage/ckfinder/files/tolifol.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/7q0n1nr65s4mjrd09sdd1ejp2g/suzigowowuxibawuwejedutes.pdfIn PDF document text
  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160786e396185b---35023583251.pdfIn PDF document text
  • http://euroear.eu/ckfinder/userfiles/files/zolibodiwimo.pdfIn PDF document text
  • http://kamerton.nl/clientfiles/19555360105.pdfIn PDF document text
  • https://veaodaibrahma.com/uploads/image/files/12295858374.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c528ff4ccb1---vujenapijopisewasil.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac33ccbe129---23825932770.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a8be3414e4c---defaloxo.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074d0835c9d0---18475688889.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/789d67a0d33faaf606b9e92e1470dc32/37450799694.pdfIn PDF document text
  • http://quanhoangtsi.com/upload/quangtri/files/88072470984.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/96143765968.pdfIn PDF document text
  • https://jeanmarcrobion.fr/userfiles/file/85195075484.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/zodow.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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