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 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 https://irlanc.ru/uplcv?utm_term=gcert+book+download+pdf PDF link annotation

  • http://kurumakaitori-one.com/js/upload/files/malim.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/fgp031fks750jouihgg5qtigd6/kesujaxosanekugez.pdfIn PDF document text
  • https://maggies-handmade.com/UserFiles/files/xumubamarebuvaveburi.pdfIn PDF document text
  • https://stka.gr/ckfinder/userfiles/files/ralurona.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099dd2e25a17---16443798972.pdfIn PDF document text
  • https://bahispesinde.com/gnc/veri/_files/butowonilapuduginaxuvil.pdfIn PDF document text
  • http://budaikepkeret.hu/uploads/file/24362959628.pdfIn PDF document text
  • http://laros.cz/UserFiles/file/55049235890.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/5f382d69d4fdbe3001872bbef1a54f37/visaki.pdfIn PDF document text
  • https://getadoc.in/ckfinder/userfiles/files/6336503381.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160b3a20edd321---77624576884.pdfIn PDF document text
  • https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//mebito.pdfIn PDF document text
  • https://weilaimachinery.com/userfiles/files/15366278787.pdfIn PDF document text
  • http://toyotaquangninh.org/data/dulieu/files/49003134639.pdfIn PDF document text
  • https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/979e237c58c8345b535b4c60f0917f09/23673457985.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/4254c94d0a112f50df565c6522d68ba3/76433060220.pdfIn PDF document text
  • http://bon-mar.com/fck_user_files/file/68117928293.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7efca342eb---lubozaweganumudijenu.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160967c027032a---laxoxudarorititafawibebo.pdfIn PDF document text
  • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/1610eab6bcb400---rarijevisarifakudozufosop.pdfIn PDF document text
  • http://goodwill.pl/userfiles/file/10957234398.pdfIn PDF document text
  • https://clubkdo.fr/img/pics/files/26207779511.pdfIn PDF document text
  • https://bawwabatrizq.com/userfiles/file/tekifa.pdfIn PDF document text
  • https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/8k50t24cgjio8tmo5psp77ceu7/60836252030.pdfIn PDF document text
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160854cd8c3181---kesibirisijum.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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