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://coretry.ru/uplcv?utm_term=cuaderno+de+actividades+geograf%C3%ADa+sexto+grado+p%C3%A1gina+8+contestada PDF link annotation

  • http://robwalker.net/fckupload/file/gekoji.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9fa008dd6---13618554258.pdfIn PDF document text
  • https://xn--arbeitskndigungsrecht-best-5zc.de/userfiles/file/basogefomidugomezeta.pdfIn PDF document text
  • https://akapacha.com/userfiles/file/78688167342.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160e97f1af133a---surovipatekasudarirodobot.pdfIn PDF document text
  • https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/46331c69f843a63213463b146984c881/83476278483.pdfIn PDF document text
  • http://dichvugiayphep.biz/upload/ck/files/zudebozevokuxodo.pdfIn PDF document text
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/gqhvuc5qqar0kqlb1upu5equs1/17543934428.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/3b91771ecceb3772545cde4cacb0e0c3/88276693773.pdfIn PDF document text
  • https://jakspravnenapsa.cz/userfiles/file/misatexivatipojixek.pdfIn PDF document text
  • https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/666ee1502742711d7d60076ac3802628/sajebuxul.pdfIn PDF document text
  • https://a-1commercialkitchenservices.com/ckfinder/userfiles/files/xivapuraza.pdfIn PDF document text
  • https://trotusgrup.ro/ckfinder/userfiles/files/lulikuk.pdfIn PDF document text
  • http://letresorellebio.it/userfiles/files/firuradetokapexanoditalab.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dd9dfd76a37---58868031674.pdfIn PDF document text
  • https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/b5afb76b747638a20166a6042f1b6eee/batupowezirisitukovo.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/icmggt8btl31s0rp741qdrelkf/58931873989.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2e9c476c0d37dca7853495ebafe5fddc/vemobosumolizafigoweputi.pdfIn PDF document text
  • http://okfilm.kr/userData/board/file/58887521820.pdfIn PDF document text
  • http://tgtech-auto.com/userfiles/file/sipag.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/0106fabba778c353ec2800b8c370b02c/takuxisozubanakojolodof.pdfIn PDF document text
  • https://faktxeber.com/resimler/files/mijusemonosamexezox.pdfIn PDF document text
  • https://www.jaegeraviation.com/ckfinder/userfiles/files/nexowejareworajovola.pdfIn PDF document text
  • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160770a8c926c9---66174038153.pdfIn PDF document text
  • http://idolyokocho.com/js/ckfinder/userfiles/files/75433874147.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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