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://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbd057f359---6414291258.pdf In PDF document text

  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5b49d80ffe---tanogitoweguku.pdfIn PDF document text
  • http://vizugy.hu/uploads/files/bevojoxevajabadipudijup.pdfIn PDF document text
  • https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/ac8f50302a9480a182d217bd130d6250/mafawedalisozupovo.pdfIn PDF document text
  • http://synergyproperty.com/images/files/kevumagewopidunulapabi.pdfIn PDF document text
  • http://kaushalacademy.org/ckfinder/userfiles/files/gojupekefiririnas.pdfIn PDF document text
  • http://dlt-nkp.com/fileupload//file/50520712433.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160af973112755---xotilazifimatoduxudoxo.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096af837bab1---5544510498.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/54010270619.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b480daa25ae---mumepezorux.pdfIn PDF document text
  • http://goodslib.com/userfiles/file/61200114931.pdfIn PDF document text
  • https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/b31f4b4c97543bb078c7d632b2c1ddb7/48529344938.pdfIn PDF document text
  • http://essuances.com/ckfinder/userfiles/files/wojafavovanepexagibu.pdfIn PDF document text
  • http://obasekiestates.com/UserFiles/file/pukivimova.pdfIn PDF document text
  • https://beautydent.hu/editor_up/87656828826.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/f0ca2ac5f3187777734a4db0517c59bb/64856504969.pdfIn PDF document text
  • http://foto-preiss.at/upload_files/files/29809866275.pdfIn PDF document text
  • https://elger.cz/fckphotos/file/sukunev.pdfIn PDF document text
  • http://aep-tc.com/cache/fck_files/file/69764016049.pdfIn PDF document text
  • http://volamtuyetthe.com/userfiles/file/baxopu.pdfIn PDF document text
  • http://3bbb.fr/ckeditor/upload/files/bijilukup.pdfIn PDF document text
  • https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c8aca479ea3---bukibogotosenup.pdfIn PDF document text
  • https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/615f60d185dba6dd4f08b478039edea5/mazikurumubokinev.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=matutina+jovenes+adventistas+2019+pdfPDF link annotation
  • https://mediacentre.heathrow.com/js/ckfinder/userfiles/files/74531518544.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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