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://medvor.ru/uplcv?utm_term=cute+things+to+build+minecraft PDF link annotation

  • http://bajkolandia-leszno.pl/userfiles/file/46219133625.pdfIn PDF document text
  • http://sinojjacob.com/userfiles/file/fodozazokaxepu.pdfIn PDF document text
  • http://kasaitogo.com/uploads/files/pajom.pdfIn PDF document text
  • https://chatsystem.site/js/ckfinder/userfiles/files/74053098934.pdfIn PDF document text
  • https://phongkhamtamthan.net/uploadeditor/files/65261665647.pdfIn PDF document text
  • https://onecre.com/images/content/files/nanigifivisaz.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16130fa1c262cf---dajelukusub.pdfIn PDF document text
  • http://anneadamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tetitavate.pdfIn PDF document text
  • https://quangcaomattroi.com/uploads/news_file/98904307405.pdfIn PDF document text
  • http://xn--80aafkatcapceshpicpg3h.xn--p1ai/pict/file/dinavutal.pdfIn PDF document text
  • https://alienaquatics.com/home/gb/public_html/ckfinder/userfiles/files/mexutizenirimax.pdfIn PDF document text
  • http://xn--lenachatka-57b.pl/uploaded/file/zigubosub.pdfIn PDF document text
  • http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/16131fd3a111ed---fesojori.pdfIn PDF document text
  • https://iasvn.org/Images_upload/files/tezule.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b852d234c8---5138593066.pdfIn PDF document text
  • https://khonggiansangtao.com/platformecom/img/upload/file/52756678674.pdfIn PDF document text
  • https://advantagelic.com/singhania/downloads/file/kumopesorubud.pdfIn PDF document text
  • https://99shayari.in/userfiles/files/30031895737.pdfIn PDF document text
  • http://evergreendentistryva.com/app/webroot/js/ckfinder/userfiles/files/6785489419.pdfIn PDF document text
  • http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/58299688305.pdfIn PDF document text
  • https://projetounificado.com/uploads/files/folikesu.pdfIn PDF document text
  • http://www.museopizarra.com/ckfinder/userfiles/files/kogavevulofejodulogozop.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614420465f2bc---42681057045.pdfIn PDF document text
  • http://geologocarmignani.com/userfiles/files/vafixokotepexafixez.pdfIn PDF document text
  • http://www.insight-assessment.com/ckfinder/userfiles/files/21634873536.pdfIn PDF document text
  • http://shengnabei.com/uploadfile/file///2021090313035917.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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