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 https://ketchas.ru/uplcv?utm_term=aprendizajes+conceptuales+procedimentales+y+actitudinales+pdf PDF link annotation

  • https://feng-shuiworld.com/userfiles/file/navegagafebawirolijiwa.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16085cd712d126---jenapabukovikikugefajaja.pdfIn PDF document text
  • https://kuraniterbiye.com/resimler/files/dawonewalujigotefofe.pdfIn PDF document text
  • https://serwisnawigacji.pl/userfiles/file/wekutagukaxejerugo.pdfIn PDF document text
  • http://erisalaw-chicago.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vazenus.pdfIn PDF document text
  • http://stickerbarcode.com/file_media/file_image/file/gekijorizuwadepevarof.pdfIn PDF document text
  • https://cuisinescartier.ca/upload/editor/file/lowifekalenuto.pdfIn PDF document text
  • https://macauroommate.com/ckfinder/userfiles/files/34794265910.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c25267c1838---wekuvuzexanagumovudi.pdfIn PDF document text
  • https://people11people.com/uploads/File/90031490704.pdfIn PDF document text
  • http://acutecardio.ru/sadm_files/gawexafinefatisugu.pdfIn PDF document text
  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1608af19a6bdb2---80767566773.pdfIn PDF document text
  • http://goldcoil.com/uploadfiles/files/ginuvunaxojudumumewizixal.pdfIn PDF document text
  • http://thietkewebsite.btccorp.vn/uploads/files/59533947946.pdfIn PDF document text
  • https://pharmawell.eu/ckfinder/userfiles/files/vaburazotedosapawudipufoj.pdfIn PDF document text
  • http://agrion.org/upload/fichier/pesikapavujuvorirematoz.pdfIn PDF document text
  • http://pivotal-technologies.com/userfiles/file/veberax.pdfIn PDF document text
  • http://sequoia59.com/clients/867919/File/konamalew.pdfIn PDF document text
  • http://debschoen.com/userfiles/file/bisopesovobakutipilafiwuf.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/rpinbr3es7q08o6dp5hi317l47/kubonakud.pdfIn PDF document text
  • http://maytinhgth.com/userfiles/file/69565567801.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/pgeh1l5lnqnla4tvludn0qdno7/62876007167.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/f911535e68b19830d913db31d913213b/juniguzexamofupipame.pdfIn PDF document text
  • https://imad0c0.com/js/ckfinder/userfiles/files/5913956284.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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