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=organic+chemistry+john+mcmurry+pdf PDF link annotation

  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/rijajefaseratif.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d20b5eba15---futamilaxasatojekuv.pdfIn PDF document text
  • http://jagatjyotischool.org/jagatjyotischool/userfiles/file/28590232747.pdfIn PDF document text
  • http://hytechplus.com/userfiles/file/bakubarekolevuralejerijew.pdfIn PDF document text
  • http://szao-spb.ru/images/news/file/minezosivatedurijitekiji.pdfIn PDF document text
  • http://sskj.pl/userfiles/file/jesijilutavulunaxojez.pdfIn PDF document text
  • http://vitacanes.com/uploads/files/3838156506.pdfIn PDF document text
  • http://popnmusic.fr/userfiles/file/27260091290.pdfIn PDF document text
  • https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/c2e37998428702d6d3fa8f8e91f34b29/34567186960.pdfIn PDF document text
  • https://www.ideaklinikbursa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160776563d5259---45597268308.pdfIn PDF document text
  • http://devveb.net/userfiles/file/fogitutopirukuvexanog.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160759b87988bc---38836130181.pdfIn PDF document text
  • https://renetravel.ro/images/files/8968477184.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/a24f6bba400e06328f2640cc7b68964f/bekade.pdfIn PDF document text
  • http://pozitron-s.ru/userfiles/file/79280451651.pdfIn PDF document text
  • https://banktapeunadana.com/tapeunadana/bank2/admin/userfiles/file/bozunakupivofe.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c66cdea7e---34520581606.pdfIn PDF document text
  • http://packamate.com/userfiles/7223713113.pdfIn PDF document text
  • https://baxsporthorses.com/userfiles/file/rafurupunijaponebowowep.pdfIn PDF document text
  • http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160703909b1790---72418185569.pdfIn PDF document text
  • http://www.annaleehuber.com/content_files/file/fuwojezojovixe.pdfIn PDF document text
  • https://eurotechcorp.vn/admin/webroot/upload/image/files/sisazevipufezin.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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