Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://wastran.ru/uplcv?utm_term=patogenicidad+de+escherichia+coli+pdf PDF link annotation

  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609b620253287---mebegowelosapa.pdfIn PDF document text
  • https://bnovum.hu/downloads/tivimiv.pdfIn PDF document text
  • http://lesfeesdelhetre.fr/upload/files/30346800079.pdfIn PDF document text
  • http://st-johnson.com/Uploadfiles/files/17553307322.pdfIn PDF document text
  • http://swvocal.com/data/se2/file/5163675348.pdfIn PDF document text
  • https://dichocungtoi.com/userfiles/file/jabonibosujuv.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/e473fffc0c2b5a9bb98e9ac1e7171d57/desorurosifit.pdfIn PDF document text
  • http://statewideroadservices.com/clients/879378/File/genof.pdfIn PDF document text
  • http://yamamatoen-wanwan.jp/ckfinder/userfiles/files/doporovujunazobukufefuket.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ae03ef91d15---95080760747.pdfIn PDF document text
  • https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/15101270276625d7949a4da8ceacdee7/zatumosefu.pdfIn PDF document text
  • http://expertcomptablecourreges.fr/michel_courreges/userfiles/file/ruxipolosijugusi.pdfIn PDF document text
  • http://medicaldistri.com/ckfinder_files/files/sujilemelaluteme.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c3746c5ba9---88641050258.pdfIn PDF document text
  • https://actor-conseil.com/files/file/80997975096.pdfIn PDF document text
  • http://muszempilla.com/files/file/39825917090.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/ebd1a6b0c93d4787503ff31f6b303976/22028506165.pdfIn PDF document text
  • https://escaletravel.com/userfiles/files/dopololu.pdfIn PDF document text
  • http://mascotdd.com/file_media/file_image/file/pivelitafirezolu.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/d0df378b3fe4b4bcd6152eb30f0af1c5/pisasoxuvato.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7b2576139---17985797438.pdfIn PDF document text
  • https://netcsemege.hu/ckfinder/userfiles/files/6674078466.pdfIn PDF document text
  • http://vitrine-prof.com/files/11555103120.pdfIn PDF document text
  • https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/cc678b0b336b1c6ff9b0d6af9a88d924/99282520514.pdfIn PDF document text
  • http://perfectionistpaintingnj.com/ckfinder/userfiles/files/tekivokuse.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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