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://coretry.ru/uplcv?utm_term=student+centred+learning+examples PDF link annotation

  • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/513c529a63fff88e602a3b5daa6dad8d/47442285041.pdfIn PDF document text
  • https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/lntpaurh30d6l1314b5lq6b7r2/nonaxiwese.pdfIn PDF document text
  • http://starlightcelebre.org/clients/4/43/43e9139217482d7666ce300faf566241/File/90025237543.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cdcfa118d0---97640374063.pdfIn PDF document text
  • https://marljivo.hr/userfiles/file/74340791397.pdfIn PDF document text
  • http://osc-pribor.ru/products_pictures/file/gawuw.pdfIn PDF document text
  • http://chixue.com/uploadfile/file/20210522094428.pdfIn PDF document text
  • http://renovator.cz/files/file/sizuwevepevoteguvafolola.pdfIn PDF document text
  • http://crosswaysrecruitment.com/userfiles/file/tawol.pdfIn PDF document text
  • http://gursakaryahukuk.com/images/file/17188713968.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/m6lfigld55mo7mbkqp1juqurau/majililozatemaxudosotu.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160731698c7c6a---mekelurolewupaba.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085cbdcc949a---zanugozujasodoxedak.pdfIn PDF document text
  • https://puppometalli.eu/file/fotalatexo.pdfIn PDF document text
  • http://konditsionery-reutov.ru/upload_picture/file/kutatoranupu.pdfIn PDF document text
  • https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/41cck38r0ljpst2vm0okukqm00/54968969049.pdfIn PDF document text
  • http://aelma.com/sites/default/userfiles/file/2061800291.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160971de59da28---dedafo.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/9f31e151b617a7b5b440b0055223311a/nowulenupamematojasepedok.pdfIn PDF document text
  • https://soechi.net/userfiles/file/34155569987.pdfIn PDF document text
  • http://www.deopendeur.org/imgUser/file/fipoxabagudilu.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbadd210a0---31443197959.pdfIn PDF document text
  • http://huiking.cn/uploads/file/160201501791.pdfIn PDF document text
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a532a841cc---33803192642.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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