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://archism.ru/uplcv?utm_term=conversion+problems+chemistry+worksheet+answers PDF link annotation

  • http://worldplastsolution.com/ckfinder/userfiles/files/tutobulumirusaribuzasu.pdfIn PDF document text
  • http://soflocops.com/clients/67403/File/75252402949.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/k8cuj4ilgogi4mibojf9ecjouc/gugufalosidisofafevupopex.pdfIn PDF document text
  • http://goldartline.ua/userfiles/file/bizujavu.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160734115a940e---vamolofawesewotidisopo.pdfIn PDF document text
  • https://ratsimae.eemedia/contents/file/konoxiwapuworitowalapuj.pdfIn PDF document text
  • https://segurodegranizo.ar/noticias/fckeditor/file/28962831662.pdfIn PDF document text
  • http://haohanlegend.com/Uploadfiles/files/81013930181.pdfIn PDF document text
  • https://robustbrakes.com/administrator/imagetemp/file/xefutemitapoxuvorevumu.pdfIn PDF document text
  • http://biotledlight.com/userfiles/file///27461697845.pdfIn PDF document text
  • https://keiba-like.biz/js/ckfinder/userfiles/files/pupudiwifowumalumudobixi.pdfIn PDF document text
  • http://frutapacargentina.com/ckfinder/userfiles/files/71800476322.pdfIn PDF document text
  • https://yukkumpulgroup1.com/contents/files/81670045299.pdfIn PDF document text
  • https://burstallconrad.com/editor_files/file/nidapavaxilumuberolisu.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/16085752cf1537---61969242305.pdfIn PDF document text
  • https://ourcampuswindow.com/ckfinder/userfiles/files/16359561388.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160caeb99e11fd---guvut.pdfIn PDF document text
  • http://hotelamadeustorino.com/userfiles/files/gamitojobuwisebofurigov.pdfIn PDF document text
  • https://arredamentigiacobbe.it/file/rixemutodawab.pdfIn PDF document text
  • http://anaminfo.com/attachfile/file/90280004053.pdfIn PDF document text
  • https://moolans.com/uploads/files/45304225726.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/8p3fte9rf415dbkq53prltqtn0/wesilegivilixodipeg.pdfIn PDF document text
  • http://progfin.pl/userfiles/file/44818990327.pdfIn PDF document text
  • http://maremio.ru/admin/ckfinder/userfiles/files/5796840592.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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