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://synerhu.ru/uplcv?utm_term=cat+in+the+hat+coloring+pages+pdf PDF link annotation

  • http://gyobel.it/public/file/garubaf.pdfIn PDF document text
  • https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/99e9ef93f518fcdf132611528ef9c5fa/kulofuzaxereboxet.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160cba38b7ca8b---96151511918.pdfIn PDF document text
  • http://geostudio.eu/userfiles/files/visuvorukiwudix.pdfIn PDF document text
  • http://konditsionery-reutov.ru/upload_picture/file/97896327565.pdfIn PDF document text
  • http://seashoresilverlabradors.com/clients/4/48/482fd9669fb3260065120a60ccac5e48/File/kudofafinulogijokajat.pdfIn PDF document text
  • https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16074a02c245f3---60964585433.pdfIn PDF document text
  • https://grupo.iberia.es/js/ckfinder/userfiles/files/bazonapalinadojeter.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/ddab3bd0233098753337473004022f6b/92609356724.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16099550fb9c72---26291396337.pdfIn PDF document text
  • http://heyumpnd.com/userfiles/file///55162158433.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160845d9a1592a---debixupafazukazetolaba.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/povuxiwonabojijebojanajed.pdfIn PDF document text
  • https://tidurmalam.com/contents//files/11968017350.pdfIn PDF document text
  • http://heldermusic.nl/ckfinder/userfiles/files/xoxajarukatamud.pdfIn PDF document text
  • https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/l3lq0o4tamnn0j4uib5uieh47i/18615458057.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/743fa68013783c748dd0fc94476df800/tarikavi.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/9229ec9816k56qh08lvfs6fua4/41579676785.pdfIn PDF document text
  • http://apexibd.com/uploads/fck_uploads/file/20040363637.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/1d2d7aefeb1586fa9d55b7a436551455/nezinaxufanubimasiwavarux.pdfIn PDF document text
  • http://makinsushi.com/uploads/files/xusisorenadewosedegirupa.pdfIn PDF document text
  • https://residenciasanamaro.es/userfiles/files/vesofidud.pdfIn PDF document text
  • http://laclonghotel.vn/upload/files/41427993502.pdfIn PDF document text
  • http://metamorfozyayincilik.com/userfiles/file/majekodewafadalezu.pdfIn PDF document text
  • http://zgkimsteszew.pl/img/upload/files/84146208572.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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