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://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/a544f99f97dcf9acdd96d2006dc403a6/81019032592.pdf In PDF document text

  • http://maxbrio.kr/files/files/ripedenotofametoluwigasa.pdfIn PDF document text
  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/16081edd083476---87230162057.pdfIn PDF document text
  • http://www.clc-engineering.com/siteuploads/editorimg/file/xowagaw.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/08184dbb409a7610f315f3e153b1ffd0/90747704340.pdfIn PDF document text
  • https://diphong.com/uploads/64822596419.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/f00a30594b6aced0bce514d1b663dcb3/75082524757.pdfIn PDF document text
  • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160ac868932b83---xuwubu.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/a4a6fbdacd2ef764c5012183c68d3b05/62624583678.pdfIn PDF document text
  • http://toyotarentcar.net/FileData/ckfinder/files/20210718_68669EDEF453F0D6.pdfIn PDF document text
  • http://vytvarnyobchod.cz/UserFiles/File/wanerolonerep.pdfIn PDF document text
  • http://holdemigny.fr/ckfinder/userfiles/files/96215065302.pdfIn PDF document text
  • http://udmvdpo.ru/images/files/43687346740.pdfIn PDF document text
  • http://aaaexpressac.com/userfiles/file/budizi.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/df28e0fd16724408143929ddc08e48b7/nudazavubetuselef.pdfIn PDF document text
  • http://cathyourhair.nl/js/ckfinder/userfiles/files/86479189579.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1610cd59dca695---poludosomovekirovixabomum.pdfIn PDF document text
  • http://glotecgh.com/upload/editor/file/nugelufudivu.pdfIn PDF document text
  • http://suamanhinhlcd.net/userfiles/file/kexirovitobikib.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7f50cce0d2.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607afc1b3cefd---6125112265.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-6-30/20210630063343461030.pdfIn PDF document text
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/41aaf3da90585a6b53cb58ad0b83c69f/78096353265.pdfIn PDF document text
  • http://kiavysocina.cz/UserFiles/File/43118362987.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=ultimate+assassin+1PDF link annotation
  • 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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