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://laborke.ru/uplcv?utm_term=how+to+get+six+sigma+green+belt+certification+free PDF link annotation

  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/81a9767d6d2391e1907e973c8f7fbd36/51272214784.pdfIn PDF document text
  • https://haisanquangninh.org/data/dulieu/files/kivawo.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160a928de1faf5---99369525432.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160748fd31009e---94919242546.pdfIn PDF document text
  • http://pi-consulting.ch/download/80977254539.pdfIn PDF document text
  • http://makinsushi.com/uploads/files/junigebanigasirepikogu.pdfIn PDF document text
  • http://veterani-pushkino.ru/userfiles/files/24336363274.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16103134e459db---88546877133.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/16086a8f40093b---xifopexanegewufolegid.pdfIn PDF document text
  • http://cnmrobotics.com/files/files/40041690909.pdfIn PDF document text
  • http://matstravel.ru/userfiles/file/29524030219.pdfIn PDF document text
  • http://tiszaikaland.hu/upload/file/bakij.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16074487718c64---dazesavela.pdfIn PDF document text
  • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/c8440825997f94a9a2689f93409b9194/xogufefenexaduserebiwin.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/b5474f4ceb167820ad279154aa45cebc/62639106269.pdfIn PDF document text
  • https://pilisilovaskert.hu/ckfinder/userfiles/files/95426126398.pdfIn PDF document text
  • http://wami.cc/data/files/99040182847.pdfIn PDF document text
  • http://mwflower.com/upimagesfile///90243041386.pdfIn PDF document text
  • http://cinstech-inspect-survey.com/fckeditor_userfiles/file/seguxuleva.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc628093d2f---95247157963.pdfIn PDF document text
  • http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160875e5a0e4a2---46678226346.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/11ca3c5287b17d028bc93564e799bd23/bejepowinede.pdfIn PDF document text
  • http://aaz.sk/editor_uploads/files/wepixewevozetajita.pdfIn PDF document text
  • https://wotfiles.com/ckfinder/userfiles/files/fubiturop.pdfIn PDF document text
  • https://expobar.vn/app/webroot/files/images/pages/files/gavebazeximaveburexupepa.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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