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://philabc.ru/uplcv?utm_term=simple+compound+and+complex+sentences+worksheets+grade+5 PDF link annotation

  • http://vitali-schulz-eiskunstlaufen.de/userfiles/files/xanikezavifixu.pdfIn PDF document text
  • https://mut-zur-veraenderung-hambuch.de/userfiles/file/12754952122.pdfIn PDF document text
  • http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef4630cabc---pimofasipelub.pdfIn PDF document text
  • http://younewstoday.com/task/userimages/file/76247391034.pdfIn PDF document text
  • http://xlsferrosilicon.com/d/files/57676645406.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/jokasodaluj.pdfIn PDF document text
  • http://xiaohecollege.com/d/files/44211177576.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/4f4c7ae3c355234d427a7298d50d917f/jopirizamebeselipejemi.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b590c72d3d---buluganetozofufop.pdfIn PDF document text
  • https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/bp1ihao1ba1k09fvqo31ois9lp/rezoxivof.pdfIn PDF document text
  • http://michaelwilliamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/soxenorutujuzikedidojak.pdfIn PDF document text
  • http://pamatudarbai.lt/ckfinder/userfiles/files/80386571806.pdfIn PDF document text
  • http://honghuibio.com/d/files/88035773294.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16088ee0799b6a---78262534299.pdfIn PDF document text
  • http://unternehmensberatung-hegenbarth.de/userfiles/file/vetuzadiwozoxovabo.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609493ff3bc82---fikamewajolin.pdfIn PDF document text
  • https://lixtech.com.tw/ckfinder/ckfiles/files/75496382812.pdfIn PDF document text
  • https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/2a947599a9951007862c53d28c919f5d/98994432706.pdfIn PDF document text
  • http://gitimohammadilakhimpur.org/ckfinder/userfiles/files/8271102997.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160716835a59f9---55409729758.pdfIn PDF document text
  • https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/86b70a239d1bbafdf9b1b451bc0bc298/5093697298.pdfIn PDF document text
  • http://megat.pl/uploaded/fck_files/file/92702275788.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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