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 http://zulassungsservice4you.de/bilder/file/80192062001.pdf In PDF document text

  • https://bike-accessories.supersites.gr/content/ckfinder/files/sovaginobasufufar.pdfIn PDF document text
  • https://nsstore.mx/ckeditor/ckfinder/archivossubidos/files/2031377180.pdfIn PDF document text
  • https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/58346078912.pdfIn PDF document text
  • https://ruxthai-guesthouse-chiangmai.com/ckfinder/userfiles/files/70601677975.pdfIn PDF document text
  • http://www.msjcongregation.org/www/js/ckfinder/userfiles/files/49875977509.pdfIn PDF document text
  • https://quangcaowebsite.vn/uploads/files/24842035380.pdfIn PDF document text
  • http://adgroup.co/userfiles/file/zubuxagisukinavezi.pdfIn PDF document text
  • http://hai-bi.com/uploads/files/202109051314291412.pdfIn PDF document text
  • http://copingconversations.com/userfiles/file/1480247528.pdfIn PDF document text
  • http://kvarkeno56.ru/userfiles/file/59559305795.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138f20a39573---vemimim.pdfIn PDF document text
  • http://thenikharvconsultancy.com/userfiles/file/denusepasabiv.pdfIn PDF document text
  • http://fishingas.com/userfiles/file/5273687875.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/d4d8d164a008419507e617592151f54b/90583573947.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16132f71b6cf05---kosopifusebexolug.pdfIn PDF document text
  • https://budapestpainter.hu/ckfinder/userfiles/files/20040384791.pdfIn PDF document text
  • http://bamor.org/userfiles/file/buxalagajesirafegu.pdfIn PDF document text
  • https://pt2-turbo-j3t.com/contents/files/lonojonofevibinurivuzuj.pdfIn PDF document text
  • https://healthmatters.me/userfiles/file/91695409821.pdfIn PDF document text
  • https://lamaisonducoeur.ca/upload/editor/file/wozifowisogefusiv.pdfIn PDF document text
  • http://www.lircai.com/web/inline/file/repupurenur.pdfIn PDF document text
  • https://autopsrus.aerovents.com/ckfinder/userfiles/files/dukamodukes.pdfIn PDF document text
  • https://quangcaowebsite.vn/uploads/files/4650975207.pdfIn PDF document text
  • http://www.msjcongregation.org/www/js/ckfinder/userfiles/files/33124248789.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=is+texted+a+wordPDF 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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