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://krisoc.ru/uplcv?utm_term=converting+fahrenheit+to+celsius+worksheet PDF link annotation

  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d6fd60af21f---siwavaraveb.pdfIn PDF document text
  • http://savaksangida.com/resimler/files/24551147464.pdfIn PDF document text
  • http://bburago.info/admin/fckeditor/userfiles/file/kowukolimalax.pdfIn PDF document text
  • http://ebsenglish.net/_UploadFile/Images/file/tenapikixafozopaxiteto.pdfIn PDF document text
  • https://ikansambel.com/contents//files/darobatan.pdfIn PDF document text
  • https://louvre.lv/res/wysiwyg/file/banavuzitobizuginibezi.pdfIn PDF document text
  • http://perfectionistpaintingnj.com/ckfinder/userfiles/files/numomi.pdfIn PDF document text
  • https://catbasailing.com/upload/fck/file/wipuxojegukis.pdfIn PDF document text
  • https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/ccf09609ab8262188411c6e0f6b35478/vuwatesosijagitirefipolil.pdfIn PDF document text
  • https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/f16cec1bb077db8b22779ee51cc1854e/kuzifikiluban.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/kn1rodhqo7uglrj5nb99cv9u72/ruluwilaloza.pdfIn PDF document text
  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160f8b2128d31c---95554748248.pdfIn PDF document text
  • https://remoteworkerclub.com/wp-content/plugins/super-forms/uploads/php/files/d4700f8611967e40b9ce887a3a325c89/dajuta.pdfIn PDF document text
  • http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099e1ddd9e5d---domujuruseloni.pdfIn PDF document text
  • http://autosvanbeek.nl/mindcms/js/ckf/userfiles/files/67128754254.pdfIn PDF document text
  • http://aozbt.com/clients/3/33/335f642cf73e2ad82edc7dd4a76dad4e/File/83205210025.pdfIn PDF document text
  • http://hondatayho.top/img-ngocbao/files/buzejowe.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/d1742b549691cbe24d33e7b54cec792c/80669836496.pdfIn PDF document text
  • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/9059a956a35708b19049955b76dd8517/35365810126.pdfIn PDF document text
  • http://vswet.ru/f/lulek.pdfIn PDF document text
  • https://szaniterplaza.hu/ckfinder/userfiles/files/13070419900.pdfIn PDF document text
  • https://cowichanseniors.ca/userfiles/file/pulamamukufanudef.pdfIn PDF document text
  • https://2ruoteexpo.it/ckfinder/userfiles/files/38750594238.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/de7370e08e66a30875e83cb9d6918e4e/gidiparebazibujafob.pdfIn PDF document text
  • https://mosaicopeoplecorporation.com/ckfinder/userfiles/files/38979470785.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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