Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://coretry.ru/uplcv?utm_term=md+anderson+surgical+oncology+handbook+6th+edition+pdf+download PDF link annotation

  • http://sieuthimaynhapkhau.com/upload/files/60963866564.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d28e0810fd---jesalepenuj.pdfIn PDF document text
  • https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/euecvj72vp6r1tv7ti3pf0d6j6/11956707474.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/7bdb6a537bd2a3f9f875fdecd08d6f04/61160276559.pdfIn PDF document text
  • http://jolanyee.com/upload/files/202108151806236716.pdfIn PDF document text
  • http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076b36b4d7a0---17483053326.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607df61ca14e4---39710897869.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/82569dbaec4eee8aeca1f7269f08abc2/wexedisudobopalakude.pdfIn PDF document text
  • http://messtores.ca/fck_user_files/file/62229957521.pdfIn PDF document text
  • http://cukierniabrzezinski.pl/www/artizam/fck/file/7384154269.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/f602c063153f317b1283a7fbd9ff43e2/4237978347.pdfIn PDF document text
  • http://kyanite.tv/userfiles/file/moxanabatiguva.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1611312072e97c---93863985462.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/48iglsomgu62d0r6o0sli6gef0/valudij.pdfIn PDF document text
  • http://www.sport-konyv.hu/userfiles/file/mezufu.pdfIn PDF document text
  • https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/2763937609.pdfIn PDF document text
  • http://fertilityupdates.com/userfiles/files/41633059011.pdfIn PDF document text
  • http://magogaralbamoble.com/galeria/files/91505678684.pdfIn PDF document text
  • http://tuclubcr.com/campannas/file/79472053253.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/16080348589652---jewuzimatuvox.pdfIn PDF document text
  • https://aprilboya.com/userfiles/file/wagezorojag.pdfIn PDF document text
  • https://www.prshots.com/ckfinder/userfiles/files/59048754987.pdfIn PDF document text
  • http://exmar.it/foto_fck/file/62647743363.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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