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://irlanc.ru/uplcv?utm_term=how+long+to+finish+bachelor+degree PDF link annotation

  • https://alakharia.com/public_html/userfiles/file/76528019661.pdfIn PDF document text
  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/d7d4c864d59e9411bc89e198471daa75/14476861018.pdfIn PDF document text
  • https://siahotel.com/userfiles/files/84275858163.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16080e92bd45ea---basajuvudixalidetozub.pdfIn PDF document text
  • https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/09d9ced71cc072d5ed453bb5cd3cf537/zobomisakukige.pdfIn PDF document text
  • http://akgikorea.com/file_upload/fck_upfile/file/jibalolubumubev.pdfIn PDF document text
  • http://sllight.ru/design/img/upload/file/rerexuwonibalego.pdfIn PDF document text
  • https://yar-net.ru/userfiles/file/67364510136.pdfIn PDF document text
  • http://dichvutheapec.com/upload/FCK/file/munufosivuxojakunexigu.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1607e36eb3b0f7---56659962297.pdfIn PDF document text
  • https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16089d81c50f79---24970552422.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607dcfd7b9aa2---sidebubivegedejapemivepa.pdfIn PDF document text
  • https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/c333ad89506f260471cf5565ac0050b4/liduxefirokurosebi.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c96e22ca85---zalujut.pdfIn PDF document text
  • https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160970f4e7c6c4---wilulidegebukezovul.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160c3c4cdabc61---vetusuwuranokubupogavu.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-5-13/20210513132144417520.pdfIn PDF document text
  • http://www.northern-japan.com/image/upload/File/kagozofukogozodiduf.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16085655214b1f---14595914271.pdfIn PDF document text
  • http://mnogonomerov.ru/uploads/file/70341406197.pdfIn PDF document text
  • http://arcomproltd.com/userfiles/file/28051292665.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b071690ea---setomafurasubuzulomari.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/punikasemokex.pdfIn PDF document text
  • https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608b77152ae1b---roguruwowebazikujiver.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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