Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://pistant.ru/uplcv?utm_term=powerpoint+online+sign+in PDF link annotation

  • http://laarakkers.com/ckfinder/userfiles/files/sonewide.pdfIn PDF document text
  • https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/013f1b31f425161202478510caf2eab7/lumofumemelex.pdfIn PDF document text
  • http://gd-weimi.com/upfolder/e/files/20210911035953.pdfIn PDF document text
  • http://montesantangelo.it/files/files/midifadebela.pdfIn PDF document text
  • https://wojczak.pl/userfiles/file/53076229558.pdfIn PDF document text
  • http://ikkosushi.com/uploads/files/39070735579.pdfIn PDF document text
  • http://powerfalcon.net/uppic/files/fegobabebogux.pdfIn PDF document text
  • http://www.mueblesgamez.com/ckfinder/userfiles/files/26753229158.pdfIn PDF document text
  • http://pierrevillers.fr/mairie_files/file/23406814551.pdfIn PDF document text
  • https://argumentua.com/i/file/29928948606.pdfIn PDF document text
  • https://purevdavaa.mn/uploads/ckfinder/files/70012090705.pdfIn PDF document text
  • https://highendteen.com/userfiles/files/61645575545.pdfIn PDF document text
  • https://hearing-outlet.com/uploads/files/202109151250555073.pdfIn PDF document text
  • http://zhongjiukeji.com/upload_fck/file/2021-9-17/20210917203548235108.pdfIn PDF document text
  • https://sistemagestiondpr.co/userfiles/file/gofovatukuwesubapig.pdfIn PDF document text
  • https://anitacalderon.com/ckfinder/userfiles/files/lozimemudu.pdfIn PDF document text
  • http://safiorida.nl/operatori/userfiles/file/34871389405.pdfIn PDF document text
  • http://soluzionebenessere.eu/userfiles/files/96203761174.pdfIn PDF document text
  • https://lrsinc.co/userfiles/file/sagot.pdfIn PDF document text
  • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613321549eb1e---fewalu.pdfIn PDF document text
  • http://rcp-ranstadt.us/files/vofuxog.pdfIn PDF document text
  • http://fullx.net/files/nuduwomasotixikujoperapu.pdfIn PDF document text
  • http://www.fdconsult.qa/public/uploads/cms_files/piletufowuzuwusexavoze.pdfIn PDF document text
  • http://gsxr.hu/userfiles/file/kuvabijurosoz.pdfIn PDF document text
  • http://tsg-edinstvo.ru/userfiles/file/fupaxunuxel.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/161344d520a361---30826814713.pdfIn PDF document text
  • http://imobiliariaimperio.com/files/files/90768224104.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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