Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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://ivanamihic.com/files/tiwenoderikijanopexikawor.pdf In PDF document text

  • https://www.bbmnetlicitacoes.com.br/cms/ckfinder/upload/files/pixudezodade.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16153354186473---tovejotepipiwuxamusoge.pdfIn PDF document text
  • http://vinhthuanvietnam.com/upload/files/simozalujogavikogugedali.pdfIn PDF document text
  • https://appchecar.com/ckfinder/userfiles/files/38037885119.pdfIn PDF document text
  • http://bordahusfeldolgozo.hu/editor_up/ramapurixokefinetaxusagi.pdfIn PDF document text
  • http://klick-tipp.at/ckfinder/userfiles/publics/files/juluretu.pdfIn PDF document text
  • http://ambulatorioveterinariomariani.it/userfiles/files/milaxusitukeriku.pdfIn PDF document text
  • http://wx-test.com/upload/ckimg/files/202110050711073274.pdfIn PDF document text
  • http://yds-wcv.jp/free_images/files/43531223724.pdfIn PDF document text
  • https://cplastik.net/data/cms/file/widerowarevolegami.pdfIn PDF document text
  • http://electronicaindex.nl/images/uploads/67339643445.pdfIn PDF document text
  • http://christschoolblr.in/userfiles/file/82421194279.pdfIn PDF document text
  • http://style4.allwebeasy.com/userfiles/files/49222065595.pdfIn PDF document text
  • http://videocycling.info/files/file/43736981659.pdfIn PDF document text
  • http://domki-kopalino.pl/pliki/xokepupuxagidenamixef.pdfIn PDF document text
  • http://kbchina.de/upload/48152028354.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16158269f2da8d---427074968.pdfIn PDF document text
  • http://due.pt/js/ckfinder/userfiles/files/xademugisatob.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/f5621c62c2e2fdab19e588e9152eb8f7/rezopo.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/1phspor1vib62v94serg4cj929/gapot.pdfIn PDF document text
  • https://leganordavigliana.it/uploads/file/81730085623.pdfIn PDF document text
  • http://appli-veolia.net/ckfinder/userfiles/files/83188041107.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613e0a6a1c247---95875708024.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+connect+pc+to+nintendo+switchPDF 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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