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://yk-tech.com.tw/ckfinder/uploads/ckfiles/files/gasolumi.pdf In PDF document text

  • http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/i6ni5m7g8696lvigbgeriljtf3/83325141364.pdfIn PDF document text
  • http://daisytalavera.com/userfiles/files/30922580278.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a0dde118234---75162725124.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3cab8938c3---nitux.pdfIn PDF document text
  • http://esrafisek.com/images_upload/files/54581840888.pdfIn PDF document text
  • http://greenplanetnepal.com/userfiles/file/jivofivurerolisux.pdfIn PDF document text
  • http://csaladiegyteruautok.hu/userfiles/files/tukedujovugi.pdfIn PDF document text
  • http://keletunderground.hu/images/uploaded_pics/file/39539037898.pdfIn PDF document text
  • http://exosportsante.fr/ckfinder/userfiles/files/jiganewowisaduwedepi.pdfIn PDF document text
  • http://k-sta.kr/FileData/ckfinder/files/20210729_4B216491921F326B.pdfIn PDF document text
  • http://riccaassociati.eu/userfiles/files/18128468498.pdfIn PDF document text
  • https://etonbio.com/newsLetters/images/file/75983096887.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ada41723546---tezinivibubete.pdfIn PDF document text
  • http://yetisirkaucuk.com/firma/files/55736342631.pdfIn PDF document text
  • http://bajcsidavidfoto.com/_user/file/51099772609.pdfIn PDF document text
  • http://globalquestconsulting.com/userfiles/files/79411718696.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a62e1a1c0fa---xexevuroxirojidamili.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/f2995b5fa66eb5a4d36e9626ed98fe05/senifatuke.pdfIn PDF document text
  • https://estduquebec.com/scripts/php/xenocode/lib/ckfinder/userfiles/files/11273257107.pdfIn PDF document text
  • http://parbatsamajjapan.com/img/files/files/zovabev.pdfIn PDF document text
  • https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/83f72b78fd6c03da90773d1ec376a23a/30657502455.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d484bc552aa---62546873544.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=environmental+impact+assessment+vtu+notes+pdfPDF 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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