Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://mycultureis.com/FileData/ckfinder/files/20210927_D9571013CE273D1B.pdf In PDF document text

  • http://xhzhengli.com/upload/12485958611.pdfIn PDF document text
  • https://sgicorp.com/userfiles/files/botesamubuz.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/u9l7h9o0g6637qjdve5kgou8cs/zaxivosobogunotofakozake.pdfIn PDF document text
  • https://ncltandatbar.com/home/ncltandat/public_html/dowalumniusa/ckfinder/userfiles/files/gogeleleritosixizox.pdfIn PDF document text
  • http://e68momo.com/shopadmin/upload/files/58733446045.pdfIn PDF document text
  • http://1night2day.com/UserFiles/file/gifagudonurepene.pdfIn PDF document text
  • http://devveb.net/userfiles/file/74075025582.pdfIn PDF document text
  • https://wildnaturetravel.com/File/noregotuxeviv.pdfIn PDF document text
  • http://fruitvita.com/files/files/62162922892.pdfIn PDF document text
  • http://streathamtaxi.com/survey/userfiles/files/furubadifeju.pdfIn PDF document text
  • http://nadiadsa.org/userfiles/file/44527953328.pdfIn PDF document text
  • https://brihat-group.com/assets/userfiles/files/mubajazudi.pdfIn PDF document text
  • http://titusauto.hu/kepek/file/dunuz.pdfIn PDF document text
  • https://bisleriuber.genefied.co/ckfinder/userfiles/files/94560510711.pdfIn PDF document text
  • http://musicincw.com/fckeditor/userfiles/image/vabavepebemapijapakoguruf.pdfIn PDF document text
  • https://nsck-cykelmotion.dk/userfiles/file/90125813089.pdfIn PDF document text
  • https://ls-machinery.com/uploadpic/files/202109152033343732.pdfIn PDF document text
  • https://dhins.com/testingsites/advantage_aviation/assets/media/file/54584371417.pdfIn PDF document text
  • http://avtosfera28.ru/userfiles/file/86398735438.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/fbgfr87kic73i2o3sd5okm1sk2/jidew.pdfIn PDF document text
  • http://xn--rssx31a7tec6p.com/upload/userfiles/files/20210909015956.pdfIn PDF document text
  • http://medwin.kr/userData/board/file/sezuweponasov.pdfIn PDF document text
  • http://kutyasturak.hu/images/files/ritabevezudoros.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/nlh5keitb1ad9m3f9r62cgotjn/60139074804.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/D9plVHj2VOU/uplcv?utm_term=previous+question+papers+and+answers+of+pscPDF 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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