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://laborke.ru/uplcv?utm_term=phantom+of+the+opera+piano+pdf PDF link annotation

  • http://csc020.com/userfiles/file/20210731005659_f223vo.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/1311f4d4df7149e8ccc3280a77d83866/xoxalivedopev.pdfIn PDF document text
  • http://cnzgks.com/userfiles/file///fixematititepogevi.pdfIn PDF document text
  • http://tecs4.com/intranet/ckfinder/userfiles/files/62723103618.pdfIn PDF document text
  • https://transmar.biz/ckfinder/userfiles/files/labesojorulumipefefirusik.pdfIn PDF document text
  • http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089bdbebc898---sanekila.pdfIn PDF document text
  • http://keralabiblesociety.com/fck_uploads/file/posuredonanogamu.pdfIn PDF document text
  • https://fo-prefectures.com/pages/files/79490031059.pdfIn PDF document text
  • https://dacola.com/upload/files/38193653114.pdfIn PDF document text
  • http://dgelc.com/userfiles/file/20210822170916.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9c634479f---jisekejugorowajewenazej.pdfIn PDF document text
  • http://kalikraft.com/images/file/20323087313.pdfIn PDF document text
  • https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607247615f9d5---40400992811.pdfIn PDF document text
  • https://prtl.pl/userfiles/file/78607830559.pdfIn PDF document text
  • http://fapannimario.it/userfiles/files/31181040802.pdfIn PDF document text
  • http://lse.hu/userfiles/file/96695070750.pdfIn PDF document text
  • https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/p1vb109uur3m41mrnt36h7rc49/xixone.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1610fb5ae62265---maxokusufodolajil.pdfIn PDF document text
  • https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/sfulh1rtq66aao15sic32iv52t/68477884175.pdfIn PDF document text
  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/j81qdh3hct48hv8qcvdat9a0tq/11116297180.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aec87512245---domuk.pdfIn PDF document text
  • http://bdpq.hungminhits.com/files/uploaded/files/17022506147.pdfIn PDF document text
  • http://ave-france.com/pics/files/46506188520.pdfIn PDF document text
  • http://edeins.com/userfiles/file/lekepebuginujoteniboso.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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