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.
• 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://cructi.ru/uplcv?utm_term=tekken+3+apk+download+45+mb PDF link annotation

  • https://proektasis.gr/admin/spaw2/uploads/files/40153237200.pdfIn PDF document text
  • http://musclecar-taps.com/js/upload/files/45925360177.pdfIn PDF document text
  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/32aaf25a4f25e023e442a920faed15e7/82181746385.pdfIn PDF document text
  • https://angelsforwarriors.org/userfiles/files/fuzajufuv.pdfIn PDF document text
  • https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/e7adc6319325a2541007aa0034d1c470/buzamenitemojedimedetu.pdfIn PDF document text
  • http://sahcarpets.com/userfiles/file/91174508233.pdfIn PDF document text
  • https://taechoclub.com/FileData/ckfinder/files/20210909_100DF90F03D18205.pdfIn PDF document text
  • http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.com/ckfinder/userfiles/files/42784320866.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202109170043223445.pdfIn PDF document text
  • http://mitcostruttori.it/userfiles/files/wanumabejixonelu.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe8c9059f0---32913887463.pdfIn PDF document text
  • https://ubranni.com/uploader/files/xogamapojo.pdfIn PDF document text
  • http://tycoonmedical.com/userfiles/file/mosalalitodefugawini.pdfIn PDF document text
  • http://csc0535.com/userfiles/file/20210928014457_vnw7uf.pdfIn PDF document text
  • https://eurochen.com/UpFiles/WebEditorFiles/file/lojuxuf.pdfIn PDF document text
  • http://thietbimaugiao.vn/Images_upload/files/gejuxejuzatos.pdfIn PDF document text
  • http://grafitym.kz/files/file/83039690275.pdfIn PDF document text
  • https://evabizz.com/userfiles/file/1020252304.pdfIn PDF document text
  • https://ver9.sonikgps.com/ckfinder/userfiles/files/sujifabewot.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/56b03ee27b5f4359d94895bb88cea274/75515103339.pdfIn PDF document text
  • http://sanraimundo.cl/dyn/uploads/file/tagimipazupobawujakuvutep.pdfIn PDF document text
  • http://www.tamtrebinhminh.com/public/files/pegarisisudopimaxi.pdfIn PDF document text
  • http://baocaosuhoatoc.com/luutru/files/35801088071.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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