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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://crysiq.ru/uplcv?utm_term=wiersbe+bible+commentary+pdf+free+download PDF link annotation

  • http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/43626963114.pdfIn PDF document text
  • http://uralteplostroy.ru/content/file/40260158140.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/78a3f0ed23d19012ba1f4241dd6b00bc/posonu.pdfIn PDF document text
  • http://tiyuchangdi.com/upload_files/files/20210907_011551.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161410d9e7516b---36839601435.pdfIn PDF document text
  • http://imcborivali.org/userfiles/file/22109195445.pdfIn PDF document text
  • https://thebookonpersonaltransformation.com/FCKeditor/file/pugajabuno.pdfIn PDF document text
  • http://www.pibmg.com.br/ckfinder/userfiles/files/files/95795224452.pdfIn PDF document text
  • https://www.vpn-solutions.com.pe/ckfinder/userfiles/files/nurezusuwofozafikivulak.pdfIn PDF document text
  • http://myredm.ru/uploads/file/4939326551.pdfIn PDF document text
  • https://tumsad.org/img/editor/image/file/49697460918.pdfIn PDF document text
  • http://hpcad.pl/Upload/file/mirogedijevotefogun.pdfIn PDF document text
  • http://shiraz.sk/ckfinder/userfiles/files/jibutotuzavux.pdfIn PDF document text
  • https://grdr.org/paidel/ckfinder/userfiles/files/82984839958.pdfIn PDF document text
  • https://fulzugaskozpont.hu/files/dabometatufufewadunen.pdfIn PDF document text
  • https://confetti-seasons.ru/upload/files/ribego.pdfIn PDF document text
  • http://xyr59.com/filespath/files/20210912025029.pdfIn PDF document text
  • https://caribemed.com/userfiles/file/kulewudulemetabinas.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/7f71jqp3787v3qvnmci80bc322/zozemalavavasirodunemoner.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/427c9272883ecf092db770628bb88c6d/vusoralum.pdfIn PDF document text
  • http://www.dagmarsvendova.cz/admin/js/ckfinder/userfiles/files/38149825968.pdfIn PDF document text
  • https://baust.edu.bd/app/webroot/ckfinder/userfiles/files/53788374474.pdfIn PDF document text
  • http://saltokisport.com/uploads/files/fixivipalufajut.pdfIn PDF document text
  • http://purplebyanki-com.bvirani.com/ckfinder/userfiles/files/99975087352.pdfIn PDF document text
  • https://s-h.cc/uploads/files/202109090010026982.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/ph99u5dtl2v9n39jelhmqmnt8v/7046641015.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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