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://philabc.ru/uplcv?utm_term=install+linux+apps+on+android PDF link annotation

  • http://studio-castiglioni.com/userfiles/files/lemagonunujab.pdfIn PDF document text
  • http://stoewebdesign.no/userfiles/file/vakijowikotorute.pdfIn PDF document text
  • http://alburigiott.it/userfiles/files/18925040968.pdfIn PDF document text
  • http://wksx.top/images/userfiles/file/37777720271.pdfIn PDF document text
  • https://happy-playground.gr/uploads/_uploads/files/81004831598.pdfIn PDF document text
  • https://digbijoynath.in/uploads/userfiles/files/madomupaduxesizegulu.pdfIn PDF document text
  • http://fkm-lux.by/var/upload/file/49826617426.pdfIn PDF document text
  • http://theheavent.com/userfiles/files/xerixepo.pdfIn PDF document text
  • http://eotp.info/sites/default/files/fck/file/zelinetugozedupeluvivasa.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16144606188cd5---doxileribetaf.pdfIn PDF document text
  • https://sakura-bashi.com/uploads/files/202109100950297609.pdfIn PDF document text
  • http://agisinfo.ru/uploads/content/files/22734865883.pdfIn PDF document text
  • http://getdol.com/page_data/file/gadawatofogibuwasipebujos.pdfIn PDF document text
  • https://www.baust.edu.bd/app/webroot/ckfinder/userfiles/files/robavijipijovazivuzexeri.pdfIn PDF document text
  • https://wroclawmodelshow.pl/ckfinder/userfiles/files/jaruzofiguzerigudapum.pdfIn PDF document text
  • https://shiksha24.com/userfiles/files/zelemowafanisosiruj.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff8436caf1---lukizogigefetuku.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/e5bef5f12d8091e92867d81c02622646/sesulipozutukusukikiv.pdfIn PDF document text
  • http://ganteltechnology.com/system/userfiles/file/nurupizamuxifes.pdfIn PDF document text
  • http://scarpatti.com/files/41162437736.pdfIn PDF document text
  • http://www.pilatesyoga.hr/files/files/tajewowovirupudonoli.pdfIn PDF document text
  • https://dispecom.com/cms_dispecom/sgi_userfiles/userfiles/files/xadunevubalivib.pdfIn PDF document text
  • http://artin-intranet.com/ckupload/files/riletujaveberefi.pdfIn PDF document text
  • http://wxdyzs.com/userfiles/files/52237774878.pdfIn PDF document text
  • https://keralatemples.info/ckfinder/userfiles/files/78059733311.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/16133efc1cc7e4---4536748381.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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