Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://coretry.ru/uplcv?utm_term=calculadora+de+ecuaci%C3%B3n+i%C3%B3nica+neta PDF link annotation

  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160dde2dc77948---16642419346.pdfIn PDF document text
  • https://textolinguisticsolutions.com/upload/editor/file/54605553041.pdfIn PDF document text
  • http://stacjaregeneracja.pl/userfiles/file/72496793104.pdfIn PDF document text
  • http://bet-balance.com/userfiles/file/wazibawakubikexido.pdfIn PDF document text
  • http://artstudiodesign.it/userfiles/files/mimig.pdfIn PDF document text
  • http://pitafest.com/clients/1/13/1337b7689af00ddd847345d48bd720ff/File/sezalatuk.pdfIn PDF document text
  • http://shbaicun.com/userfiles/file/2021072812180673499.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/0gpqf7srvrmdet6paq3i14e1fg/88680721750.pdfIn PDF document text
  • http://slenderclub.cz/ckfinder/userfiles/files/86255432527.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d54c218ee---buzexabinojulabolofoxa.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/4098fe5c27e381b9f4d1bf97de2c264a/majurotuvajifedulurazok.pdfIn PDF document text
  • https://gancza-yacht.pl/userfiles/file/64706499773.pdfIn PDF document text
  • https://palezieux.com/ckfinder/userfiles/files/jevemeporokifovefu.pdfIn PDF document text
  • http://jtour.vn/userfiles/file/dogegidozemu.pdfIn PDF document text
  • https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/n8aj8mqb2v4h0vin28as2mfdt8/12152644264.pdfIn PDF document text
  • http://bfo-walkforhope.com/clients/e/eb/ebd0efab9cd97e953e90891d9eec7aad/File/lanoborevaxukil.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608c2940cc4aa---zedamapazupakurotikep.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa21c514155---52821109998.pdfIn PDF document text
  • https://tennis94.fr/img/pics/files/33806281410.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f60e462d9c7---61262698602.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160703008efe54---zejirar.pdfIn PDF document text
  • http://medica-brno.com/files/50431447498.pdfIn PDF document text
  • https://ebdaatcoop.com/userfiles/files/kuvomufafekapurigivi.pdfIn PDF document text
  • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/2c8041bce3180f3e9dfe5b0fc5db0005/57584128826.pdfIn PDF document text
  • http://lab4050.com/upload/editor/file/47318711972.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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