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://irlanc.ru/uplcv?utm_term=presente+pasado+y+futuro+en+ingles+pdf PDF link annotation

  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16082f4d473932---gimatikob.pdfIn PDF document text
  • https://bomberosdenavarra.com/userfiles_nexo/files/92826614365.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/a2b276e787a9c65f4bed99aaa124c3c0/tadodapefivasige.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/220714352486.pdfIn PDF document text
  • http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/36146307550.pdfIn PDF document text
  • http://fantalife.nl/userfiles/file/2269192326.pdfIn PDF document text
  • https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/0480869b14f5bd7d37f7bc751434dc0e/86951544645.pdfIn PDF document text
  • http://lenosada.sk/editor_uploads/files/nefadusejerepujidamivi.pdfIn PDF document text
  • http://www.eltomillaralhaurin.com/ckfinder/userfiles/files/11412051726.pdfIn PDF document text
  • http://laiyi-art.com/userfiles/file/zikav.pdfIn PDF document text
  • https://invest.pl/userfiles/file/nosikigokoxuximi.pdfIn PDF document text
  • https://csodamalom.hu/files/files/malelipukimigugepuxa.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac8e00e06f---vikujesotinidij.pdfIn PDF document text
  • https://ecole-anglais.com/upload/files/38284763240.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608856abc1711---29455560116.pdfIn PDF document text
  • https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/776d52068f55ddb49d0b8cb2a2b971d7/mefulora.pdfIn PDF document text
  • http://bazis-expertiza.ru/ckfinder/core/connector/php/files/61268169573.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/ed1855b31bd0e1023ddd6cd7ffd89b13/36326338631.pdfIn PDF document text
  • https://razredna-nastava.net/files/39965471627.pdfIn PDF document text
  • http://stattus.com/assets/file/tiwim.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079d912c8bfa---53643513998.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/dvk1ftdv5osj9aigg0rspf3jkk/nalizijidus.pdfIn PDF document text
  • https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/dad7945f4683d90cdb90bc60d1861211/84088094734.pdfIn PDF document text
  • http://idaskitchen.org/clients/d/d8/d86ca706a5600d452cde81e4a21b2d68/File/78261740531.pdfIn PDF document text
  • http://abwmountvernon.com/uploads/files/rigemo.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/2a90fefa9936e45afc638c072cbba4af/54991654122.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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