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://huntic.ru/uplcv?utm_term=challenger+comics+viewer PDF link annotation

  • http://portalinmobiliario24.com/uploades/fckeditorfile/7575740519.pdfIn PDF document text
  • https://soenen-pneus.com/upload/file/nabulelonomonej.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613a84537d5a3---906697075.pdfIn PDF document text
  • http://nhatngungoisaoxanh.com/upload/files/55570183944.pdfIn PDF document text
  • http://kingsbrite.com/kingsbrite.com/userfiles/file/87020805214.pdfIn PDF document text
  • https://kenkochaya.com/user_data/ckfinder/files/56593022595.pdfIn PDF document text
  • http://manchetenewsms.com.br/ckfinder/userfiles/files/sotutetitomusixafoxuno.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16140647502ba7---toxev.pdfIn PDF document text
  • http://kotolantopeni.cz/file/filodi.pdfIn PDF document text
  • https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/59107210843.pdfIn PDF document text
  • http://fabiocaronearchitetto.com/userfiles/files/36836449037.pdfIn PDF document text
  • http://xn--lv0az70cxar.tw/uploads/files/202109030657226630.pdfIn PDF document text
  • http://m-styleauto.com/js/upload/files/87249339099.pdfIn PDF document text
  • http://fotocaroli.it/userfiles/files/59845027053.pdfIn PDF document text
  • http://szybkieprawko.pl/szybkieprawko.pl/user/admin/fck/file/90212217016.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc482b3819---12640815271.pdfIn PDF document text
  • http://uekekb.ru/!upload/files/metolapumanafowuvujer.pdfIn PDF document text
  • http://eviljoy.com/UserFiles/File/virulizavizisinopukexudu.pdfIn PDF document text
  • http://tano-cable.com/d/files/34974902505.pdfIn PDF document text
  • http://akkoryazilim.com/userfiles/file/11344330017.pdfIn PDF document text
  • https://theshamrockpublecco.it/file/masomuzowexuzazovun.pdfIn PDF document text
  • http://opt-russtd.ru/data_center/upload_pictures/file/suremejajoteganar.pdfIn PDF document text
  • http://wernitznigg.at/files/11191038410.pdfIn PDF document text
  • http://huthamcauquanggiap.com/upload/files/vakaju.pdfIn PDF document text
  • http://togclick.com/media/userFckfiles/file/rokibepilexosapifo.pdfIn PDF document text
  • https://alev.az/userfiles/file/wesuvoleb.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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