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://archism.ru/uplcv?utm_term=talking+tom+and+friends+download+free PDF link annotation

  • https://www.q-jin.ne.jp/ckfinder/userfiles/files/52923774729.pdfIn PDF document text
  • http://facyt.com.ar/ckfinder/userfiles/files/mofazadibivojivunanupu.pdfIn PDF document text
  • http://electronicaindex.nl/images/uploads/liwejemewikelufibetosani.pdfIn PDF document text
  • https://chmelo.hu/sites/default/files/file/75378275871.pdfIn PDF document text
  • http://brianhaymore.com/images/e/file/93738779694.pdfIn PDF document text
  • http://gazosilikatnn.ru/uploads/files/tezumijinepawobe.pdfIn PDF document text
  • http://dvg.asia/ckfinder/uploadfiles/files/62622734277.pdfIn PDF document text
  • https://chatham-ebenezer.ckdomain.com/uploads/userfiles/files/tiparewidonunotinov.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613913802198b---34210189363.pdfIn PDF document text
  • https://tutorlookup.com/ckeditor/ckfinder/userfiles/files/88358866080.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16141c288a3fa1---wofalazonureki.pdfIn PDF document text
  • http://zonazero.es/userfiles/file/bafejunakivaf.pdfIn PDF document text
  • https://pcparts.fr/ckfinder/userfiles/files/73316299456.pdfIn PDF document text
  • http://esoftland.com/userfiles/file/xupovidososer.pdfIn PDF document text
  • https://tainandentist.com/uploads/files/202109081715299952.pdfIn PDF document text
  • http://interno-kazan.ru/upload/files/fuzufil.pdfIn PDF document text
  • http://etoprosto.ru/ckfinder/userfiles/files/wegekebawifawidurolinisof.pdfIn PDF document text
  • http://maydemtienvn.com/upload/files/83823318361.pdfIn PDF document text
  • http://marchmont.ru/imgs/file/46714681383.pdfIn PDF document text
  • http://algarestofos.pnh.pt/js/ckfinder/userfiles/files/73783028767.pdfIn PDF document text
  • http://networkinglikepro.com/ckfinder/userfiles/files/78691644988.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/da6085cdc800bdb9e44c46cafae10597/vamejimizaxefonujula.pdfIn PDF document text
  • http://location-venise.com/italie_documents/files/58448049007.pdfIn PDF document text
  • http://zs.tom.ru/jsplugins/ckfinder/userfiles/files/kifovefulovokugir.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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