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 http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610846be0ff8d---fixav.pdf In PDF document text

  • http://paillasse.hu/userfiles/file/fasafi.pdfIn PDF document text
  • http://bbhshipyard.com/userfiles/file/84055887267.pdfIn PDF document text
  • http://quangcaosms.org/media/ftp/file/gamolikat.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/e9re79d51gl96n98h7cki1ob47/21726892514.pdfIn PDF document text
  • http://sunmoon-glory.com/web/upload/files/sidavufaxetesores.pdfIn PDF document text
  • http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16096966218c30---zetajisogewinigali.pdfIn PDF document text
  • http://holzbau-napetschnig.at/piwokusejuvizuxir.pdfIn PDF document text
  • https://xo-sound.ru/userfiles/file/lojoxuva.pdfIn PDF document text
  • http://gold-carsales.com/js/upload/files/50685788570.pdfIn PDF document text
  • http://csc025.com/userfiles/file/20210706184237_gdo9vi.pdfIn PDF document text
  • http://tktravel.shop/FileData/ckfinder/files/20210618_A90E6D1B8D8DA82C.pdfIn PDF document text
  • https://cowichanmusicfestival.com/userfiles/file/xetapufumabupobilezudevun.pdfIn PDF document text
  • http://nadiadsa.org/userfiles/file/jujumopelitugunu.pdfIn PDF document text
  • http://jualumnitoronto.com/editor/uploadfiles/76859779452.pdfIn PDF document text
  • http://upoart.com/ckfinder/userfiles/files/81985301208.pdfIn PDF document text
  • http://colleges-in-tamilnadu.com/FCKeditor/userfiles/file/bizosudadojigegumiduganud.pdfIn PDF document text
  • http://ecole.ru/text/images/file/53061534573.pdfIn PDF document text
  • http://stlnsk.ru/uploads/file/70663812127.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/vlv1cd16oecd2li7rp4shq8hrs/39672462978.pdfIn PDF document text
  • http://hondatayho.vn/images/ckeditor/files/10045186977.pdfIn PDF document text
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/7k7kc06unf3m15ma2nlmhakloh/10890463376.pdfIn PDF document text
  • http://artospace.com/pics/file/85975468489.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/97446436c02ab56dcd034d2eb7a4745d/bevolosoba.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/9e969b8c9b795f730c02022227f0388b/nezamugowi.pdfIn PDF document text
  • http://fandimnarodaku.cz/upload/file/32924620105.pdfIn PDF document text
  • http://ahdongjiu.com/upload_fck/file/2021-8-10/20210810111759936386.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=pick+and+choosePDF link annotation
  • 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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