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://pistant.ru/uplcv?utm_term=energy+inputs+and+outputs+worksheet+answers PDF link annotation

  • http://openendrep.com/userfiles/files/gilifexefa.pdfIn PDF document text
  • http://yongchengtech.com/uploads//files/202108030951466881.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b88b8af4d---82071657694.pdfIn PDF document text
  • http://tortsurprise.ru/upload/redactor/files/logapijov.pdfIn PDF document text
  • https://sacc-la-chaux-de-fonds.ch/fichiers/file/fevoxufeli.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7b9730a72---69074192414.pdfIn PDF document text
  • https://www.psk.com.au/application/third_party/ckfinder/userfiles/files/povorugapidotijalixizebal.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160ad380610993---defokodelapo.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/35083717023.pdfIn PDF document text
  • http://bukharaatlanta.com/sites/default/files/file/25579235002.pdfIn PDF document text
  • https://cplastik.net/data/cms/file/95316272470.pdfIn PDF document text
  • http://colorfusion.us/admin/images/file/95044150759.pdfIn PDF document text
  • http://podushka.by/files/files/pivuzezoxevilaj.pdfIn PDF document text
  • https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/774cd1fbae0a9c98bfff93d3c9fd4992/79848169576.pdfIn PDF document text
  • https://tolgyesvolgy.hu/userfiles/file/jutojiregegabisakisekiko.pdfIn PDF document text
  • https://kartplast.com/resimler/files/68461204193.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075bccecb44f---85666419018.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/2a977cd90df8edccdc2abe818effc87b/81652280222.pdfIn PDF document text
  • https://lecachet.fr/docs/files/wewusegarozowexobolawodud.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160768e96c7651---49671850966.pdfIn PDF document text
  • https://vivekanandbawwa.com/userfiles/file/73728401430.pdfIn PDF document text
  • https://activepymes.com/pub/file/fomazog.pdfIn PDF document text
  • http://195exim.com/datas/files/dulajijonegubu.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160f62143356a3---73121915942.pdfIn PDF document text
  • https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/5oti2ngte53jlg1qsuffa9u1r8/wumanagedubi.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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