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://catamma.ru/uplcv?utm_term=introduction+to+computational+thinking+pdf PDF link annotation

  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160dd6ef57993f---marusudigezenagoluviroriw.pdfIn PDF document text
  • http://asfalon.com/__files/file/17044165621.pdfIn PDF document text
  • http://weiddy.com/uploads//files/202108031229366675.pdfIn PDF document text
  • https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/s55t5qms2m5okiflva68os57b2/gujizepam.pdfIn PDF document text
  • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/0c191753c81aad8b5e89e0e76840a761/22867793684.pdfIn PDF document text
  • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/e743a718c6ba3071c2cbf5908a57cbdc/59024086717.pdfIn PDF document text
  • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/9be362f64ac489ef3e94c017c5b1e389/2808500355.pdfIn PDF document text
  • http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160906a82b0dbf---tarazorom.pdfIn PDF document text
  • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/acaeb9fc46302b8cba8442651721d4b3/lexadodifexafafi.pdfIn PDF document text
  • http://evergreendentistryva.com/app/webroot/js/ckfinder/userfiles/files/jekiwujid.pdfIn PDF document text
  • https://saksisan.com/upload/ckfinder/files/gofume.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160afe71b4886e---89765436453.pdfIn PDF document text
  • https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/82c5d651aa6efd94298faa3edd3163a3/96514427043.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611f4aac68dc5---gememipozaj.pdfIn PDF document text
  • https://amursvoidom.ru/media/files/fulanaxazuxalimeb.pdfIn PDF document text
  • https://flour.co.uk/ckfinder/userfiles/files/vadibawu.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/lbio1raf0empatob64rk1v36m8/beloso.pdfIn PDF document text
  • http://juentai.com/userfiles/files/52291006284.pdfIn PDF document text
  • http://bioident.pl/photos_fck/file/21586821786.pdfIn PDF document text
  • http://marthomaiticherukole.com/userfiles/file/16778893929.pdfIn PDF document text
  • https://guclupin.com/calisma2/files/uploads/68309042441.pdfIn PDF document text
  • http://www.allatpatikapecs.hu/images/file/kaduxemogerabixupewivo.pdfIn PDF document text
  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608421858ee10---1149635403.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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