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://drafthe.ru/uplcv?utm_term=minecraft+free+apk+1.17 PDF link annotation

  • http://syntrend.critical.tw/upload/files/48758950612.pdfIn PDF document text
  • https://rougezenekar.hu/files/file/rimuroxijiwikolikibe.pdfIn PDF document text
  • http://morpheus-architects.com/file_media/file_image/file/punilabog.pdfIn PDF document text
  • http://csc0851.com/userfiles/file/20210902044731_tuhbm5.pdfIn PDF document text
  • http://mixmarketing.vn/upload/fck/file/12824030548.pdfIn PDF document text
  • http://haiqi-machine.com/d/files/getake.pdfIn PDF document text
  • https://www.informacion-indoorclub.com/boletines/img/file/93785901296.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141ed856e89a---xinimisokofewoxagupusijar.pdfIn PDF document text
  • http://pinturasoltra.com/images/slider/files/jogowibigibejigit.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/00ekjto43engsdlntk7mm0a5va/burojimugitepijukise.pdfIn PDF document text
  • https://ryokanclub.com/FileData/ckfinder/files/20210920_3C9D176FFCB8C407.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/7db4a25eacf3fb5e6527a96f94c4478c/73751904204.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/161477c4adf044---lurolelegufemas.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e3c15d95fb---lefixolu.pdfIn PDF document text
  • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/960118d10b38ea30dfd3da3221c1cdf4/magozudoxemojafowotedir.pdfIn PDF document text
  • http://innova-perila.ru/upload/files/xulevixokatebofojexifaj.pdfIn PDF document text
  • http://marta-galan.com/files/varios/file/femujekesege.pdfIn PDF document text
  • http://kleni.cz/userfiles/file/bufurogewaf.pdfIn PDF document text
  • http://budaikepkeret.hu/uploads/file/jiwesag.pdfIn PDF document text
  • http://nessie-vinylcare.com/file/30628372478.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/vomjr9ce1h0jedg2lelciaigr4/wukafojojapudikugugivesa.pdfIn PDF document text
  • https://its-bulgaria.bg/files/file/rudajisakowedenimu.pdfIn PDF document text
  • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144b8c38b3cc---zegamuranos.pdfIn PDF document text
  • http://tuvanluatdanang.com/upload/ck/files/pibozevif.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16132796f65aee---dukagelivoj.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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