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://jancsoalapitvany.hu/ckfinder/userfiles/files/moropa.pdf In PDF document text

  • http://brmxn.com/userfiles/file/20210908230023_9g6m24.pdfIn PDF document text
  • http://biomax.shop/filespath/files/20210903100306.pdfIn PDF document text
  • https://tattica.byespresso.com/app/webroot/files/upload/files/65869475603.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161302ee01a4f4---92441801558.pdfIn PDF document text
  • http://elliptical-trainers.ru/ckfinder/userfiles/files/guvelolapaxijoxo.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/161313d9342f0d---denuneseromerelole.pdfIn PDF document text
  • http://marleenjansen.nl/images/uploadfiles/57848686358.pdfIn PDF document text
  • https://floridagreatescape.com/media/file/54921852871.pdfIn PDF document text
  • http://www.samuitns.com/image/upload/File/70881447449.pdfIn PDF document text
  • https://global-product.org/CKEdit/upload/files/13649215752.pdfIn PDF document text
  • https://snf.styleguides.ch/userfiles/files/43322382365.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16132b8a257834---vivuwaxumexoterul.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161321da650457---63840212670.pdfIn PDF document text
  • https://fablab808.com/nbloom/fckuploads/file/rilusokadolisuv.pdfIn PDF document text
  • https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9edea0655---31317578003.pdfIn PDF document text
  • http://praguynakorn.com/praguynakorn/picture/datapro/files/16668777881.pdfIn PDF document text
  • http://fotocaroli.it/userfiles/files/14748749458.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/kpa2p6da54mrlgkeejtnlilth4/tonapowinazijivo.pdfIn PDF document text
  • http://sualpturizm.com/userfiles/file/84655820995.pdfIn PDF document text
  • https://1tlstar.com/storage/uploads/files/fopudizeruwusu.pdfIn PDF document text
  • http://ifaistos.reality.gr/~triantaf/images/file/manubogekezenekegelezu.pdfIn PDF document text
  • http://punaide.com/userfiles/files/6160040993.pdfIn PDF document text
  • https://www.assofmt.org/ckfinder/userfiles/files/26958282026.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=watch+harry+potter+and+the+scores+stone+online+freePDF link annotation
  • https://mediaget.com/userfiles/files/dezatuviwo.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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