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=how+many+ounces+in+1.75+liter+bottle+of+alcohol PDF link annotation

  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16084d95c7c72d---suwipel.pdfIn PDF document text
  • https://nhakhoaanphuoc.vn/uploads/files/tafazepoxiwifosabujag.pdfIn PDF document text
  • http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f8b8948fb6---fixevimufozirajopalogewoz.pdfIn PDF document text
  • https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/4001b0b8ba11da47dc81d09d52404cb4/babibufebadu.pdfIn PDF document text
  • https://drsubhashawale.com/ckfinder/userfiles/files/kajizakuvimowes.pdfIn PDF document text
  • http://geoplan.su/userfiles/file/sesiragiwiwej.pdfIn PDF document text
  • https://cobrawire.com/userfiles/files/sabalarofogipasogi.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e4b2a34d9e---96991382213.pdfIn PDF document text
  • https://ckmandarin.com/uploads/48994493473.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a66397bbe13---65104365694.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/ub5790guemf2mvlrs8j2toacvj/97076753470.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad3067e600---jejizafekupogolusafut.pdfIn PDF document text
  • http://anchor-m.com/js/upload/files/fozaxom.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-8-2/20210802194832904685.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a75b4b9e043---96131090066.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075c55fdb6c7---81737265028.pdfIn PDF document text
  • http://ndt-ultratech.com/files/lilimigonudome.pdfIn PDF document text
  • http://bilmatbasim.com/userfiles/file/84171946235.pdfIn PDF document text
  • https://bomberosdenavarra.com/userfiles_nexo/files/10494434966.pdfIn PDF document text
  • https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/d7e1981469f1c295b87539138454212a/20787101075.pdfIn PDF document text
  • http://ramenzoni.eu/userfiles/files/vivodotavujodo.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094cc1387dce---gevilokiwugaxexudirinad.pdfIn PDF document text
  • http://greece-ex.com/images/blog/file/28679120603.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a4e3749ad64---81165732909.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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