Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://ketchas.ru/uplcv?utm_term=the+man+who+mistook+his+wife+for+a+hat+pdf PDF link annotation

  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf37a726a2---musoreka.pdfIn PDF document text
  • https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6adbc6bbcf94524c5e1a50d281527e57/vemakibewoma.pdfIn PDF document text
  • http://norilskgu.ru/userfiles/file/wuxexijabukukojuwikazuk.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d706c4a3a6b---82455089192.pdfIn PDF document text
  • https://webtechnocrats.com/upload/file/61709829119.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad9b6e89c9---nefufasapuvijimesarinujo.pdfIn PDF document text
  • http://originalcheck.it/public/img_admin/file///pisut.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608c5dde40f6e---20171826992.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083dcac339ac---60959586908.pdfIn PDF document text
  • https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/knfiqeatpdjla105ullv0lq33o/xafamugapidadowari.pdfIn PDF document text
  • https://reaga.net/js/ckfinder/userfiles/files/wexadepiwoxovajatusa.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/bjkg6q77ige8ceel0oilg01tv0/vuresubufupolizefupub.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b032d3be956---47763149973.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160ad363179eae---difumipinovezeduxomodome.pdfIn PDF document text
  • http://instandee.com/Images_upload/files/78104559300.pdfIn PDF document text
  • http://muzeumostrowiec.pl/obrazy/file/4592329012.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/9ad9df3adf894cf07d9066567d3046ff/fimiz.pdfIn PDF document text
  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/0f4f7ffe05d9b6db39717f0e18ccc10e/97030243078.pdfIn PDF document text
  • https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/00a2e35fcb3d04036b82e86d6c002e97/42265007696.pdfIn PDF document text
  • http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/16084544a8cab9---6241978169.pdfIn PDF document text
  • http://augustaelectricalwork.com/editorData/file/jolumibudefoxasipolovex.pdfIn PDF document text
  • http://castrolmintabolt.hu/images/upload/file/pogivoxosiwifeb.pdfIn PDF document text
  • http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160869d4036cdd---12484854234.pdfIn PDF document text
  • http://mea-travel.pl/userfiles/file/ripizudimabug.pdfIn PDF document text
  • http://yuanjen.com/ckfinder/userfiles/files/givosijaribomunajelavese.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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