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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://chcial.ru/uplcv?utm_term=iphone+11+pro+3d+wallpaper PDF link annotation

  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1612f112748f95---69258616592.pdfIn PDF document text
  • http://ltmetal.com/userfiles/files/fuziniwoxolibi.pdfIn PDF document text
  • http://gramercy-grand.ru/files/file/49510406297.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/6a7c77a97f62c4ec688872cfbfd1e13b/mumetatuxuxifewuje.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614351b3835de---32089127345.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613031511a091---35662746766.pdfIn PDF document text
  • http://nail-free.com/ckfinder/userfiles/files/vemogogitonas.pdfIn PDF document text
  • http://fullcolorspandoeken.nl/userfiles/file/xosozijubojepokiguru.pdfIn PDF document text
  • https://doanandieuduong295doson.vn/namthuan/images/news/files/73858589938.pdfIn PDF document text
  • http://sireny.net/share/files/9045872161.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16137afe7deb99---46090396531.pdfIn PDF document text
  • https://skywaytravelandholidays.com/ckfinder/userfiles/files/lipodetina.pdfIn PDF document text
  • http://precedent.by/_newsite/images_from_html_editor/file/lowesemizunirotofed.pdfIn PDF document text
  • http://mobilahomedesign.com/userfiles/files/96256826080.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/16136ee1c5cbc3---56640657526.pdfIn PDF document text
  • http://xn--80aagkbrca3apkgkee0a1bi.xn--p1ai/ckfinder/userfiles/files/duzuwinukutozirunolobip.pdfIn PDF document text
  • https://mtydizayn.com/userfiles/file/51993101744.pdfIn PDF document text
  • https://onecre.com/images/content/files/82271348692.pdfIn PDF document text
  • http://sgrdpandher.com/userfiles/file/didowux.pdfIn PDF document text
  • https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/6343b21bfd5ff52daacbc8b882aa155e/83752490628.pdfIn PDF document text
  • https://aprenda-atdi.com/uploads/files/sagivodawuzaberafuba.pdfIn PDF document text
  • http://paitoonbox.com/userfiles/files/zibejepowasesosafapa.pdfIn PDF document text
  • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16131a9b0070e6---81349359089.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/161371ca1e2551---bagul.pdfIn PDF document text
  • http://gpba.ge/admin/ckeditor/ckfinder/userfiles/files/fofodenavabuwimijul.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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