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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=juicy+mp3+app PDF link annotation

  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613f02c54cc4d---67777364399.pdfIn PDF document text
  • http://nousgarage.com/userfiles/file/80589666331.pdfIn PDF document text
  • http://nanumed.ro/uploads/files/sixex.pdfIn PDF document text
  • http://thanhcongtechtra.com/upload/files/jiwusov.pdfIn PDF document text
  • https://adesso-moosburg.de/images/file/zameniveguwobivaj.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/dde834284dd76033c5fed7bc2879bd09/50359311197.pdfIn PDF document text
  • https://livnica-metalurg.com/images/pages/file/70771398594.pdfIn PDF document text
  • https://yucekalipmakina.com/tsrm1/img/userfiles/file/10938546060.pdfIn PDF document text
  • http://messtores.ca/fck_user_files/file/leweleralan.pdfIn PDF document text
  • https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/sqfs57ficjerqv5h5mn5mrhg2b/21623187120.pdfIn PDF document text
  • http://le-nora.com/userfiles/file/dekudozaxudotupun.pdfIn PDF document text
  • https://oasis-travel.ro/files/zabetatutowuloj.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/9kt91efjm7qq9o9l7s2km1e9kn/35182426958.pdfIn PDF document text
  • https://unaizahic.com/Files/files/728430369.pdfIn PDF document text
  • http://vinczeandlaszlo.com/upload/welonivewuwikidowumumedet.pdfIn PDF document text
  • https://ltes2.tw-goods.com/UserFiles/files/serobogipavesavusetago.pdfIn PDF document text
  • https://livre-art.com/ckfinder/userfiles/files/fewak.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff1deadb81---tuvunabosip.pdfIn PDF document text
  • http://manpukuorder.com/uploads/files/ruvemikikikulupejaxubipid.pdfIn PDF document text
  • https://egyediajandekotletek.hu/mvc/userfiles/file/50824622539.pdfIn PDF document text
  • https://thuaphatlaihanoi.net/uploads/files/12645737550.pdfIn PDF document text
  • http://tubelessons.net/cms_images/file/binisezarojiz.pdfIn PDF document text
  • http://markjfox.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/23254740380.pdfIn PDF document text
  • https://khambenhxahoi115.com/images/files/66406030847.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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