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://infrive.ru/uplcv?utm_term=frequency+of+red+and+blue+light PDF link annotation

  • https://serrechevalier-skifun.com/imagesfile/podevilibodox.pdfIn PDF document text
  • https://youkuvpn.com/upload/files/99414083589.pdfIn PDF document text
  • https://lemonsport.sk/upload/file/92888450408.pdfIn PDF document text
  • http://turinhotelcompany.com/userfiles/files/23906451464.pdfIn PDF document text
  • http://topp.pl/_topp/file/83826642529.pdfIn PDF document text
  • https://oncallanatomist.com/ckfinder/userfiles/files/nininan.pdfIn PDF document text
  • http://asorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/juxorekixebelunu.pdfIn PDF document text
  • https://viettincapital.vn/upload/files/98138564988.pdfIn PDF document text
  • http://arc-en-cielproduce.com/ckfinder/userfiles/files/badimuveke.pdfIn PDF document text
  • https://altinhediyeler.com/calisma2/files/uploads/58842078422.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/9be2fae29ab1c0d197c69f329521c70f/3972912181.pdfIn PDF document text
  • https://ist-lb1.istanajp.com/contents/files/36047790779.pdfIn PDF document text
  • http://librojuridico.com/aym_images/files/40757241227.pdfIn PDF document text
  • http://myphamasia.net/upload/files/57257810062.pdfIn PDF document text
  • http://rucodelniza.ru/userfiles/file/36880656831.pdfIn PDF document text
  • http://ciskmv.com/css/file/mumigotadinotizijebarero.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/f771c66bc87247c27e3b26d7397345a7/jogijudaxipi.pdfIn PDF document text
  • https://namphuctourist.com/userfiles/file/tiposufi.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/giwadivesabadabo.pdfIn PDF document text
  • https://sreekanakananda.com/ckfinder/userfiles/files/39061658999.pdfIn PDF document text
  • http://poultech.net/d/files/dotez.pdfIn PDF document text
  • http://speed-r.com/js/upload/files/konamamavotofonefog.pdfIn PDF document text
  • https://www.moxiclear.com.au/application/third_party/ckfinder/userfiles/files/kovoravunuz.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139e741bff5d---12675669938.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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