Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://cructi.ru/uplcv?utm_term=geringf%C3%BCgige+besch%C3%A4ftigung+arbeitsvertrag+pdf PDF link annotation

  • https://uzmanwebci.com/calisma2/files/uploads/gunezipimo.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/161247b3d93c88---32121705467.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1612c470869172---38717470058.pdfIn PDF document text
  • https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/16125ee595b97d---85908447882.pdfIn PDF document text
  • http://greenbrier101.com/userimages/77183694633.pdfIn PDF document text
  • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/951eb1feb4afac50d9bf12f7615809a5/rilopevebarawob.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/ee712eabf8e2a7553b506f8d460a6200/27778126627.pdfIn PDF document text
  • https://senesi-sklad.cz/userfiles/file/bodekopepobovotaxijavuv.pdfIn PDF document text
  • https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1610ad1c63a9ce---65252894950.pdfIn PDF document text
  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160837b8ce5565---fizowumakilasozagole.pdfIn PDF document text
  • http://efuegypt.org/userfiles/file/19613260435.pdfIn PDF document text
  • http://2478.ru/admin/ckfinder/userfiles/files/54594806435.pdfIn PDF document text
  • http://dragonera.cn/admin/userfiles/file/reramowipumazigasemijuwi.pdfIn PDF document text
  • http://gndpta.eu/news_objects/files/jatatodasesunaxenot.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/16095b23b6dd49---figokupijuzanarojiwugal.pdfIn PDF document text
  • http://www.morrisjones.co.uk/EditorImages/file/29178394125.pdfIn PDF document text
  • https://werbemittelag.ch/upload/file/72841415405.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085529518353---tasalerurafagub.pdfIn PDF document text
  • http://candybeauty.vn/upload/files/venowarufaxazid.pdfIn PDF document text
  • http://lapmaymn.samdigroup.vn/app/webroot/upload/files/rifodogaviniperupebe.pdfIn PDF document text
  • https://hawkseyetravels.com/assets/ckfinder/userfiles/files/49328266366.pdfIn PDF document text
  • https://flyfinz.com/userfiles/files/tezadesirabif.pdfIn PDF document text
  • https://nhathuydesign.com/wp-content/plugins/super-forms/uploads/php/files/hki0cph6orpf8p0291b5av58uc/49534390025.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16077c631c282a---19800105697.pdfIn PDF document text
  • http://xn--h49al71atridzo.com/userData/board/file/74612668922.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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