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.
• 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://inwebjor.ru/uplcv?utm_term=inflammatory+bowel+disease+journal+pdf PDF link annotation

  • http://yalciniskele.com/imgup/file/wuzikomifiwojivirovikumo.pdfIn PDF document text
  • https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/fonelafudulitomo.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d21df537d1a---98277946136.pdfIn PDF document text
  • https://rowadalbyt.com/userfiles/files/15379013724.pdfIn PDF document text
  • http://zoltysnieg.pl/pliki_wyswig/files/44722259506.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3277b6faea---4986749072.pdfIn PDF document text
  • https://all-stage-meditation.tw/uploads/files/60dde8e55d490.pdfIn PDF document text
  • https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/a6dd656726e3e069393046dfff0f46bf/71403574107.pdfIn PDF document text
  • http://ufnk.fr/app/webroot/files/file/kesafobuvewuwiboz.pdfIn PDF document text
  • http://secretlove.ch/ckfinder/userfiles/files/97046928382.pdfIn PDF document text
  • https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609f38bdc2d2f---jitofiwanuza.pdfIn PDF document text
  • http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160937f56d0706---bigitojonafoxurubise.pdfIn PDF document text
  • https://globalathena.com/ckfinder/userfiles/files/23721932674.pdfIn PDF document text
  • https://silky.ae/images/bulk_images/files/pixipukesuxar.pdfIn PDF document text
  • https://avenue102.com/uploads/file/55207372780.pdfIn PDF document text
  • http://bjhtdszdh.com/v15/Upload/file/2021591415508681.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1610bf7a6afefd---91335839984.pdfIn PDF document text
  • http://gdwtechnology.com/fckeditor/file/63101524741.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/xatewawibudafap.pdfIn PDF document text
  • http://princeverma.in/uploads/files/bovapi.pdfIn PDF document text
  • http://dush-kz.ru/uploads/fck/file/fubow.pdfIn PDF document text
  • http://mariamozharova.ru/uploads/files/94055116885.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/unnut1sll13c5d4dim7naohamv/49416287521.pdfIn PDF document text
  • https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb7bcd42cb---31627494563.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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