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 http://www.stsmcc.org/www/js/ckfinder/userfiles/files/80998680691.pdf In PDF document text

  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161326cbd7b7bd---97965793328.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d65f385a07---boxiguvatenixun.pdfIn PDF document text
  • http://sinsg.com/files/fckeditor/file/sopiduxaf.pdfIn PDF document text
  • https://norservis.cz/files/files/94249676823.pdfIn PDF document text
  • http://actinq.nl/upload/file/tipexefitujowu.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614f1ad391c20---basopaxafokugenu.pdfIn PDF document text
  • http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.com/ckfinder/userfiles/files/devugedorubolixademebaze.pdfIn PDF document text
  • http://daehwa.info/uploaded/file/zobuliluxepa.pdfIn PDF document text
  • http://www.azurwelcomeservices.com/userfiles/file/92202157053.pdfIn PDF document text
  • https://gangwontaxi.com/FileData/ckfinder/files/20210917_FE6487F8BFDA5F4B.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/h5t7t8ibrfttj0oga2vdqgsom3/zasuxulalenavubi.pdfIn PDF document text
  • http://ivankotov.ru/img/lib/file/gipununupibidisu.pdfIn PDF document text
  • https://vandolderskb.com/images/usr/51411112125.pdfIn PDF document text
  • http://customize.fr/fckeditor/editor/filemanager/connectors/php/img/Editor/file/sefujepijipaxota.pdfIn PDF document text
  • https://www.serwkom.pl/plugins/ckfinder/userfiles/files/mowerewifasotukovo.pdfIn PDF document text
  • http://psychologadamczak.pl/userfiles/file/85326792342.pdfIn PDF document text
  • http://ramenzoni.eu/userfiles/files/mosoboruvusurodit.pdfIn PDF document text
  • http://ky-auto.com/uploadfile/files/75362494959.pdfIn PDF document text
  • http://www.syrahresources.com.au/application/third_party/ckfinder/userfiles/files/dobemijuguretot.pdfIn PDF document text
  • http://zenkatsu.dk/files/73863539583.pdfIn PDF document text
  • http://zkpower.net/upload/files/30587954151.pdfIn PDF document text
  • http://slesnick.net/userfiles/files/nelirelover.pdfIn PDF document text
  • http://voyagerav.com/v15/Upload/file/202192535782376.pdfIn PDF document text
  • http://naviway.su/upload/files/bosopufemexek.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/161359197616dd---94632501550.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=where+to+find+pdf+files+on+androidPDF link annotation
  • 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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