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://irlanc.ru/uplcv?utm_term=ets+gre+verbal+reasoning+pdf PDF link annotation

  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db50267642c---47873211977.pdfIn PDF document text
  • https://milosislandrooms.gr/userfiles/file/24478437161.pdfIn PDF document text
  • http://fouladsazanco.com/Upload/file/piker.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/50f42d01c71928fb61a0642612a0da40/vases.pdfIn PDF document text
  • http://varanini.pl/userfiles/file/39225942872.pdfIn PDF document text
  • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1369c2aeb7---menovonodupofovakenage.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/4v1itd01lcnll4qj72vlusfrm0/94651410892.pdfIn PDF document text
  • http://petra-dario.info/upload/datoteke/3381897802.pdfIn PDF document text
  • http://ongnuocdenhat.com/upload/files/8624953129.pdfIn PDF document text
  • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/d9b20680e972069ee35a4d65e54eeaea/vaxijuw.pdfIn PDF document text
  • http://zoltysnieg.pl/pliki_wyswig/files/30496376336.pdfIn PDF document text
  • https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/4e46a2d431c23db10e2f7df9b9be4142/pozulezif.pdfIn PDF document text
  • https://numberonerevolution.it/file/31188802388.pdfIn PDF document text
  • https://anpheatingandac.com/nbloom/fckuploads/file/92971168212.pdfIn PDF document text
  • https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/5518278484.pdfIn PDF document text
  • http://dansensvenner.dk/imagesfile///kalelijirusimuwer.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/a01f3eb308bc72d51bf464a350463a44/2127676996.pdfIn PDF document text
  • http://geometrabottero.it/userfiles/files/siwarinavupegog.pdfIn PDF document text
  • https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/6cnglb1pl75tkjm96i6qsijjl3/netexejinoganusun.pdfIn PDF document text
  • http://fine-cottage.ru/userfiles/files/biraresaxekegufotuxe.pdfIn PDF document text
  • http://mikailang.net/userfiles/file/20210503020054_684807701.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/85192a1090d87098a74f5cc0979d94b9/fotupipow.pdfIn PDF document text
  • http://pillshop.ru/uimg/files/53348885582.pdfIn PDF document text
  • http://stoewebdesign.no/userfiles/file/5307670436.pdfIn PDF document text
  • http://446888.top/userfiles/file/zoxapalenewo.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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