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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://medvor.ru/uplcv?utm_term=torrent+fast+furious+9 PDF link annotation

  • https://kitchensofdiablo.com/upload/file/40050749859.pdfIn PDF document text
  • https://ofcourselc.com/admin/uploadsfile/fazexuwibisefanajo.pdfIn PDF document text
  • http://www.css-jp.com/upfile/files/2021/09/17/jeregud.pdfIn PDF document text
  • https://lingchuanfloor.com/app/webroot/userfiles/files/zuxupalakipu.pdfIn PDF document text
  • https://prolocolidodisavio.org/ckfinder/userfiles/files/ralaniwitexidupoxupof.pdfIn PDF document text
  • http://bourgogne.annuaire-regional.com/ckfinder/userfiles/files/60784125729.pdfIn PDF document text
  • http://signexpowholesale.com/project-new/christianbook/upload_images/file/nowobusifuwuzake.pdfIn PDF document text
  • http://energosol.pl/images_cms/file/79534718902.pdfIn PDF document text
  • http://abwcrainhwy.com/uploads/files/70230019288.pdfIn PDF document text
  • https://tarsiman.ee/files/file/25750963810.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/hecbqrrj8lodvmgudblp5tje2o/lupijarof.pdfIn PDF document text
  • http://binhchuachay.info/Images_upload/files/pugapegojawerojedo.pdfIn PDF document text
  • http://xn----itbbfrdrdbd4bgy6gi.xn--p1ai/webroot/files/files/titimanapepogewoxekupopa.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/5bc4f20735ec9f5ee8c326e79b57b71c/72770061847.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613612658f060---14064930011.pdfIn PDF document text
  • http://adas-muko.pl/photo/file/28308897440.pdfIn PDF document text
  • http://quetthe.com/upload/files/mapor.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614518bf17a1d---68045604364.pdfIn PDF document text
  • http://hdurmuslar.com/images_upload/files/dogimexidirajatesozoliz.pdfIn PDF document text
  • http://jezirka-biobazeny.cz/UserFiles/File/60231552243.pdfIn PDF document text
  • http://secureyun.cn/uploadfile/file///2021090810003961.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614b66ac7487d---kepumofiguresikiwokemim.pdfIn PDF document text
  • http://topspeed4wd.com/ckfinder/userfiles/files/mibibexe.pdfIn PDF document text
  • https://jensbrode.de/files/file/mewubor.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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