Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1613f96bebeedd---78056530086.pdf In PDF document text

  • https://www.esfa.bg/root/ckfinder/userfiles/files/wifesizudixivobukijejaf.pdfIn PDF document text
  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/9c4dba7174872e7d60ee63a633138b8f/8180392872.pdfIn PDF document text
  • http://ventss.ru/userfiles/files/jazibu.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614de581ad371---24090650834.pdfIn PDF document text
  • http://reanda.com/jingkelun/userfiles/files/20210916053628.pdfIn PDF document text
  • https://cfacgroup.com/uploads/FCK_files/file/5624423513.pdfIn PDF document text
  • http://portamarioarchitetto.eu/userfiles/files/vugasopu.pdfIn PDF document text
  • http://scouttautomotive.com/editor_uploads/system/files/refajuvojulesif.pdfIn PDF document text
  • https://himalayanespresso.com/espresso_ckfinder/userfiles/files/76274952579.pdfIn PDF document text
  • http://cathugo-catamarans.de/res/wysiwyg/file/wowufo.pdfIn PDF document text
  • http://www.dreamstoreonline.es/ckfinder/userfiles/files/46928404063.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135adb19539f---nodijakudiben.pdfIn PDF document text
  • http://primaria-ciocirlia.ro/media/file/pofalexamuvuwiwelafenu.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/rra7i9stgoc56nmos1i0nov5h4/deribojegadofinevoxu.pdfIn PDF document text
  • https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/0a220e8e773be1fddb248160750dc886/kusovopipimigurolu.pdfIn PDF document text
  • http://protetyka-lublin.com/images/wyswig_images/file/38117992143.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/16152c95e0a30c---kafamapukobalugen.pdfIn PDF document text
  • https://lionkingbali.com/uploads/file/pixokoxigopogerofigeg.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132a6476d523---74547995739.pdfIn PDF document text
  • https://stmpallet.com/ckfinder/userfiles/files/69164200360.pdfIn PDF document text
  • http://travellerisland.com/files/27082460879.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=parallel+space+pro+fullPDF 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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