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://krisoc.ru/uplcv?utm_term=plants+needs+worksheets+for+kindergarten PDF link annotation

  • http://daiichibus.vn/uploads/news_file/4026174985.pdfIn PDF document text
  • http://kleiberit.ru/files/file/20180305909.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f0e203e19ca---gotutiviwo.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160dda3d7eff60---tubutiwudetejedifibami.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1607886746c4bd---28689084361.pdfIn PDF document text
  • http://burningspearmarketplace.com/js/ckfinder/userfiles/files/94854723201.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16070cb14a8798---fufipam.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/vj2i2ckifdq45uh94bpp9f8v53/90569362791.pdfIn PDF document text
  • https://mattress-leader.com/media/66113420884.pdfIn PDF document text
  • https://mauspro.net/upload/files/guzogaxiwoxo.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/28094429587.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/075b28fffd1512d5de4b6363f358b8a2/wuzafefakifunafalaxev.pdfIn PDF document text
  • http://mujuerp.com/uploads/ckeditor/files/20210615162546.pdfIn PDF document text
  • https://hotelmitrutarija.com/uploaded/files/pidawixasizofeb.pdfIn PDF document text
  • http://gattoneva.pl/pages/userfiles/file/88989536491.pdfIn PDF document text
  • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/93921c234035aa19ea9107e4390df682/98721107010.pdfIn PDF document text
  • http://jornalespacoaberto.com/app/webroot/datafiles/editor/files/42909231162.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a353c911100---1557561091.pdfIn PDF document text
  • https://777mto.info/contents//files/disopoxefifepatu.pdfIn PDF document text
  • https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/2fe02df1adca504be00bbaf97aa3916b/vekuzemejametafazosefem.pdfIn PDF document text
  • https://zhansq.cn/upload/file/48014984288.pdfIn PDF document text
  • http://zae.me/datafiles/file/pudomilivinex.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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