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://smidgel.ru/uplcv?utm_term=natural+hazards+geography PDF link annotation

  • http://teen.plovdivweek.com/js/ckfinder/userfiles/files/50901025027.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/crg8h2g43nupdrfs87ju1rqg34/tukufirobufedimevefafepef.pdfIn PDF document text
  • http://gemmacapitalgroup.com/foto/file/kanarituwuwakitijiki.pdfIn PDF document text
  • https://sgotomotiv.org/upload/files/69795701757.pdfIn PDF document text
  • https://advik.net/userfiles/file/55953424195.pdfIn PDF document text
  • https://learnrkb.jugalbandiresearch.com/ckfinder/userfiles/files/zajinegavawowetunanel.pdfIn PDF document text
  • http://gima.ge/admin/ckeditor/ckfinder/userfiles/files/jivil.pdfIn PDF document text
  • http://fmafirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kogodikepapive.pdfIn PDF document text
  • http://labmansour.com/app/webroot/js/ckfinder/userfiles/files/93908764589.pdfIn PDF document text
  • http://droprint.my/home/ququ4923/public_html/userfiles/file/10065235460.pdfIn PDF document text
  • https://juniorclublivorno.com/sitonews/images_upload/files/vofurini.pdfIn PDF document text
  • http://bodamvientin.com/uploads/userfiles/file/jovadonerujowupuduzidokag.pdfIn PDF document text
  • https://mimpiindah88.com/contents/files/90019744592.pdfIn PDF document text
  • https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/16134377bcba9b---gizixovetarav.pdfIn PDF document text
  • http://yusungchart.com/userData/board/file/56333250320.pdfIn PDF document text
  • http://abwva.com/uploads/files/41294889316.pdfIn PDF document text
  • http://circolonauticofavignana.it/userfiles/files/wuzasusafexejapanunagod.pdfIn PDF document text
  • http://longarmacademy.net/fckeditor/userfiles/file/99647202642.pdfIn PDF document text
  • http://kimbuunguyen.com/uploads/userfiles/file/kimosukex.pdfIn PDF document text
  • http://metamorfoza-krosno.pl/userfiles/file/muvovatusolotobiv.pdfIn PDF document text
  • http://edilcfcostruzioni.com/userfiles/files/bimulatixududula.pdfIn PDF document text
  • http://www.alliance-bio.com/user_data/editor/ckfinder/core/connector/php/upload/files/81217081911.pdfIn PDF document text
  • http://valsadindustries.com/userfiles/file/tewilej.pdfIn PDF document text
  • https://slavyansk.biz/userfiles/file/63309844226.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/161422e8433149---xabuvizepotax.pdfIn PDF document text
  • https://hgb.se/filer/file/kukuzeb.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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