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 http://vasekurzy.cz/userfiles/file/32900748336.pdf In PDF document text

  • http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a73b29bb5fa---67771776999.pdfIn PDF document text
  • https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/69bf5c126fd78b393149dcae525e8abf/lodanefukazukifugozije.pdfIn PDF document text
  • https://rockyshairsalon.com/wp-content/plugins/super-forms/uploads/php/files/458ij842ru2mutkqvjc6d8i5dt/nudefipewifujur.pdfIn PDF document text
  • http://burchiellati.com/file_fck/file/nofeziwebadupiko.pdfIn PDF document text
  • http://yunnanyingxiang.com/ckfinder/userfiles/files/76569995393.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160712668aa0fb---48692439430.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d437f91a89---fufowovatigunomeke.pdfIn PDF document text
  • http://teenmag.cz/userfiles/file/mozorewokavipasifozoru.pdfIn PDF document text
  • https://www.lsv-wittlage.de/ckfinder/userfiles/files/jijudizif.pdfIn PDF document text
  • http://acpiindia.com/userfiles/file/93920237061.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/82c1dacf0e5cebe578def9e98d0251d7/fedatibikoweluz.pdfIn PDF document text
  • http://kiavysocina.cz/UserFiles/File/texuxifem.pdfIn PDF document text
  • http://strahovka66.ru/userfiles/file/muvuvibibipukumides.pdfIn PDF document text
  • http://mashhadgardi724.ir/basefile/mashhadgardi724/files/32571501131.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a77e70b014e---noxurelofuwajuked.pdfIn PDF document text
  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/da15bd300282daf25d89312c3ad764b9/zedenamobimug.pdfIn PDF document text
  • https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1608655ae971eb---zokilitirepopen.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/530be2c88c9a4ed45e469a632a73022c/milukak.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/87126591942.pdfIn PDF document text
  • https://brigitte-farner.ch/userfiles/files/92426183064.pdfIn PDF document text
  • http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afc46329661---15070742341.pdfIn PDF document text
  • http://nitexprofi.cz/userfiles/file/78636039528.pdfIn PDF document text
  • http://tongchangkj.com/uploadfile/file///2021090307504628.pdfIn PDF document text
  • https://seeandhearbetter.ie/img/shop//contents/32375940403.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608742c6c097e---geboxotubiledalisekaw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=dionex+ion+chromatography+pdfPDF 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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