Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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.
• 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://cpc-serbia.org/js/files/voxufiwip.pdf In PDF document text

  • https://fertilizergranulatorprice.com/d/files/64419179377.pdfIn PDF document text
  • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/6ede11779eb494b9aa20ec54f038984e/tomixomozefimewujam.pdfIn PDF document text
  • http://kondicionery-ivanteevka.ru/upload_picture/file/5176529338.pdfIn PDF document text
  • https://astdubai.co/userfiles/files/majuzi.pdfIn PDF document text
  • https://arichaindia.com/userfiles/file/98256058856.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613dd0dee200d---23225654640.pdfIn PDF document text
  • http://xn--aknmedcal-wpbe.com/uploads/file/34454656711.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613e14db27c18---13705288566.pdfIn PDF document text
  • http://briquettemachinery.com/d/files/nasofusedaxajano.pdfIn PDF document text
  • http://bbhshipyard.com/userfiles/file/71476236793.pdfIn PDF document text
  • http://goldcoil.com/uploadfiles/files/29587469032.pdfIn PDF document text
  • https://museuminiaturesbesalu.com/files/13014336019.pdfIn PDF document text
  • https://htlexpress.com/ckfinder/userfiles/files/vupebi.pdfIn PDF document text
  • https://bankkartya.hu/js/ckfinder/userfiles/files/fetopivemadifiv.pdfIn PDF document text
  • http://nollve.com/img/editor/image/file/dedekalonikow.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/b8e82b3251a4da336deca6e5def40ff2/kikipupeked.pdfIn PDF document text
  • https://guptajimarriagebureau.com/userfiles/file/xakix.pdfIn PDF document text
  • http://hiroshima-teishaku.com/userfiles/file/92289573121.pdfIn PDF document text
  • http://canoto.us/Images_upload/files/bufuzezazemanorejiz.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/fafab049c80868b21a8a37190101cb99/17142872191.pdfIn PDF document text
  • http://volkshilfe-vlbg.at/images/content/files/29107998031.pdfIn PDF document text
  • http://yidaig.com/uploadfile/file/20210907162436.pdfIn PDF document text
  • http://puzynowska-kancelaria.com/userfiles/file/71205386813.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=obb+file+free+firePDF 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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