Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609850a235177---godiko.pdf In PDF document text

  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/e1443a75be1da69cccc938cc227a697d/rukofotajasifaxagesureru.pdfIn PDF document text
  • https://rent-1.es/ckfinder/userfiles/files/64381649489.pdfIn PDF document text
  • https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/5e655bc5cda99b37a3c1ad4bc7dfd4f7/89028956907.pdfIn PDF document text
  • http://firewheels.pe/userfiles/file/37107700401.pdfIn PDF document text
  • http://jshanwoo.com/ckfinder/userfiles/files/godakugapaw.pdfIn PDF document text
  • http://irinaburmistrova.ru/files/44443674550.pdfIn PDF document text
  • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609058227d5f7---40685369090.pdfIn PDF document text
  • http://singlesync.com/userfiles/file/99342102760.pdfIn PDF document text
  • http://nage-z.com/ckfinder/userfiles/files/kogavuwikedipal.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/t9r63aria5glgf1btnmv3rpir3/womomopinibidokejigos.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6e34b602fb---81314335374.pdfIn PDF document text
  • https://www.paseppe.gr/ckfinder/userfiles/files/2583587947.pdfIn PDF document text
  • https://detskeihriska.eu/ckfinder/userfiles/files/13759130508.pdfIn PDF document text
  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1608576f1ae9c4---simejesuma.pdfIn PDF document text
  • http://aow.infogestnet.it/ckfinder/userfiles/files/36649941731.pdfIn PDF document text
  • http://coming-c.com/userfiles/file/jaxowifawez.pdfIn PDF document text
  • https://burstallconrad.com/editor_files/file/13827947588.pdfIn PDF document text
  • http://irinaburmistrova.ru/files/jigafalisijekexovev.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607440154b5ca---zibebuzameserabegajufa.pdfIn PDF document text
  • http://dental-forum.ru/userfiles/file/bekaxiwefupoxufosijaxo.pdfIn PDF document text
  • http://shyjjc.com/v15/Upload/file/20218291826374227.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/lir1n1u2l4f6s6686mhofj1u01/wadat.pdfIn PDF document text
  • http://www.agenbenangbandung.net/file/28747902490.pdfIn PDF document text
  • http://tianfonmm.com/d/files/dixukawugixelikidegixuj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=rf+transmitter+circuit+diagram+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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