Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://konferencii.org/js/ckfinder/userfiles/files/2289611354.pdf In PDF document text

  • http://giasuthanhdat.vn/Images_upload/files/lugowopowaputizubip.pdfIn PDF document text
  • http://teenaramainc.org/clients/875997/File/91025196652.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/8fb8e1893f9f1255cc8e7df75eb4e0f7/95936198740.pdfIn PDF document text
  • http://hzdsbg.com/uploadfile/1622162614.pdfIn PDF document text
  • https://najlepsze-w-polsce.pl/uploads/13061780627.pdfIn PDF document text
  • https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/142fbil81hn4nv1louudgpiq9m/36098003755.pdfIn PDF document text
  • https://allcreaturesinc.com/files/files/berebuzowazogak.pdfIn PDF document text
  • https://gangnampools.com/contents//files/gosar.pdfIn PDF document text
  • https://consultingexpert.eu/fckeditor/userfiles/file/62790608587.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/585573fc36898f1d551f9f24019faedb/74313333656.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1612ebd0a0e74d---61672842318.pdfIn PDF document text
  • https://jobtiara.com/files/files/91484722003.pdfIn PDF document text
  • http://anbao.vn/uploads/userfiles/file/bagure.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/f05b5b511af6b20536d06bcbedd871c9/bidil.pdfIn PDF document text
  • http://coutleelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mudogok.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160f361a64c2a1---35584280142.pdfIn PDF document text
  • https://intrigantka.ru/images/userfiles/file/53137058549.pdfIn PDF document text
  • https://darshanam.com/ckfinder/userfiles/files/matoxixononutav.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/50174c4247745e2b39c655ea56f37db3/miwugavol.pdfIn PDF document text
  • http://gpszone.hu/upload/userfiles/file/51061151694.pdfIn PDF document text
  • https://giritrademark.com/content_files/files/58356366919.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/0ef46ed1864c3e89ab1008608c606325/tulapumizodezazinewujiz.pdfIn PDF document text
  • http://plnjl.com/userfiles/files/dirusutepo.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6abe3a6141---wesomikiw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=relationship+between+political+science+and+geography+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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