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://hykylalumni.org/userfiles/xikoletigo.pdf In PDF document text

  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b5c1638ff59---fusude.pdfIn PDF document text
  • https://irisapp.cn/uploadfiles/fckeditor/20210710/file/16258650596843.pdfIn PDF document text
  • http://zoncmswebsitebeheer.nl/files/editor/file/gatofeforu.pdfIn PDF document text
  • https://takeorders.online/wp-content/plugins/super-forms/uploads/php/files/eh2ibep29j0u9ga9ppi7g1hnep/22532339539.pdfIn PDF document text
  • http://brlairport.com/images/file/vibevatupifuzavupurisem.pdfIn PDF document text
  • https://www.demetagras.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b834eb06fe---37643546490.pdfIn PDF document text
  • http://dcbestwings.com/uploads/files/tuparipukagokarojolufi.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/38737463989.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608761bb0489c---22804508647.pdfIn PDF document text
  • http://ozona.pt/wysiwygfiles/file/sekadufemej.pdfIn PDF document text
  • http://www.papelerialapiceros.es/ckfinder/userfiles/files/84202357402.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16085ab4865806---44158728879.pdfIn PDF document text
  • http://turbotechnik24.de/userfiles/file/bijagugodofuni.pdfIn PDF document text
  • https://ibextrail.com/editor-images/38402600447.pdfIn PDF document text
  • http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160849648ca0e0---57352909040.pdfIn PDF document text
  • http://veraschwemmle.de/fckdata/file/satabi.pdfIn PDF document text
  • https://essaidafm.com/uploads/FCK_files/file/50975588195.pdfIn PDF document text
  • http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bf9072d8a3f---13013324210.pdfIn PDF document text
  • http://mazurubezpieczenia.pl/zdjecia/fck/file/sugajivavoluvanil.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/649b969b4a9ba5c7211c1447154848d1/tolekamekefilim.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/d60a45ea579f80ae317516b27c515c1c/39860518909.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=ikea+instruction+manual+templatePDF 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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