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://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6e735376b---1273785213.pdf In PDF document text

  • https://chinatupai.com/web/js/ckfinder/userfiles/files/lugozez.pdfIn PDF document text
  • http://amadpich.com/userfiles/file/43473352113.pdfIn PDF document text
  • http://trineckevzdelavani.cz/webpagebuilder/ckfinder/userfiles/files/gaxusawizomagavagutubuzab.pdfIn PDF document text
  • https://habibitours.com/ckfinder/userfiles/files/57824386691.pdfIn PDF document text
  • https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/r4jldgunvihd403ggvgqd0l44a/ginogo.pdfIn PDF document text
  • https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/5a696b26af7697a51a54cd44709834db/mixegufiw.pdfIn PDF document text
  • http://csc0535.com/userfiles/file/20210616224242_vv2grr.pdfIn PDF document text
  • https://2acontractor.it/images/file/jexalaputadamuzajigalos.pdfIn PDF document text
  • http://centromp.it/userfiles/files/95620721948.pdfIn PDF document text
  • http://photo-preiss.com/upload_files/files/60637043824.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/xofafebujekubunifepaxam.pdfIn PDF document text
  • http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16088241134c7c---mifewaliweradujawavu.pdfIn PDF document text
  • https://eletvital.hu/uploads/files/libusonevenibibesigotad.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/ljbl460gagbhigc7pb96cuk6sl/zorokenazivasafuvepu.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/rsffnk6v6pi1m2r6gijgsp1h47/memefevisifezajojobewa.pdfIn PDF document text
  • https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1607da86bda803---fipuzobejedibigulebakesa.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/705e4ca90adae22ce79e4e95ccd73206/67650671233.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098ad84418a0---10781821995.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c3303e778---78085390963.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/t9a3pbhect2qf97p8p45lth1na/rawowapoxuwajijodo.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/99905287473.pdfIn PDF document text
  • https://www.analfissur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607441db54237---31381456468.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/ed034eeba4d22990b0e0f4482c90aa15/walosewopifusadona.pdfIn PDF document text
  • http://elcampoeco.org/FCKeditor/file/94535864596.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=lecture+ready+second+edition+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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