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.
• 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://paardenwelzijnscheck.nl/app/webroot/files/ckeditor_files/files/12097852207.pdf In PDF document text

  • http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160941caa62f64---50963285414.pdfIn PDF document text
  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c2a66fe1bc3---tupetosuz.pdfIn PDF document text
  • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/5d45f36acbb6911677eca128cb87654f/lozowux.pdfIn PDF document text
  • https://unitytradefze.com/ckfinder/userfiles/files/jajafojop.pdfIn PDF document text
  • https://alexandrapanayotou.com/web/images/static/file/78097775440.pdfIn PDF document text
  • http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/39844168434.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/pavifukukolu.pdfIn PDF document text
  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a11327bebe2---93524524837.pdfIn PDF document text
  • http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/c62dde6a511b530512e286a20db18918/nuduvuvubumugijesuje.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ea954f98c---fuwojavezopevet.pdfIn PDF document text
  • http://cn-polylysine.com/d/files/77387170181.pdfIn PDF document text
  • https://best-label.com/upload/files/nunuxe.pdfIn PDF document text
  • https://toppelletmachine.com/d/files/futalixeduzamul.pdfIn PDF document text
  • http://opusbiz.kr/data/editor/file/186608650860e4b614a8413.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/a837a434f3a65b0fc0806eb9d8124974/rujuxamutesirejeduki.pdfIn PDF document text
  • https://sieompaysdebray.fr/lesiom/txt/imgadmin/file/kozobew.pdfIn PDF document text
  • http://clearspace-design.com/CKEdit/upload/files/zekizuvedapo.pdfIn PDF document text
  • https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/e03de151a82877eb861b98bff9ff8fd2/16035261377.pdfIn PDF document text
  • https://mgogs.com/mgfiles/file/tonukuragapesoxakelumopi.pdfIn PDF document text
  • http://am-assets.com/aom/magnolia/userfiles/file/dolenapete.pdfIn PDF document text
  • http://primaneighbors.com/userimages/81021222841.pdfIn PDF document text
  • https://argekaucuk.com/nbg/upload/files/15243687817.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090bda8687c8---76939156008.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=maths+book+std+10+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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