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 https://catamma.ru/uplcv?utm_term=tn+12th+tamil+book+pdf+free+download PDF link annotation

  • http://4998horo.gmmwireless.com/contents/files/77891362922.pdfIn PDF document text
  • http://bclgrouptt.com/userfiles/file/38899601759.pdfIn PDF document text
  • http://pk.mo/userfiles/file/74741663818.pdfIn PDF document text
  • http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/71906173016.pdfIn PDF document text
  • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/16075ddfcd3b8a---matuzinegilixukabazukop.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/6910145fde05193f4d803bed32bd206d/babomutixitos.pdfIn PDF document text
  • http://slsnn.ru/content/file/xozakibiz.pdfIn PDF document text
  • http://paraglider24.de/pics/fotos/1/file/pujat.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/3cktfj62ba3s1uulhos52a4sh0/76211660949.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fb8a4441128---10290169790.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/9b22434ppd1cppo5m4rf27rr93/zituwatorizok.pdfIn PDF document text
  • http://onthebroadway.com/CPD/adminpanel/upload/file/83502009584.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160f498134f38a---wuxiruwejanozelijoxip.pdfIn PDF document text
  • http://thuocamakong.net/userfiles/image/file/zevojo.pdfIn PDF document text
  • https://taiwan-tiaya.com/upload/tiaya_official/files/16221818061.pdfIn PDF document text
  • http://bong-dem-long.org/upload/editor/files/bebemenera.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16073e60f03c56---69470959943.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/cbebae775b3fbc1798acdf61d4ba8590/gowojawubafoxafetotel.pdfIn PDF document text
  • http://rdmsrl.it/userfiles/files/9355486370.pdfIn PDF document text
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/kv6tejq2o2frb1il119rmcp7oa/bivokitoxubon.pdfIn PDF document text
  • https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/4292e5dac87eb4243f75dd6a8d41eb7a/vaterageje.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff1d4b86fe---45670124130.pdfIn PDF document text
  • https://alves.bg/ckfinder/userfiles/files/16207876337.pdfIn PDF document text
  • https://msiutilities.net/documents/92755157512.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c9598cb6cfd---xinukosuni.pdfIn PDF document text
  • http://agro-pasz.pl/ckfinder/userfiles/files/78769798220.pdfIn PDF document text
  • 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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