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 https://coretry.ru/uplcv?utm_term=body+bones+parts+name PDF link annotation

  • http://www.startservis.sk/novy/ckfinder/userfiles/files/98436647469.pdfIn PDF document text
  • http://acpiindia.com/userfiles/file/79096091905.pdfIn PDF document text
  • http://trustarshida.co/cache/fck_files/file/silaxag.pdfIn PDF document text
  • http://residenzaeden-albisola.com/userfiles/files/22643185246.pdfIn PDF document text
  • https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/77787169593.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146f968d5e9c---40136198920.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/jrdjpbru5kmq9a22gfv4rpj9p7/25629128289.pdfIn PDF document text
  • http://tanabuauto.com/js/upload/files/likunirigomoweti.pdfIn PDF document text
  • https://sssmri.com/ckfinder/userfiles/files/35862744246.pdfIn PDF document text
  • https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/252886e8e16b56b266de9caee9aa897c/dotutefigu.pdfIn PDF document text
  • https://petribax.com/userfiles/file/54602307073.pdfIn PDF document text
  • https://360clothing.in/home/www360cl/public_html/uploads/images/files/84727192815.pdfIn PDF document text
  • http://www.psoealora.es/ckfinder/userfiles/files/54517832553.pdfIn PDF document text
  • http://theartofdesign.nl/ckfinder/userfiles/files/fimixerowozofodovidup.pdfIn PDF document text
  • http://www.uc-kushiro.net/images/library/File/93113295044.pdfIn PDF document text
  • https://electrodomesticaruano.com/images/ckfinder/files/55850135747.pdfIn PDF document text
  • https://dolnoslaskialarmsmogowy.pl/imgturysta/files/busax.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/35ccb9c848e0002ab296227caf16da68/filoluvix.pdfIn PDF document text
  • http://besttailor.info/ckfinder/userfiles/files/fipavapolagigebolow.pdfIn PDF document text
  • https://fibaquitaine.fr/cebatrama/userfiles/files/49868110206.pdfIn PDF document text
  • http://taxicityplus.ru/userfiles/file/71077483363.pdfIn PDF document text
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/161428ae5e17e9---pejoko.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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