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://cructi.ru/uplcv?utm_term=j+newlands+periodic+table PDF link annotation

  • http://hyunshin.net/userfiles/file/9128184085.pdfIn PDF document text
  • http://eichler-kammerer.de/javoxovevovekulez.pdfIn PDF document text
  • http://osmed.cz/app/webroot/files/files/jejisamudopazuvasurunen.pdfIn PDF document text
  • http://ayurveda-shiatsu-nice.com/upload/files/fuvulelokim.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/7138aec0498d5c9736f3633dfed295b2/mejudokefi.pdfIn PDF document text
  • https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/73e9a02df47aac51beaf7d41777f1965/laxemakal.pdfIn PDF document text
  • https://artasedanasingaraja.com/uploadfck/file/82311899822.pdfIn PDF document text
  • https://arvikabc.com/images/uploadedimages/file/84863486252.pdfIn PDF document text
  • https://jamurgoreng.net/contents/files/8139956839.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161376945d9f73---67763751239.pdfIn PDF document text
  • http://cukiernia-waltar.pl/qcms/userfiles/file/fumonokuvitabugek.pdfIn PDF document text
  • http://irpuyesh.com/cache/fck_files/file/60923222714.pdfIn PDF document text
  • http://quimis.org/js/ckfinder/userfiles/files/53471918995.pdfIn PDF document text
  • http://medicaldistri.com/ckfinder_files/files/towanoje.pdfIn PDF document text
  • http://cesnek-vysocina.cz/UserFiles/File/3729206910.pdfIn PDF document text
  • https://jin-hung.com/userfiles/file/8193650580.pdfIn PDF document text
  • https://klubkanine.com/home/klub/public_html/ckfinder/userfiles/files/xanubiv.pdfIn PDF document text
  • http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/fd1ec866bba5333ab1f3a7bc88e84e71/33409867975.pdfIn PDF document text
  • https://sainaudit.mn/File/manojikusesiwovifi.pdfIn PDF document text
  • https://korzayithalat.com/spot/admin/fckeditor/userfiles/file/53714817844.pdfIn PDF document text
  • http://tolaniprojects.com/userfiles/file/14268654538.pdfIn PDF document text
  • http://sd-admin.fazendapenaazul.com/ckeditor/uploads/files/63226764343.pdfIn PDF document text
  • https://www.andreivieru.com/ckfinder/userfiles/files/36859190098.pdfIn PDF document text
  • http://ucg-eg.com/userfiles/file/48514836638.pdfIn PDF document text
  • http://adimhukuk.com/resimler/files/xixowirazufopuriki.pdfIn PDF document text
  • http://zsmnowakowski.pl/userfiles/file/45480019150.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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