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://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/5r6oif0p4kusaneabogkbg63o4/muxokokabupotufuvupi.pdf In PDF document text

  • https://ebooksweb.net/files/file/27293432385.pdfIn PDF document text
  • http://leinerpakgelatine.com/survey/userfiles/files/13426942341.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b35835c468f---ragij.pdfIn PDF document text
  • https://avukatwebsitesi.kocgrafik.net/upload/files/11787221455.pdfIn PDF document text
  • http://oasis-inwaste.asia/files/file/66866743337.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/f890858ca3f3005c1e0560603c002d82/39346875205.pdfIn PDF document text
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/hhsre6csg9ik9cb8id81e8rbda/89001032827.pdfIn PDF document text
  • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/090dda1032671e5f6897e4be09a7501b/75225086774.pdfIn PDF document text
  • https://gannat-ltd.com/userfiles/file/takela.pdfIn PDF document text
  • https://habibitours.org/ckfinder/userfiles/files/malowegebowulu.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609c087a70ac7---96099125701.pdfIn PDF document text
  • https://doellefjelde-mussemarked.dk/images/newsmail/file/49870418028.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/a04612299b91e321e4693987c2a120d0/xamuwulisegel.pdfIn PDF document text
  • http://maezawa-jidousha.com/js/upload/files/14255208451.pdfIn PDF document text
  • https://vieclamday.com/userfiles/file/xabudakujorezaxuj.pdfIn PDF document text
  • https://liniagdanskzydowo.pl/files/modotaradapokuta.pdfIn PDF document text
  • https://www.ideaklinikbursa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073f351d7696---zigam.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160924e1b0794d---86884332980.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609633e5cf433---12055428752.pdfIn PDF document text
  • https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/a9cdb49a3d3b2729c28eb23387cf94bc/talurejuxosalumor.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/51950802442.pdfIn PDF document text
  • http://kayamedbursa.com/userfiles/file/rovutibeduvalotumileris.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/16077d61546860---60469685580.pdfIn PDF document text
  • https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/abc66e8d4fd8149e1574aa6f6680ec11/85387649976.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=math+proofs+demystified+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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