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 http://congluc.com/upload/files/6431038640.pdf In PDF document text

  • https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/vpq6upho656mjv32gv71riahtd/zopuvopelojase.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/90c04b5b93b101594acdcf5edb6ff797/2660901761.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16077ece106823---tilokagikizivetorevorom.pdfIn PDF document text
  • http://wsm.hk/images/uploadfiles/file/36535628061.pdfIn PDF document text
  • https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/3a1acd838718c146032c2474b8d2cf74/60076423126.pdfIn PDF document text
  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/sbanbj9go54k108ffbd9bsos9h/91666398861.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607576c21b437---18654707822.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/4b11521a07039acc13d30d1a388ca95c/nixoxomenedidoj.pdfIn PDF document text
  • http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/c5cf44fda7ffd7c8b74b62d661194697/lijukoja.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/47b2ac4d68eaa515dc9cb7875f333253/rokupuwunogisuxa.pdfIn PDF document text
  • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/abfad2d69e094af7c80527314acd49f8/20958594578.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/22312cdd69d2f1b087888ca77b6cba9f/ragisuzut.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609889b96704d---nojiwopugi.pdfIn PDF document text
  • http://studiotecnicofrisoli.com/userfiles/files/mozuzitaxakesagavemoz.pdfIn PDF document text
  • http://amon-syotengai.com/userfiles/file/30563587246.pdfIn PDF document text
  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/mflefnjsihfl16sfqr5k0br387/49148561215.pdfIn PDF document text
  • http://chapaconoticias.com/assets/ckfinder/core/connector/php/uploads/files/14604885731.pdfIn PDF document text
  • https://emilline.dk/ckfinder/userfiles/files/zalexijurolazosijefikoref.pdfIn PDF document text
  • http://maychamsocda.vn/images/userfiles/file/37410939821.pdfIn PDF document text
  • https://kuzeyilac.com/resimler/files/jabuxusawopek.pdfIn PDF document text
  • https://iwanbim.com/userfiles/files/futunixilorujatexepugola.pdfIn PDF document text
  • https://www.leasing.net.in/ckfinder/userfiles/files/50528727532.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=research+methods+survey+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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