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://coretry.ru/uplcv?utm_term=access+download+folder+android PDF link annotation

  • http://yangs-ns.com/ckfinder/userfiles/files/20210912233137.pdfIn PDF document text
  • https://wita.lt/images/files/babur.pdfIn PDF document text
  • https://granitabrasive.com/editor_up/18325251237.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/0e578b83e0ecceb50775566e0d4c88ad/zexezubupexupifekuxuwirok.pdfIn PDF document text
  • http://bluebirdcanada.com/FileData/ckfinder/files/20210908_60C97F61BB5B006D.pdfIn PDF document text
  • http://exosushi.com/uploads/files/judebosasusomoxe.pdfIn PDF document text
  • https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/4ef27b9579696b945aa56d558e6df2cb/nejuranapufura.pdfIn PDF document text
  • http://ohana1bbq.com/uploads/files/66520537274.pdfIn PDF document text
  • http://aajude.pt/backoffice/ckfinder/userfiles/files/39100346645.pdfIn PDF document text
  • http://togul.org/sites/default/files/file/36168594502.pdfIn PDF document text
  • http://architettoletiziamasciotta.eu/userfiles/files/jivimububino.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/360223738b59f25708dc9296309838cb/salogupigimufonizabasudu.pdfIn PDF document text
  • https://coastalstudio.com/images/main/file/zerotokaxefodopebixo.pdfIn PDF document text
  • http://slovoveri.org/userfiles/mobapaleveweparawewodas.pdfIn PDF document text
  • http://clinicaveterinariabilancino.it/userfiles/files/vomakuwuwogorikivu.pdfIn PDF document text
  • https://callmarkinvestments.com/callmark/files/lakotara.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/69d0855890235c9cae0087f2c20679a0/79797745981.pdfIn PDF document text
  • http://ibookingkr.com/FileData/ckfinder/files/20210917_A1CB9ED20CFFAE39.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/t4etf0lrdpdqukk52dqbicijb1/xakutebafupajelotaz.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/16133c0e01447d---wosupebipuriwuferebanemo.pdfIn PDF document text
  • http://ciaomamma.hu/editor_up/80804375582.pdfIn PDF document text
  • https://auto826.com/uploads/files/32450205215.pdfIn PDF document text
  • http://findusafranchise.com/files/files/nevanisidorovafidix.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/9ce1627b7ac177e32c09546f4093b9cd/99167182087.pdfIn PDF document text
  • http://daithanhnam.com/upload/files/28856188896.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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