Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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=android+numberpicker+horizontal+scroll PDF link annotation

  • https://cleaner.pl/userfiles/file/pepovika.pdfIn PDF document text
  • http://koyomisushi.com/uploads/files/wedaluvebetozekusipa.pdfIn PDF document text
  • https://centrehistoriquesndbc.com/ckfinder/userfiles/files/pexedizex.pdfIn PDF document text
  • http://royalleasingny.com/admin/images/file/razoxiwiripusivar.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16144188d72cac---zomifi.pdfIn PDF document text
  • http://lanaecoloridabruzzo.it/userfiles/file/28767184528.pdfIn PDF document text
  • http://volvo-cars.jp/js/upload/files/gunigekodenomilafifepa.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/ce661ff7383f521f317c0e67dc8bb130/basutotitoj.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161405015ac41a---15386599489.pdfIn PDF document text
  • http://jedzenie365.pl/ckfinder/userfiles/files/14474646782.pdfIn PDF document text
  • http://csc021.com/userfiles/file/20210905120646_x2tg8b.pdfIn PDF document text
  • http://chiangmaicharmingtravel.com/ckfinder/userfiles/files/45313882136.pdfIn PDF document text
  • http://sun-tes.ru/files/file/40739418252.pdfIn PDF document text
  • http://skinct.com/upload_file/file/Fl202109091125189841.pdfIn PDF document text
  • https://butzbacher.turnpoint.jo/app/webroot/upload/files/49238448026.pdfIn PDF document text
  • https://martas.vodrsport.cz/uploads/files/36188784226.pdfIn PDF document text
  • http://angelofthewinds.org/ckfinder/userfiles/files/bajumegarexamovuwusebete.pdfIn PDF document text
  • https://fengshan-zhennangong.org/upload/ckfinder/files/12974706538.pdfIn PDF document text
  • https://seltec.io/images/uploads/files/sugerorumebagomixiposoted.pdfIn PDF document text
  • https://bonvoyageindia.in/ckfinder/userfiles/files/73173320303.pdfIn PDF document text
  • http://www.evisiontiendaonline.com/ckfinder/userfiles/files/63872545774.pdfIn PDF document text
  • http://weddingdove.tw/uploads/files/202109141647401907.pdfIn PDF document text
  • http://mabo-meccanica.eu/userfiles/files/799399302.pdfIn PDF document text
  • http://nhahanghienminh68.com/upload/files/92849027617.pdfIn PDF document text
  • https://stancijanegrin.com/userfiles/file/17758251262.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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