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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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=actuators+pdf+free+download PDF link annotation

  • http://agataklimowska.pl/userfiles/file/45177967444.pdfIn PDF document text
  • https://wojczak.pl/userfiles/file/98849012103.pdfIn PDF document text
  • http://seanbittinger.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/87081280929.pdfIn PDF document text
  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/38575246609.pdfIn PDF document text
  • http://auburn-properties.com/userfiles/files/wuputegepoda.pdfIn PDF document text
  • http://hoangminhceramics.com/app/webroot/uploads/files/jebukawezuvibeg.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/e7388877f069426c46b08e2471392952/91868463529.pdfIn PDF document text
  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081b454236dd---jofuzoxag.pdfIn PDF document text
  • https://envida-nieuws.nl/bsb_website/upload_fck/file/12103262102.pdfIn PDF document text
  • http://allnatureint.com/userfiles/file/79674235861.pdfIn PDF document text
  • https://peiitw.com/Upload/ckeditor/files/livavax.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c2c49d8fcd---86472983232.pdfIn PDF document text
  • http://bernardthevenet.fr/ckfinder/userfiles/files/59634965389.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080c0f83c8e8---23163352939.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/57ed0a93258fa6e57c046962b3657a3f/mojixunuraxeviwexilezedav.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16083fa3b2e739---lajabetuzufoxugosavebof.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/e0v5orisrpibrmd8no9jk8kjv5/25021325625.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f28ec15ecfc---kosuzuneleferuxeded.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/366b73c03daf8094703528d8b29ff213/87501024634.pdfIn PDF document text
  • http://1night2day.com/ckupload/files/79745536756.pdfIn PDF document text
  • https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/6684v4brafvctnnduu6o3c5r8o/xuzofaxopepewewiw.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/4d7vsf0pd70n6n4fbo0g9pjp12/41381540945.pdfIn PDF document text
  • https://economiadecomunion.net/ckfinder/userfiles/files/67628878580.pdfIn PDF document text
  • https://www.reflectionuk.com/wp-content/plugins/super-forms/uploads/php/files/5g2q1e18am3qkuc897r8o5iu23/zavepasalufi.pdfIn PDF document text
  • http://crescentcarpets.com/userfiles/file/manatep.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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