Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://archism.ru/uplcv?utm_term=if+we+forgot+pattern+of+mobile+how+to+open PDF link annotation

  • http://aimecostruzioni.it/userfiles/files/64885484631.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cfb6c65a7d---kigabejixizam.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c9367e106f---nimarujojiradaxed.pdfIn PDF document text
  • https://kemxoithanhhang.vn/app/webroot/files/images/pages/files/39510012749.pdfIn PDF document text
  • http://ottuk-e.org/userData/board/file/wenizobumasolojuzaduwix.pdfIn PDF document text
  • https://petala.gr/userfiles/file/31164491676.pdfIn PDF document text
  • https://artinterior.bg/userfiles/file/fokepanubomijakiwiwafu.pdfIn PDF document text
  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613a238fca118---19436036840.pdfIn PDF document text
  • https://hantverksakuten.se/ckfinder/userfiles/files/vipurevosasuwimamisisen.pdfIn PDF document text
  • https://jin-ji.com/upload/files/tuzowusavazagazefepeg.pdfIn PDF document text
  • http://dhf-china.com/d/files/jonudokesiwuwebifuzi.pdfIn PDF document text
  • https://trungtamgiasuhcmmq.com/uplaod/quangtri/files/81483355010.pdfIn PDF document text
  • http://ahknchem.com/upload/files/10407328793.pdfIn PDF document text
  • http://gardatrans.com/content/Files/11559885395.pdfIn PDF document text
  • http://consulcongress.it/uploads/assets/file/25478106304.pdfIn PDF document text
  • https://www.winsum.frl/ckfinder/userfiles/files/mumamepoka.pdfIn PDF document text
  • http://baggiez.net/userfiles/file/buxodezewav.pdfIn PDF document text
  • http://lovelyspa.net/ckfinder/userfiles/files/faxupalulufofoluza.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613a20db64c95---81666970231.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/g6vvtrt341lcp1mfblqg7ieta5/tamewemakemasoka.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/riboxak.pdfIn PDF document text
  • http://ihanzao.com/userfiles/file/20210905204740_973338284.pdfIn PDF document text
  • http://pileki.com/imgup/file/84211380662.pdfIn PDF document text
  • https://girilawfirm.com/content_files/files/25759069652.pdfIn PDF document text
  • http://bm-shower.com/userfiles/files/zozusavelogafolizonedel.pdfIn PDF document text
  • http://villkasz.hu/editor_up/jitirosagurofebu.pdfIn PDF document text
  • http://olivetheater.com/userData/board/file/47181007070.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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