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 http://manhchenang.vn/webroot/img/files/2388513995.pdf In PDF document text

  • http://due.pt/js/ckfinder/userfiles/files/34484771047.pdfIn PDF document text
  • http://chono.mn/uploads/userfiles/files/mesawisogudemavilakok.pdfIn PDF document text
  • https://karpzbeldowa.pl/uploads/userfiles/files/32089148255.pdfIn PDF document text
  • http://internet-trade.cz/UserFiles/file/15138700903.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/478472afe6844cd88eb20c3651a2c4b9/53686320488.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dadd57d4c3---dofugik.pdfIn PDF document text
  • http://domexpo.ru/up/file/8092518946.pdfIn PDF document text
  • http://brain-sh.tw/upload/file/wunawelajagimatopowevopu.pdfIn PDF document text
  • http://olech-rzeszow.pl/userfiles/file/27625415895.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed7b7aecaf---35266648929.pdfIn PDF document text
  • http://ajivikafinance.com/userfiles/file/rajunugi.pdfIn PDF document text
  • http://restaurant-lyons.fr/userfiles/file/pojekupufakijinobo.pdfIn PDF document text
  • https://almentispharma.com/ckfinder/userfiles/files/vanikodu.pdfIn PDF document text
  • http://imobiliariaimperio.com/files/files/5813623290.pdfIn PDF document text
  • http://landpas.pl/upload/file/gurirarosevorizebefokuzox.pdfIn PDF document text
  • http://xn--aknmedical-yub.com/uploads/file/96301660623.pdfIn PDF document text
  • http://delfosventures.com/userfiles/files/rotugukijuxokenis.pdfIn PDF document text
  • http://www.ags-sib.ru/ckfinder/userfiles/files/fatotes.pdfIn PDF document text
  • http://whdhgs.com/uploads/file/20210910185228787.pdfIn PDF document text
  • http://sov.tranovice.org/webpagebuilder/ckfinder/userfiles/files/1182467673.pdfIn PDF document text
  • https://reklama71.ru/upload_picture/sasiwalig.pdfIn PDF document text
  • http://paintmaster.hu/js/ckfinder/userfiles/files/27288811441.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1613a773b184be---17634293507.pdfIn PDF document text
  • http://thevalleytrader.com/files/vipegojinulul.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=among+us+on+mac+freePDF 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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