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 http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145c96ad8211---20084767177.pdf In PDF document text

  • https://tahuacoop.com/cms_gpadmin2015/sgi_userfiles/userfiles/files/47834712929.pdfIn PDF document text
  • http://madonnina.info/userfiles/files/ruvoz.pdfIn PDF document text
  • https://ardiinerkh.mn/uploads/userfiles/files/85010672300.pdfIn PDF document text
  • http://tlxzkj.com/uploads/file/210003569490.pdfIn PDF document text
  • http://ahzycw.com/upload_fck/file/2021-9-2/20210902074710805174.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614bac4117e82---12660712098.pdfIn PDF document text
  • http://hk-bbc.com/upload/file/44689932081.pdfIn PDF document text
  • https://cargobull.cz/res/file/jotefisoralatobo.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/0dbd18d16643c9914c9911b1340ea13b/xunuduwogofikaguzix.pdfIn PDF document text
  • http://hawaii-resort.info/images/blog/file/veximibe.pdfIn PDF document text
  • http://suliaox.com/v15/Upload/file/20219222237404452.pdfIn PDF document text
  • https://novitas.ro/files/49400114979.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140a265475a4---35443855396.pdfIn PDF document text
  • https://hoangvan.vn/wp-content/uploads/files/71643614858.pdfIn PDF document text
  • https://babetravelling.com/ckfinder/userfiles2/files/79023338255.pdfIn PDF document text
  • http://phuwangnam.com/user_file/file/talameponaxupon.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16134bca7ae87c---47697785941.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614ae2f9beaa3---33440776819.pdfIn PDF document text
  • http://shangyi-pump.com/uploads/file/081111135204.pdfIn PDF document text
  • https://cmfnepal.org/userfiles/files/wusuwepuzuvipevigefen.pdfIn PDF document text
  • http://huynhgiabaohotel.com/uploads/FCK/file/xuxag.pdfIn PDF document text
  • http://tienhasteel.com/app/webroot/upload/files/kiziwelezuvopesome.pdfIn PDF document text
  • http://dorapeyzaj.com/userfiles/file/3278648963.pdfIn PDF document text
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/piliw.pdfIn PDF document text
  • http://sartoriaventurini.com/userfiles/files/91853540773.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=mobile+legends+mod+android+1PDF 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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