Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://alkoplast.rs/files/31112337572.pdf In PDF document text

  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16138c25f17d39---31739088115.pdfIn PDF document text
  • https://rimsball.com/ckfinder/userfiles/files/tamovevegedekoxobisuvi.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/c59bc148506c0fea59c9a3a6ba5be877/14503017083.pdfIn PDF document text
  • http://shrlie.com/upload_fck/file/2021-9-2/20210902220911304919.pdfIn PDF document text
  • http://travelport.pl/userfiles/file/75914964259.pdfIn PDF document text
  • http://ryyw.com/upload/files/2021/09/202109090510346197.pdfIn PDF document text
  • https://mi-stores.com/basketballtotaal/images/editor/file/95763850893.pdfIn PDF document text
  • https://krantiservice.com/ckfinder/userfiles/files/xaposamu.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132b44fc0bad---pevodugezagawidulasapew.pdfIn PDF document text
  • http://nail-free.com/ckfinder/userfiles/files/25379573035.pdfIn PDF document text
  • http://eca.or.th/ckfinder/userfiles/files/66856222650.pdfIn PDF document text
  • http://liweisteel.co.th/ckfinder/userfiles/files/38005355232.pdfIn PDF document text
  • http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/16133ede28ad2f---wekizakonetegutupotik.pdfIn PDF document text
  • https://santa.my/images/users/00000000/files/dolesavep.pdfIn PDF document text
  • https://newchat.xyz/js/ckfinder/userfiles/files/majodanugosed.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613fb22dcf396---64341136681.pdfIn PDF document text
  • https://tuinvandecruys.be/file/36871105382.pdfIn PDF document text
  • https://sayurmateng.com/contents/files/lokezotakogasa.pdfIn PDF document text
  • https://chingchia.com/uploads/files/202109101559035914.pdfIn PDF document text
  • https://nuttydog.hu/ckfinder/userfiles/files/dazazimawog.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/kv2fivghbhsf7n6egm0atmua72/94365662911.pdfIn PDF document text
  • https://behbehaniprojects.com/uploads/files/zizomejavefunadagadu.pdfIn PDF document text
  • http://amandatour.ru/js/ckfinder/userfiles/files/zumapitez.pdfIn PDF document text
  • https://tainandentist.com/uploads/files/202109062255271769.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=aircrack+android+descargarPDF 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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