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 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://philabc.ru/uplcv?utm_term=telecharger+gratuitement+bescherelle+la+conjugaison+pour+tous+pdf PDF link annotation

  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/v7vk2ktgtfeva2t3sslfojscpt/58806756463.pdfIn PDF document text
  • http://adbuilder.at/ckfinder/userfiles/files/mapevujewetogiwub.pdfIn PDF document text
  • http://autoklej.pl/app/webroot/media/files/16693001525.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/46n8l52i1fp9pe3if4gjj5ll44/93588636488.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/9r31a7v0d7k2jqig4f9rhjnls0/rakagibemiribifaxaza.pdfIn PDF document text
  • http://artetendasud.it/userfiles/files/gepozoginuzuxuzininufig.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/161291e60def8e---kijiwulawevazolumovud.pdfIn PDF document text
  • https://resttour.com/images/userfiles/files/79345285163.pdfIn PDF document text
  • https://amatnieks.com/pictures/image/zexofotodabulujo.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1611db01d8f0af---44281444729.pdfIn PDF document text
  • https://mavachhaiphong.com/upload/files/12140814586.pdfIn PDF document text
  • http://majortaylorride.info/images/uploaded/file/zogif.pdfIn PDF document text
  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607df5fba5935---xamijipudufebigasixigo.pdfIn PDF document text
  • https://picinterior.com/ckfinder/userfiles/files/mumubiseva.pdfIn PDF document text
  • http://pioneerbuzz.net/userimages/gajan.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/9d00798227249420226adf66418ff87e/libesegurakukoxoredobi.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094de6c4f754---8547843646.pdfIn PDF document text
  • http://beergolfers.com/blog/images/file/9846321257.pdfIn PDF document text
  • http://club-integra.ru/userfiles/file/70999304072.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/ef0rcskfdi0eommeegmqhgfqb0/mubapamamukakixi.pdfIn PDF document text
  • https://safetyhanoi.com/userfiles/file/92371558660.pdfIn PDF document text
  • https://greenvalleykerala.com/ckfinder/userfiles/files/72315250758.pdfIn PDF document text
  • https://nilsahost.com/calisma2/files/uploads/50212150959.pdfIn PDF document text
  • https://crownprolaw.cn/userfiles/Proj_Name/files/vagonenobipebitifelude.pdfIn PDF document text
  • https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/32a4653197072f2c9e16d5ec8ba814e3/wanujo.pdfIn PDF document text
  • https://energiadirect.pl/application/resources/ckfinder/userfiles/files/26126214521.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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