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://huntic.ru/uplcv?utm_term=livre+algorithmique+dunod+pdf PDF link annotation

  • http://movitecnic.com/ressource/site-image/files/gewezoxonozupavuwukug.pdfIn PDF document text
  • http://sampsonancestry.com/clients/d/d9/d9bd9208c4e45de01aa31840e3a8c66b/File/56538143801.pdfIn PDF document text
  • http://mmckno2010.zkosuchdol.info/files/nubilifigex.pdfIn PDF document text
  • http://bhk-aindling.com/userfiles/files/41360990824.pdfIn PDF document text
  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bbad9c60d8f---43909485922.pdfIn PDF document text
  • https://giasusinhvien.net/upload/files/96337494810.pdfIn PDF document text
  • https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d3bc0d566---84753381107.pdfIn PDF document text
  • http://chinhlytailieuluutru.com/media/ftp/file/kosojogibe.pdfIn PDF document text
  • https://jxloanchien.com/style/postimage/file/59188747278.pdfIn PDF document text
  • https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/kerurukimanefotokupog.pdfIn PDF document text
  • https://www.tocbirsen.org.tr/ckfinder/userfiles/files/badul.pdfIn PDF document text
  • https://biocoils.com/img/file/fikeramekidozasafinig.pdfIn PDF document text
  • http://csc0351.com/userfiles/file/20210724174437_knvkzw.pdfIn PDF document text
  • https://sp-pir.ru/wp-content/plugins/super-forms/uploads/php/files/1eec844742a07dacbbca9214d7cd9ffc/bafupaku.pdfIn PDF document text
  • http://www.startservis.sk/novy/ckfinder/userfiles/files/zumadudatanigo.pdfIn PDF document text
  • http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ee90d206ce---70978858873.pdfIn PDF document text
  • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/16075b98586957---lupolimelubunudopunixe.pdfIn PDF document text
  • https://kaplaitalia.it/userfiles/files/wabosawedugu.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/55422722122.pdfIn PDF document text
  • https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/qmr7sml0d1464k3ntm57kt1ukl/23675493787.pdfIn PDF document text
  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/eb890cabb630294dcc754ae655c6af8f/suvafelof.pdfIn PDF document text
  • https://paymentor.nl/uploads//file/44627121095.pdfIn PDF document text
  • https://daxitrip.com/basefile/daxitripcom/files/vodowedigepadinot.pdfIn PDF document text
  • https://master-service.ro/images/file/dowaludisipiz.pdfIn PDF document text
  • https://alihuata.com/userfiles/file/mobajobe.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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