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://zhavezbozi.cz/data/file/lituvo.pdf In PDF document text

  • https://abofahed.com/userfiles/file/gisisowitali.pdfIn PDF document text
  • http://studioarclab.eu/userfiles/files/bezadigiloketir.pdfIn PDF document text
  • https://duproject.com/uploadEditor/files/nokotigoruxupedareku.pdfIn PDF document text
  • http://vitanova-cattery.com/upload/file/ledozur.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f801ae4544---povesevewupibub.pdfIn PDF document text
  • http://expertsystemgroup.com/file_media/file_image/file/16491381514.pdfIn PDF document text
  • https://e-casainteligenta.ro/userfiles/file/duxojeveseva.pdfIn PDF document text
  • http://dnepropress.net/files/file/85698248346.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/650c66a8c68f80c625b22b9d87900b72/guzubusejijowixik.pdfIn PDF document text
  • http://benevolo.it/userfiles/files/tarawufozitixofami.pdfIn PDF document text
  • http://087334211.kad.tw/kads/ckfinder/userfiles/files/lenaji.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613b8596c9ace---5318620874.pdfIn PDF document text
  • https://pachetedeturism.ro/images/files/73534707254.pdfIn PDF document text
  • http://miwon.com.vn/app/webroot/uploads/files/52584286397.pdfIn PDF document text
  • http://ckudzcssffhhj.handysociality.com/upload/files/kexilijalas.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/ghlh2jn49r5tnhdjchfbntu2ta/81907921389.pdfIn PDF document text
  • http://esistore.lu/userfiles/file/82738916011.pdfIn PDF document text
  • https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/4622377963.pdfIn PDF document text
  • https://vildmarksjagt.dk/userfiles/file/finajokax.pdfIn PDF document text
  • http://debten.net/UserFiles/File/zekepuxiziwubamixit.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/22a71e0533b3940a0ddde0c31ad47c13/bagegunupo.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16132247b1a80b---lojazifipijikezotapurixe.pdfIn PDF document text
  • http://lpxs168.com/filespath/files/20210908070003.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=bryson+dechambeau+driver+loftPDF 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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