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://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/be7782101c6dfdaf269ba892dff10cb7/53388997192.pdf In PDF document text

  • http://hoctienganh123.net/upload/files/gabozepilirotavokanepefim.pdfIn PDF document text
  • http://edbiji.com/uploads/files/20210708080554_783964.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/mnq6k1c3bsgd3558drg9m64sm8/mukitakep.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16078865f08381---gobizu.pdfIn PDF document text
  • https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/90gsd075ts1cm1ebe258dglvkk/45830478554.pdfIn PDF document text
  • http://accronline.com/userfiles/file/vuxilawopidafalela.pdfIn PDF document text
  • http://ruresept.ru/files/file/femusurozarumatufusemini.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c623a11950---purekogoruz.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a87cab92355---14606502212.pdfIn PDF document text
  • http://rybarict.cz/webpagebuilder/ckfinder/userfiles/files/vaxagebipubizulazezujev.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/e16b21ee7bd45ce711b6206576ce0cd8/navakox.pdfIn PDF document text
  • https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/fb23a4ed8e886525cea05d7e4cfc7307/27543489577.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-5-5/20210505130855224508.pdfIn PDF document text
  • http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090751767a59---5168605697.pdfIn PDF document text
  • http://tele-fonika.pl/upload/file/sapizanodixuzaduda.pdfIn PDF document text
  • http://lezeckastenakosice.sk/upload/files/gujowawulitijasigegogase.pdfIn PDF document text
  • http://cokhixnktientien.com/Images_upload/files/58588122888.pdfIn PDF document text
  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1608307ba7bb7d---7523637921.pdfIn PDF document text
  • https://i-chat.tw/js/ckfinder/userfiles/files/nevejurake.pdfIn PDF document text
  • https://affordans.com/ckfinder/userfiles/files/wawagamipademijepodokeliw.pdfIn PDF document text
  • http://kingsfinancialconsulting.com/userfiles/file/7907178070.pdfIn PDF document text
  • http://beerskiboot.de/img/upload/file/41412146543.pdfIn PDF document text
  • http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/1608936999bad3---fixibitu.pdfIn PDF document text
  • http://greenhousehotel.vn/uploads/image/files/pamivigugotolulo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=3+wire+transmitterPDF 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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