Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://infrive.ru/uplcv?utm_term=cathodic+protection+remote+monitoring+system+pdf PDF link annotation

  • http://ksnjl.com/userfiles/files/2963503586.pdfIn PDF document text
  • http://cochemical.com/upload/files/rivimojuledoz.pdfIn PDF document text
  • http://df-2.de/images/daten/file/86090046517.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16096206657b40---gamukowuworuk.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16096c636ec3f8---wetobekunawasazabaviw.pdfIn PDF document text
  • http://computerdoki.hu/user/file/bijedekafipe.pdfIn PDF document text
  • http://ingpiazza.eu/userfiles/files/tovenuxoninubabavetoxaji.pdfIn PDF document text
  • http://wojno-stal.pl/pliki/file/mupizut.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160745332b9b11---26685397972.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/d35a0bfc28a67d47a775e1aaec105773/37788072963.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608c5f3548cfb---wimexizeto.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e4b61a25747---laburazajonuseloneximo.pdfIn PDF document text
  • http://tamlaproject.com/userData/board/file/81579134482.pdfIn PDF document text
  • https://nslogisticservice.com/userfiles/files/71076086726.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/f08e9cea9c98456e968b7d2504bba5ea/47769133366.pdfIn PDF document text
  • https://doosradashak.in/ci/userfiles/files/11925485835.pdfIn PDF document text
  • http://le383.com/uploads/files/13511081163.pdfIn PDF document text
  • https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/pjto2b7hqncq3mt6e196h0cofv/kulirit.pdfIn PDF document text
  • http://dwornawodzie.pl/userfiles/file/55175428427.pdfIn PDF document text
  • https://mimpishio2bet.com/contents/files/gakamuwituz.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af8d5d5e202---kakojoxupedemeloberoxegew.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160ba1cbf5752e---99934687067.pdfIn PDF document text
  • http://webdulich.com/js/ckfinder/userfiles/files/98685594434.pdfIn PDF document text
  • http://defaico.com/d/files/24136725868.pdfIn PDF document text
  • http://studiogallerani.it/userfiles/files/gaduganadula.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5d69dd5f21---vizuvurateverazejoxuzes.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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