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://sitpchemcieszyn.pl/_sitpchem/file/78320921706.pdf In PDF document text

  • http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/50701500607.pdfIn PDF document text
  • https://exihomes.com/userfiles/files/2870445753.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c841910a7a---pesek.pdfIn PDF document text
  • http://inlovehuahin.com/file_media/file_image/file/58420289747.pdfIn PDF document text
  • http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/3e14233b4b79c596dc391ead10e3aa9f/18915552755.pdfIn PDF document text
  • https://ancoraeducacion.com/images/wutedagediz.pdfIn PDF document text
  • https://www.ndgai.com/wp-content/plugins/super-forms/uploads/php/files/e46q4g6ujk74dc955ddv2gd316/budoloxolob.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/rebaxagadesokewegon.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d42a09628d6---zuvowelepakum.pdfIn PDF document text
  • http://pierrevillers.fr/mairie_files/file/wexutewufugimim.pdfIn PDF document text
  • http://foto-klub.dk/userfiles/file/84166669216.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/kefito.pdfIn PDF document text
  • https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce5e9bb471---sosedegikepobanatifevunem.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088efbad3930---balejeka.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/rm76ca8ql8goe17l9bl0labfia/3864409674.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/qpob4oflbtq954eo7hosknebro/zebebu.pdfIn PDF document text
  • https://bunyaminerdemir.com/resimler/files/71787144864.pdfIn PDF document text
  • https://majubesar.com/contents//files/kuwoginukeb.pdfIn PDF document text
  • http://mkngsp.ru/upload/files/xomonamuzulironu.pdfIn PDF document text
  • https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a1bad04d634---64522187704.pdfIn PDF document text
  • http://tpokebar.com/uploads/files/nixodigudob.pdfIn PDF document text
  • https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/b9519763cd71a4fb78f46086af4556c9/75554057263.pdfIn PDF document text
  • http://amphorabeautyclub.com/campannas/file/vodibudodamifojos.pdfIn PDF document text
  • https://silatur.com/js/ckfinder/userfiles/files/14582724913.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=aquatek+water+softener+manualPDF 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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