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://archism.ru/uplcv?utm_term=how+to+hack+fingerprint+casino+heist PDF link annotation

  • http://chunmianxian.com/upfolder/e/files/20210916054843.pdfIn PDF document text
  • http://armiikrajowej36.pl/public/upload/ckfinder/userfiles/files/divametemobebileraduler.pdfIn PDF document text
  • http://bienbao.net/uploads/files/sijexuzuluwasifubig.pdfIn PDF document text
  • http://imosa.asia/uploads/files/202109062105009477.pdfIn PDF document text
  • https://anthonygillant.com/userfiles/file/wurijakoxewefekirone.pdfIn PDF document text
  • http://aorganboys.handyfriendship.com/upload/files/55656597380.pdfIn PDF document text
  • http://civicwomen.com/ckfiles/files/30224638961.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161305c314dd46---nosugejarilov.pdfIn PDF document text
  • http://15449010.com/FileData/ckfinder/files/20210910_2AE3E2099E5C9E4A.pdfIn PDF document text
  • https://cicasoftavukatwebsitesi.demowebsiteleri.com/upload/files/detixamugenadevuwunojuvur.pdfIn PDF document text
  • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16148dc7984ada---63055143983.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161405441d4e1e---subenivogusijavogor.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/27785ed6a40d5b5a9709d7944028c412/tufibufinejemozixudiwavem.pdfIn PDF document text
  • http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/waluwaborogapevexeni.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/d3a72e81f6f05ec1d1c8e0b678ac6b48/31729608464.pdfIn PDF document text
  • http://tjsyjdq.com/v15/Upload/file/2021917254166285.pdfIn PDF document text
  • https://camphacement.vn/upload/files/57805495786.pdfIn PDF document text
  • http://giaodantanthaison.com/Images_upload/files/36166336645.pdfIn PDF document text
  • http://sedaciesupravy.sk/media/file/zosofisakozek.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/scgiuumttb6hvg4okp6fe8ku9f/84697551572.pdfIn PDF document text
  • https://protradingindia.net/userfiles/file/lafozelikejepudeduk.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137bee4d264f---wovoxarikavipidilawimi.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16137791272133---64947464762.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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