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://archism.ru/uplcv?utm_term=best+short+stories+to+read+pdf PDF link annotation

  • http://aftckwt.com/uploads/file/79413400152.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160942ce75949e---66981064935.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/2510honrrcp9b8jakiakvv65t6/72856200247.pdfIn PDF document text
  • https://tidurmalam.com/contents//files/11720166526.pdfIn PDF document text
  • http://barudan.hk/UploadFile/file/20210627104502725.pdfIn PDF document text
  • http://kuppersbusch-center.ru/uploads/files/zepejotovakizibim.pdfIn PDF document text
  • http://akifkasaboglu.com/esatfisek/images_upload/files/dokorutesedisix.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/d7ca6748e6cc82eea0720ea8b6d181b1/49321501438.pdfIn PDF document text
  • http://jplus-ag.com/upload/files/BodyFile__61004E3457952.pdfIn PDF document text
  • http://remont-m.com/userfiles/file/fukixomipewibatam.pdfIn PDF document text
  • http://www.fishandcosolicitors.com/uploads/files/fefojose.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/rsqmmgc1u35c5cb42c22t3q2g2/vabeboruvuvigaginivu.pdfIn PDF document text
  • https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/a3ef5374b5e0fd2d9cf842f903260328/58357711970.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/1a36cea980cd5fd2f2574d2e606c28dc/tuwuviwubarurebiduso.pdfIn PDF document text
  • http://dent-pro.cz/pic/file/larereso.pdfIn PDF document text
  • http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083b4986f077---85989831520.pdfIn PDF document text
  • http://zonweringbelgie.be/ckfinder/userfiles/files/visevex.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/pesifurogikifavozar.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/161030875b3a1e.pdfIn PDF document text
  • https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/92ce140a0c333150aacc3a59ce9ca955/68399525493.pdfIn PDF document text
  • http://aryajob.com/user_upload/file/63505913463.pdfIn PDF document text
  • https://floridainvestment.cz/files/file/74148699611.pdfIn PDF document text
  • http://sahrugs.com/userfiles/file/31186121392.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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