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://wastran.ru/uplcv?utm_term=obb+file+for+dls+19 PDF link annotation

  • http://thanhlapcongtykiengiang.com/upload/ck/files/pixitinaxul.pdfIn PDF document text
  • https://www.alliance-educationsexuelle.ch/ck/ckfinder/userfiles/files/dozatupupezumapa.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1613e3c2ec88bd---94958866599.pdfIn PDF document text
  • http://tt-ural.su/admin/ckfinder/userfiles/files/pekorazupujusomesaxesati.pdfIn PDF document text
  • http://xyr59.com/filespath/files/20210920010419.pdfIn PDF document text
  • https://thuaphatlaihanoi.net/uploads/files/batavuxi.pdfIn PDF document text
  • http://vitali-schulz-eiskunstlaufen.de/userfiles/files/72553755378.pdfIn PDF document text
  • http://qbcar.ru/ckfinder/userfiles/files/99847838969.pdfIn PDF document text
  • http://roseeskin.com/userfiles/file/20210921212150.pdfIn PDF document text
  • http://ikhmongol.mn/ckfinder/userfiles/files/52859942916.pdfIn PDF document text
  • https://ctapigroup3.com/contents/files/wugut.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/0535a2b4523e819b70d026c50f16790c/20739982522.pdfIn PDF document text
  • https://nutricount.cz/UserFiles/File/22383817320.pdfIn PDF document text
  • http://ricarda-allegra.de/userfiles/file/22301431037.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d2ec84a596---sedopiwuz.pdfIn PDF document text
  • http://portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/sobir.pdfIn PDF document text
  • https://greenlandpark.com/uploads/files/45599113125.pdfIn PDF document text
  • https://crmsaas.dswip.com/ci/userfiles/files/dalenewukikujeje.pdfIn PDF document text
  • https://watosaphotography.com/app/webroot/userfiles/files/20210915_165236.pdfIn PDF document text
  • http://www.radanhorse.com/resource/files/66680816557.pdfIn PDF document text
  • http://iamsong.vn/uploads/files/28568343839.pdfIn PDF document text
  • http://fresh-j.info/images/uploadedimages/file/lotuvikalelunaw.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134ab4826498---vizipugag.pdfIn PDF document text
  • http://shengyaweb.com/uploadfile/file/2021091405233839.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161320de9951b5---loges.pdfIn PDF document text
  • http://prtourusa.com/FileData/ckfinder/files/20210921_E03D706AC5E9C4C3.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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