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://nomylo.ru/uplcv?utm_term=giddens+introduction+to+sociology+pdf PDF link annotation

  • http://zeguvietnam.com/uploads/ckfinder/files/11623908516.pdfIn PDF document text
  • http://classtool.info/upload/files/98289769225.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/364c359674dcc25f19e9293478f16ae5/wekedozaz.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137e16942ef7---32190173960.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/161448666973f1---62167049001.pdfIn PDF document text
  • https://xn--bankkrtya-41a.hu/js/ckfinder/userfiles/files/39415781028.pdfIn PDF document text
  • http://all-vehicle.net/js/upload/files/9036702988.pdfIn PDF document text
  • https://organicfertilizerproduction.com/d/files/8804416248.pdfIn PDF document text
  • http://moiarchitekci.pl/pliki/file/99099934411.pdfIn PDF document text
  • https://deshpanday.com/ckfinder/userfiles/files/pakazudagobiwifagaf.pdfIn PDF document text
  • http://jinruily.com/UploadFile/file/20210922232111310.pdfIn PDF document text
  • https://thuhuonglacquer.com/uploads/news_file/67927677360.pdfIn PDF document text
  • https://0922.sproname.com/files/userfiles/files/xavoluwi.pdfIn PDF document text
  • https://chetanaus.org/bheru/uploadfiles/file/81521215655.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/vutqipqheepdj36n79ub83m367/tepugimepolobafireluti.pdfIn PDF document text
  • https://www.tulsarad.com/my_content/js/ckfinder/userfiles/files/92256171384.pdfIn PDF document text
  • http://akgwealthplanner.com/crm/files/gibibogibidokirigi.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/226ded57fc1d00523d207ecfc1c97382/jugorigubogufajaz.pdfIn PDF document text
  • http://www.impactit.in/ckfinder/userfiles/files/jenuxifut.pdfIn PDF document text
  • https://aspit.ro/imagini_ws/jawovonugewizutok.pdfIn PDF document text
  • http://uro-medical.pl/zdjecia/fotki/file/zilitam.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d6b61a8181---30498737524.pdfIn PDF document text
  • http://snft.ro/media/file/46652203214.pdfIn PDF document text
  • http://e1pl2.nazwa.pl/busy/fotki/file/kodod.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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