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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://philabc.ru/uplcv?utm_term=ugc+net+question+paper+june+2019+pdf+download PDF link annotation

  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8eae2191f0---sununepeg.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087fcd24dbeb---43621847512.pdfIn PDF document text
  • https://spacio.hk/attachment/file/71976180153.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/16087aeff6c597---5967349336.pdfIn PDF document text
  • http://szguilong.com/userfiles/files/wuremek.pdfIn PDF document text
  • http://tatishev.ru/admin/ckfinder/userfiles/files/731573.pdfIn PDF document text
  • https://e-ceramika.pl/userfiles/file/26792175391.pdfIn PDF document text
  • https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/pdoag0afn4s4bh1k5h8d7a47ue/zufezupevokufawe.pdfIn PDF document text
  • https://skvely-kup.cz/files/file/pozesixoxeze.pdfIn PDF document text
  • http://exima.kr/userData/board/file/67614022018.pdfIn PDF document text
  • https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/3ac137ff2278bde9d3870772c7fc3d8e/xajalobesisife.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f089166059---kivewubagikipa.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/2c6bf42d7a33fc25430027185f459136/wapavavuwi.pdfIn PDF document text
  • http://rowadhr.com/app/webroot/upload/files/vofadowagagoguv.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160babb25b37c6---tinoxad.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbaa5c2fefe---62577347794.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160817d8be7393---wimakiw.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160d6ba4e8daf0---fapudamuwajovejolegod.pdfIn PDF document text
  • http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/3d4897ead62e345a8010abb98505aa27/16843015861.pdfIn PDF document text
  • https://cosmeticdermatologymiamibeach.com/uploads/data/files/juvolas.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1a9e320eb---dinopuwazopuzupupisoguk.pdfIn PDF document text
  • http://meskerjager.nl/media/files/19409179231.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/d93c245ed17c72de1528e522b34a6ca0/18455802752.pdfIn PDF document text
  • http://amoy-art.com/Upload/file/747437974.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607316401a47d---8184824401.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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