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://huntic.ru/uplcv?utm_term=reading+fluency+passages+pdf PDF link annotation

  • http://metabolit-plus.ru/files/file/60170530989.pdfIn PDF document text
  • https://digireg.cn/upload/17253076645.pdfIn PDF document text
  • http://nanchang.chinatupai.com/web/js/ckfinder/userfiles/files/pezibevunaxonoseras.pdfIn PDF document text
  • https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/25cdd69224d1dbe4a61a442b38c8eceb/58468946329.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613af379b8c6f---971684655.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612eaa1f76c0a---18981720594.pdfIn PDF document text
  • https://cartolmania.it/file/lejowovuwinin.pdfIn PDF document text
  • https://wcfkenzi.com/ckfinder/userfiles/files/95558800732.pdfIn PDF document text
  • https://minhvuongthuphap.com/upload/ck/files/ratarojitoranokawisedo.pdfIn PDF document text
  • http://wamer.org/userfiles/file/morewozijoxigilorivojel.pdfIn PDF document text
  • http://theexplorerthai.com/userfiles/files/50014246491.pdfIn PDF document text
  • http://logicamail.it/draft/media/66344059480.pdfIn PDF document text
  • http://mastera-mix.ru/ckfinder/userfiles/files/30566133676.pdfIn PDF document text
  • http://luyenthidhcanhsat.com/Images_upload/files/52969491339.pdfIn PDF document text
  • https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16130d9bde3244---basikazajafajaze.pdfIn PDF document text
  • https://semineebrasov.ro/printuri-fi/files/15179572091.pdfIn PDF document text
  • https://hefcom-hydraulics.com/ckfinder/userfiles/files/64622141096.pdfIn PDF document text
  • http://ch-bovi.com/upload/files/29101093257.pdfIn PDF document text
  • http://studioguatta.it/userfiles/files/62122667447.pdfIn PDF document text
  • http://queensparkview.com/image/upload/File/29991601897.pdfIn PDF document text
  • http://designerhouse.ru/upload/files/pukoxejujanadolop.pdfIn PDF document text
  • http://montazenabytkupraha.cz/files/file/pixupow.pdfIn PDF document text
  • http://cwpni.com/userData/ebizro_board/file/77671966155.pdfIn PDF document text
  • http://flightshop.jp/images/blog/file/58832734355.pdfIn PDF document text
  • http://praconsulgroup.ru/pict/file/52475287646.pdfIn PDF document text
  • http://naszemotyle.natura2000.pl/imgturysta/files/61522646997.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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