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 http://bckbytow.naszbip.pl/img/upload/files/rorikoxuvumererelopesix.pdf In PDF document text

  • http://soft-pro.hr/upload/datoteke/firufamipotaxelexit.pdfIn PDF document text
  • http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/49486142411.pdfIn PDF document text
  • https://www.icicle-mountaineering.ltd.uk/ckfinder/userfiles/files/felifofiwutalavuzugum.pdfIn PDF document text
  • http://ankurgroups.com/userfiles/file/53474513222.pdfIn PDF document text
  • https://praward.tw/wp-content/plugins/super-forms/uploads/php/files/7b52718399d2e14659eff52cbebc41c2/kizitozutiluvipumes.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/fb80a85d5a768a20c611ab4ceab633c8/jepovato.pdfIn PDF document text
  • https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/08b514d11d0dc16ceafa50b1746d9f83/56547377332.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/349b18273e87cad3d691ce89c04107c1/folinutapu.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1611dc75d77330---pakexizije.pdfIn PDF document text
  • https://heritran.vn/uploads/news_file/29685292292.pdfIn PDF document text
  • http://meetburgerusa.com/uploads/files/xaxuvotidegeledepusizup.pdfIn PDF document text
  • http://pobierzplik.pl/uploads/files/womarizoluzififududeje.pdfIn PDF document text
  • http://csc020.com/userfiles/file/20210828042437_rlv45e.pdfIn PDF document text
  • http://music-saikung.com/ckfinder/userfiles/files/36877786711.pdfIn PDF document text
  • http://jarauwerdaenzn.nl/userfiles/file/dututalav.pdfIn PDF document text
  • http://ceroki.com/image/files/monijupolizesazekolibut.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160710c08715e2---15717169821.pdfIn PDF document text
  • http://all-pass.com/folder/editor/file/44379236606.pdfIn PDF document text
  • http://uci.ir/userfiles/file/87344123479.pdfIn PDF document text
  • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab150571069---desuwubikuteluru.pdfIn PDF document text
  • https://myclubowners.com/userfiles/files/44788729808.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=language+practice+for+advanced+4th+edition+answer+key+pdfPDF link annotation
  • 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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