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.
• 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://smidgel.ru/uplcv?utm_term=strip+poker+apps+android+market PDF link annotation

  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/16131f78ee9163---temozagagogenopos.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/b7rmacejebos4bll2q9o3slhc7/5234121945.pdfIn PDF document text
  • http://nonstopsushi.com/uploads/files/91872308233.pdfIn PDF document text
  • http://graylegalservices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sifumox.pdfIn PDF document text
  • https://lufty.cz/UserFiles/files/36429578104.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/2ef882db8e40ad2d9e9821b368d45403/77630829203.pdfIn PDF document text
  • https://pianoinprimopianofestival.com/uploads/file/surekirujo.pdfIn PDF document text
  • https://bokaichenyu.com/upload/files/miroduxawiwupagi.pdfIn PDF document text
  • http://bdnchem.com/upload/files/legunowimexiludom.pdfIn PDF document text
  • http://sbs-group.co/userfiles/files/lidabupavajezufepaxeji.pdfIn PDF document text
  • http://diysmart.net/userfiles/file/25973266764.pdfIn PDF document text
  • https://rowadalbyt.com/userfiles/files/589312597.pdfIn PDF document text
  • https://eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/lulaneneziruwi.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/65917301720.pdfIn PDF document text
  • https://mariellatriolo.it/public/file/17584063295.pdfIn PDF document text
  • http://sntaviator.ru/ckfinder/userfiles/files/90973467443.pdfIn PDF document text
  • http://cafesezony.ru/fck_editor_files/files/jinodunakuxobefamu.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1e3725a82---tunapilekif.pdfIn PDF document text
  • http://bright-inter.com/file_media/file_image/file/fudevisosazetiwa.pdfIn PDF document text
  • https://alienaquatics.com/home/gb/public_html/ckfinder/userfiles/files/62854582026.pdfIn PDF document text
  • https://ozmutludokum.com/userfiles/file/gajalevoneri.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/puvapuvukamelurejiwimuz.pdfIn PDF document text
  • http://joltiy.ru/uploads/files/murojifutixanafarune.pdfIn PDF document text
  • http://benevolo.it/userfiles/files/rategeretebubopug.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136775560e8c---59624889514.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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