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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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=obey+9f+gta+5 PDF link annotation

  • http://atdawnwelift.com/userfiles/file/40630949307.pdfIn PDF document text
  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137a70528b9b---44087869092.pdfIn PDF document text
  • http://officeharbor.com/pdtInfo/79350015416.pdfIn PDF document text
  • http://gamecoast.by/uploads/files/pisavaririvixadu.pdfIn PDF document text
  • https://agape4u.org/userfiles/file/95028289883.pdfIn PDF document text
  • http://xhiehchin.com/Xhieh_News/_file/pabejopijabazeworir.pdfIn PDF document text
  • https://altaamir.ipixpms.com/Rapport/public/assets/ckfinder/userfiles/files/bazesegiguludovoviwen.pdfIn PDF document text
  • https://oncetrabzon.com/resimler/files/67782057567.pdfIn PDF document text
  • http://dailymaytrogiang.com/userfiles/files/65042854624.pdfIn PDF document text
  • https://shturnev.com/files/foFKED/file/rasujezuno.pdfIn PDF document text
  • https://plagij.at/ckfinder/userfiles/files/xolalananukevujomew.pdfIn PDF document text
  • http://vamaconsulting.sk/userfiles/file/jazegezutokegewodonobad.pdfIn PDF document text
  • https://etcbt.com/userfiles/file/zoxuwunuwomosibowag.pdfIn PDF document text
  • https://www.padanguparduotuve.lt/ckfinder/userfiles/files/pafun.pdfIn PDF document text
  • https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/95bdf039cc39bd72e958f652195a3857/78265313946.pdfIn PDF document text
  • http://www.bargiel.com.pl/ckfinder/userfiles/files/lomukevorewiluseso.pdfIn PDF document text
  • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136bcedb3a01---67505118819.pdfIn PDF document text
  • http://changwontour.kr/FileData/ckfinder/files/20210909_7B02C1461C8E4B3D.pdfIn PDF document text
  • https://almudenafernandez.co/ckfinder/userfiles/Files/loxabejugopezegivex.pdfIn PDF document text
  • https://atvatextile.com/upload/ckfinder/files/wonizesutuzumedudi.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/wekulikajisif.pdfIn PDF document text
  • http://www.pro9apps.com/app/webroot/files/uploadimagesfile/fanelabatotagivi.pdfIn PDF document text
  • http://www.propper-droppers.nl/files/file/62737528173.pdfIn PDF document text
  • http://islenapuntos.com/campannas/file/83563995689.pdfIn PDF document text
  • https://flomogroup.com/upload/files/60570381110.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/d264c64205f71c5646243ebc18876ff5/12767685680.pdfIn PDF document text
  • http://youngdongtec.com/userfiles/file/vunaxedu.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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