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://infrive.ru/uplcv?utm_term=people+playground+apk PDF link annotation

  • http://www.medicellbank.com/userfiles/files/nupuzidususiririxumu.pdfIn PDF document text
  • http://24x7taazasamachar.com/assets/ckfinder/core/connector/php/uploads/files/73977233811.pdfIn PDF document text
  • http://jamalcar.com/userfiles/file/gipazudinapososegop.pdfIn PDF document text
  • https://zlato-eu.cz/upload/files/4764147442.pdfIn PDF document text
  • http://djpress.pl/Image/files/datozixosobatatadu.pdfIn PDF document text
  • http://sage-chem.com/image/files/20210918_041638.pdfIn PDF document text
  • http://furnitura-syndicat.ru/ckeditor/ckfinder/core/connector/php/uploads/files/36701503687.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e07ba5280a---28091500258.pdfIn PDF document text
  • https://nationalshield-uae.com/userfiles/files/xixozaku.pdfIn PDF document text
  • https://www.domaine-boussard-chablis.fr/ckfinder/userfiles/files/jazuvevujimatenoj.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eafc40f5e8---55902395117.pdfIn PDF document text
  • http://jrecchina.com/ckeditor/ckfinder/userfiles/files/pirem.pdfIn PDF document text
  • http://shopphutungmayphat.com/upload/img/files/80588489108.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file///49131185489.pdfIn PDF document text
  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a492255dc1---90562124330.pdfIn PDF document text
  • https://kccegis.com/upfiles/content/file/20210920180657.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/a12f2fae7a692aabfded326238980f94/65501105959.pdfIn PDF document text
  • http://quanhoangtsi.com/upload/quangtri/files/99897424373.pdfIn PDF document text
  • http://qapoll.com/2015/vat/upload/files/62424078194.pdfIn PDF document text
  • https://alperbehang.nl/userfiles/file/78331135976.pdfIn PDF document text
  • https://rarahil.org.np/ckfinder/userfiles/files/nenagararowatuzebeworato.pdfIn PDF document text
  • https://aarushimukhwas.idealviews.com/userfiles/files/33645776731.pdfIn PDF document text
  • https://dpt-mh.com/uploads/news/files/42048449572.pdfIn PDF document text
  • http://zvezda-rostov.ru/ckfinder/userfiles/files/lifujitaxudorenevasubalu.pdfIn PDF document text
  • https://aletihad-group.com/userfiles/files/91707299709.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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