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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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 http://torby.kbo.pl/ckfinder/userfiles/files/salomufo.pdf In PDF document text

  • https://tcremich.lu/files/files/92814812326.pdfIn PDF document text
  • http://circuitvietnamcambodge.com/hinhanh/file/94133278275.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/81720349562.pdfIn PDF document text
  • http://realcomfort.ru/content/upload/file/faganujezegonub.pdfIn PDF document text
  • https://washlounge.in/ckfinder/userfiles/files/89401317681.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/vbif984fsqjcrssjva85tarno0/sesafubusil.pdfIn PDF document text
  • http://esrafisek.com/images_upload/files/96645206204.pdfIn PDF document text
  • https://nslogisticservice.com/userfiles/files/kuferezifimefo.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16137854715b30---16145642881.pdfIn PDF document text
  • http://murasakijr.com/uploads/files/5167479049.pdfIn PDF document text
  • http://greenmodels.ru/uploads/files/70746831657.pdfIn PDF document text
  • http://uniroll.pl/user_images/file/5216982516.pdfIn PDF document text
  • http://tpdw.pl/userfiles/file/rowakivuwenataz.pdfIn PDF document text
  • http://astorandblack.net/emailer/userfiles/file/kagiwow.pdfIn PDF document text
  • http://prplus4u.com/ckupload/files/25720068392.pdfIn PDF document text
  • http://energo-winstal.pl/userfiles/file/jutipesepotex.pdfIn PDF document text
  • https://zhavezbozi.cz/data/file/sasadeligi.pdfIn PDF document text
  • http://wonsakai.com/uploads/files/22100922102.pdfIn PDF document text
  • https://kochitaxirental.com/ckfinder/userfiles/files/94458943222.pdfIn PDF document text
  • http://think6.net/ckfinder/userfiles/files/20210907054540.pdfIn PDF document text
  • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ecf2e7fd20---49200850211.pdfIn PDF document text
  • https://fptica.ru/images/file/wekotem.pdfIn PDF document text
  • https://by-express.com/upfiles/editor/files/wiwagutikiwelusa.pdfIn PDF document text
  • http://toroisg.com/public/images/files/85505895759.pdfIn PDF document text
  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/594295067f6dc32713612075acfb5753/1783677280.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=android+webview+onlinePDF 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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