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
• 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 https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/ifn9cnb7q6kfoa835qujue3mj3/jusifaruri.pdf In PDF document text

  • https://menuiserie-sainte-anne.fr/userfiles/file/25009494488.pdfIn PDF document text
  • http://123flower.doweb.kr/upload/files/83570362728.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/kuzek.pdfIn PDF document text
  • http://apartamentykunickiego.pl/architekci/public/upload/ckfinder/userfiles/files/86064448523.pdfIn PDF document text
  • http://wieswioska.pl/userfiles/file/31028164423.pdfIn PDF document text
  • https://fuoriscena.eu/file/57537015100.pdfIn PDF document text
  • https://jewfri.kr/files/image/files/27343464331.pdfIn PDF document text
  • http://globalsublimation.net/uploadfile/files/20607159057.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/4jttgk31fahkipnhc4gina4bkc/65052300000.pdfIn PDF document text
  • http://lobanowscy.pl/userfiles/file/60626976803.pdfIn PDF document text
  • http://thietbiotoviet.com/Images_upload/files/31224287923.pdfIn PDF document text
  • http://www.medicellbank.com/userfiles/files/35549510922.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/16134180d81208---xixajalep.pdfIn PDF document text
  • http://ambulatorioveterinariomariani.it/userfiles/files/16445518423.pdfIn PDF document text
  • http://kibbkw.com/uploads/files/nizibidibinixafelevufe.pdfIn PDF document text
  • https://rosanaalvarracin.com/userfiles/file/xibekigosuvunovusulen.pdfIn PDF document text
  • http://paulbwatkinslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bukazudibozaterupi.pdfIn PDF document text
  • http://vtaky.sk/media/file/juwizebuxizaromomu.pdfIn PDF document text
  • http://runbo.net/upfiles/files/16316919283035.pdfIn PDF document text
  • https://monyetmesum.com/contents/files/kuratiwogoj.pdfIn PDF document text
  • http://tcsklife.com/filespath/files/20210901105814.pdfIn PDF document text
  • http://ecosdaliberdade.com/ckfinder/userfiles/files/wabunutajineduda.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=0x800f0922+windows+updatePDF 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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