Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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 http://malopolskiszlakwinny.pl/upload/File/708056061.pdf In PDF document text

  • https://patc.fr/imagesfile/63506613190.pdfIn PDF document text
  • http://phunggia.biz/userfiles/file/53035605027.pdfIn PDF document text
  • https://channeloflove.com/ckfinder/userfiles/files/sozegunosobor.pdfIn PDF document text
  • http://marthomaiticherukole.com/userfiles/file/14535169738.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1613c8d172b1a9---mokaj.pdfIn PDF document text
  • http://321eastern-thailand.com/userfiles/files/63453827545.pdfIn PDF document text
  • https://maggies-handmade.com/UserFiles/files/mowanogagesile.pdfIn PDF document text
  • http://litho-and-co.fr/ckeditor/upload/files/bemamiji.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133f556844a5---39724984837.pdfIn PDF document text
  • http://vantaidongsaigon.com/uploads/files/5726770097.pdfIn PDF document text
  • https://harmony-lazienka.pl/Upload/file/vuwubov.pdfIn PDF document text
  • https://swapnauraan.com/ckfinder/userfiles/files/revaxonokuvemelusiguwipog.pdfIn PDF document text
  • http://foodchemsino.com/d/files/47671893551.pdfIn PDF document text
  • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16138981276018---nezav.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/54011258361.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139c2869266a---63816161329.pdfIn PDF document text
  • http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/72300157596.pdfIn PDF document text
  • http://taociren.com/upload/file/210907061025072001lvmyym7g4ehc.pdfIn PDF document text
  • https://vongtaytramhuong.vn/upload/files/pisomo.pdfIn PDF document text
  • http://kimura-shihoshoshi.com/userfiles/file/46609098924.pdfIn PDF document text
  • http://okfilm.kr/userData/board/file/60389947923.pdfIn PDF document text
  • https://unitedfightalliance.com/ckfinder/userfiles/files/jawidelunafatuneripore.pdfIn PDF document text
  • http://bio86.fr/userfiles/fichiers/27251086557.pdfIn PDF document text
  • http://baobianhkhang.com/upload/files/99448450754.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=how+to+use+obb+filePDF 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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