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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 2 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://medvor.ru/uplcv?utm_term=download+betternet+for+android PDF link annotation

  • https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/f647a79e198dd104188a91617e7fd20d/16766853745.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/9f34e7e3fe89d6efbcedc23ebd0216d1/50117239943.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1613e0f9295a72---3967021050.pdfIn PDF document text
  • https://www.rougeindigo.com/ckfinder/userfiles/files/60109017104.pdfIn PDF document text
  • https://linkevicius.com/upload/galery/file/6397545391.pdfIn PDF document text
  • http://conhantaoankhanh.com/webroot/img/files/8648849592.pdfIn PDF document text
  • http://www.sindafaz.com.br/admin/editor/ckfinder/userfiles/files/40235791054.pdfIn PDF document text
  • https://menu2uplus.com/images/file/ruvuvovuvifawozoxe.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613349410326f---natexusubavalatux.pdfIn PDF document text
  • http://sensor4you.com/fckeditor/editor/filemanager/connectors/php/fckeditor/upload/202109/file/zavopovaxosevabigum.pdfIn PDF document text
  • http://norilskgu.ru/userfiles/file/befidupi.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/u6p3v2i8jpqau94g3gber7qdmq/50930804435.pdfIn PDF document text
  • https://drhuanghair.com/uploads/files/202109152004187897.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1613548ea725e6---13460973389.pdfIn PDF document text
  • http://dblbtech.com/userfiles/file/91040092308.pdfIn PDF document text
  • http://mnogonomerov.ru/uploads/file/86916347670.pdfIn PDF document text
  • http://travellerisland.com/files/didonuwigitixuti.pdfIn PDF document text
  • https://regaluxiluminacion.com/uploads/assets/file/17921750509.pdfIn PDF document text
  • https://globalathena.com/ckfinder/userfiles/files/meral.pdfIn PDF document text
  • http://kolesnikov.pro/ckfinder/userfiles/files/9600634541.pdfIn PDF document text
  • http://www.reeder.ee/files/filemanager/mikag.pdfIn PDF document text
  • http://studiodebiaggi.eu/userfiles/files/gefunigigurolog.pdfIn PDF document text
  • http://candleelectricals.com/uploaded_files/userfiles/files/jivugedexowinegowofoka.pdfIn PDF document text
  • https://szelvedojavitasmiskolc.hu/files/files/raminolume.pdfIn PDF document text
  • http://artsar.pl/userfiles/file/24490796042.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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