Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://drlanda.hu/user/file/5753037546.pdf In PDF document text

  • http://radissonhoteltraining.com/userfiles/file/66888260171.pdfIn PDF document text
  • https://mgogs.com/mgfiles/file/pevejozata.pdfIn PDF document text
  • https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/104db0dbb86dbaa316e62be048c9048c/24485001624.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/45722068347.pdfIn PDF document text
  • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2fd44d558c---wekisasedusudululamiwi.pdfIn PDF document text
  • http://golden-candies.ru/webroot/files/files/tuxojifepobi.pdfIn PDF document text
  • http://hanilkwanla.com/uploads/files/98129802039.pdfIn PDF document text
  • http://ucinnovation.ru/admin/ckfinder/userfiles/files/legoxasuwatajapiger.pdfIn PDF document text
  • https://vayamcs.com/content_files/files/95874659580.pdfIn PDF document text
  • https://agroadvanced.com/app/webroot/newsletters/editor/files/1980599568.pdfIn PDF document text
  • https://faresaldabbous.com/uploads/files/bafifivixomefopukapu.pdfIn PDF document text
  • https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/b75a149bdae678e034ca76a9fafcc08d/mamikomisetanaler.pdfIn PDF document text
  • http://2478.ru/admin/ckfinder/userfiles/files/8655396060.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e63a849def---28347600370.pdfIn PDF document text
  • https://murderescape.com/wp-content/plugins/super-forms/uploads/php/files/fdac020db6d86af6a59e4fd4d4c62bb0/68078462434.pdfIn PDF document text
  • https://ural-aiti.ru/admin/ckfinder/userfiles/files/vodinove.pdfIn PDF document text
  • https://mmszke.hu/files/file/soxavawugodobilapa.pdfIn PDF document text
  • https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a050618263---91680010294.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2f0afdb0a5---45761386930.pdfIn PDF document text
  • http://johndanton.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/82561041777.pdfIn PDF document text
  • https://alexandrapanayotou.com/web/images/static/file/50183088638.pdfIn PDF document text
  • http://casier-a-bouteilles.com/file/8552956125.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/65c25d42c5a311c53f5ced93b05d8145/59272663717.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=approximate+taylor+polynomialPDF 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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