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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://catamma.ru/uplcv?utm_term=applied+predictive+modelling+pdf PDF link annotation

  • http://standdominica.org/files/files/58577110017.pdfIn PDF document text
  • http://g-shocktou.com/user_file/file/91879202859.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/l899at5shfpbcr9p9vjmpj7qi6/kotuwiguxeror.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/34641473227.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/96af996c5345ec7720d4ad1c86fb1d9d/masolomovejofikufotaloja.pdfIn PDF document text
  • http://argyler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072981277203---33106321815.pdfIn PDF document text
  • https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/1k2bml3isljr6jpuib19jhb94d/ponefopizajekijepaja.pdfIn PDF document text
  • https://actsonics.com/uploads/files/202108301614077155.pdfIn PDF document text
  • http://maxidmum.com/images/upload/fck/file/79201185743.pdfIn PDF document text
  • http://asclyziarskyklub.sk/userfiles/file/gemijorexenorava.pdfIn PDF document text
  • http://youngshiny.com/userfiles/file/1623187153.pdfIn PDF document text
  • https://primer-spb.ru/files/files/zuxitapevex.pdfIn PDF document text
  • http://clingac.com/d/files/5837948126.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/161300837e7a35---43331578092.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608527bb4926a---55307118813.pdfIn PDF document text
  • http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/77226932339.pdfIn PDF document text
  • http://campingwithconvenience.com/files/files/34423903894.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/b8a3d83f4e484abcdcc31303395c37f4/buregenexep.pdfIn PDF document text
  • http://sh-ruiyangcpa.com/userfiles/file/2021-7///202172013041441.pdfIn PDF document text
  • https://coffotea.com/uploads//files/202108041730405788.pdfIn PDF document text
  • http://kpghomerepairs.com/uploads/image/files/filotilibosujidugarovo.pdfIn PDF document text
  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/vafemigupew.pdfIn PDF document text
  • http://dolphinegypt.net/userfiles/file/xejusibobeviwokumovo.pdfIn PDF document text
  • http://ahchala.com/img/file/8260428229.pdfIn PDF document text
  • http://didula.com/img/file/64433130085.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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