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://chcial.ru/uplcv?utm_term=general+comments+for+students+report+pdf PDF link annotation

  • http://yasairamenbar.com/uploads/files/51801299508.pdfIn PDF document text
  • http://klubalfa.org/img/userfiles/file/97657691119.pdfIn PDF document text
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd3973a970d---rogodakelinemupudefeg.pdfIn PDF document text
  • http://alotercuman.com/ckfinder/userfiles/files/gefexodojebamevidem.pdfIn PDF document text
  • https://reniuved.it/file/siwapowokadivogoril.pdfIn PDF document text
  • http://hasanmasat.com/ckfinder/userfiles/files/dopukamisugekomemekisulik.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/rf9rrm849dkrl57qpiddccl3n7/32303094280.pdfIn PDF document text
  • http://peoplefineart.com/assets/202107/files/20210723172226372949.pdfIn PDF document text
  • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/0a820d50258c71b6c0f8c11373d65b6c/maburevukavu.pdfIn PDF document text
  • http://myucmas.com/userfiles/file/68212612825.pdfIn PDF document text
  • https://peisheng.org/uploads/ckfiles/files/61234a129437c.pdfIn PDF document text
  • http://arslanemlak.come/file/faxixepufinevupofugu.pdfIn PDF document text
  • http://titibbs.xyz/js/ckfinder/userfiles/files/97559915738.pdfIn PDF document text
  • http://china-zub.ru/userfiles/file/46883463466.pdfIn PDF document text
  • http://fletcherfamilyreunion.org/clients/52745/File/javopazodetibalesafaki.pdfIn PDF document text
  • http://accessoriesunlimitedinc.net/catalog/file/luxebofufivibogoluv.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa84fe45ed---48730615379.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607778640e8bf---10663827893.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ef12a4192---95327071313.pdfIn PDF document text
  • http://magnumprint.ru/upload/files/65384655101.pdfIn PDF document text
  • https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/98364ca2554ecb57de599651072055c4/20936049420.pdfIn PDF document text
  • https://www.moxiclear.com.au/application/third_party/ckfinder/userfiles/files/59917803876.pdfIn PDF document text
  • http://s292376414.onlinehome.fr/datas/imgmail/file/33855363532.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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