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://laborke.ru/uplcv?utm_term=preventive+and+community+dentistry+by+soben+peter+pdf PDF link annotation

  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/vcfaphqo4ld9gdgif6g31aieim/janug.pdfIn PDF document text
  • http://artgrafika.cz/userfiles/file/zotusu.pdfIn PDF document text
  • http://maplewoodmachine.com/clients/1/17/17f0ea2532424b9b8bf99baf53cd3763/File/xiwudanodobidipovebuzule.pdfIn PDF document text
  • http://cyklo-wellness-penzion-palice.cz/content/mabumipetojepapavek.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16108681e07782---nafifarito.pdfIn PDF document text
  • http://mlsy.cz/images/file/files/livevogotitewazalilabed.pdfIn PDF document text
  • http://zdravi-kromeriz.cz/files/file/nejip.pdfIn PDF document text
  • http://lapawan15.com/shop/fck_file/file/47334831174.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a930d03d59f---mukeledekegesuzovadoz.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-6-28/20210628050159897685.pdfIn PDF document text
  • https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/9078700c072824d4f41073b91636aebf/bojapinifekufozoz.pdfIn PDF document text
  • https://astek-telem.fr/userfiles/file/51106789294.pdfIn PDF document text
  • https://vicareyou.com/userfiles/file/xepibijun.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/8071608e29e8300f3b800e23cfb0f65b/moxawutosuf.pdfIn PDF document text
  • http://bowenlawmt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wewonuwoji.pdfIn PDF document text
  • http://hoangduy.vn/vn/files/mivofuzafulotozosekuxubad.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/161186d0164e48---58017870327.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b12e79c69e8---75174192696.pdfIn PDF document text
  • http://www.contectrade.hu/fckfiles/file/35844629249.pdfIn PDF document text
  • https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/dba403a337b8f0f270fc53f2f126cc64/78287589820.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/146d1906e03224b7b832c0f1c031df69/84731008954.pdfIn PDF document text
  • http://www.portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/78708365604.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160b7bcbf688a5---95066023908.pdfIn PDF document text
  • http://phuwangnam.com/user_file/file/94410179498.pdfIn PDF document text
  • http://0965818789.com/CKEdit/upload/files/22873789604.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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