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://smidgel.ru/uplcv?utm_term=list+of+all+functional+groups+in+organic+chemistry+pdf PDF link annotation

  • http://novichiha.ru/pic/file/6949744638.pdfIn PDF document text
  • https://bawwabatrizq.com/userfiles/file/10808546143.pdfIn PDF document text
  • https://buka.ru/sadm_files/dagubem.pdfIn PDF document text
  • https://topclassgreenery.nl/images/file/51861343982.pdfIn PDF document text
  • https://salvatoredivilio.it/userfiles/file/xevugigonukok.pdfIn PDF document text
  • https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/69073906a8d1569d47832df19e89c23e/pomufubago.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c3d4044bacf---fiselaxidofugafemajinaba.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/ogr2bhg7j0pv3n904rdia000l7/48202752195.pdfIn PDF document text
  • http://relocationservicesgroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071d9853feba---meripalatozifevotisu.pdfIn PDF document text
  • https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//83621833578.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/39ceead156bcbf368c2c0292923025ed/1319429721.pdfIn PDF document text
  • http://zamokugrofa.sk/admin/fckeditor/file/dofires.pdfIn PDF document text
  • http://nowyhotelik.pl/userfiles/file/37665236148.pdfIn PDF document text
  • http://weiken-rc.com/upload/files/97537508082.pdfIn PDF document text
  • https://imagebeaute.fr/userfiles/file/mudinivuvijogixigoxirit.pdfIn PDF document text
  • http://kingalbertltd.com/uploadedfiles/file/4574861645.pdfIn PDF document text
  • http://ip-golubev.ru/ckfinder/userfiles/files/kawadokop.pdfIn PDF document text
  • http://robbinsfamilyhealthcare.com/clients/2/2c/2c787fa606fc56c3a3a24dfc5409695f/File/julibina.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/5eeab3b9159254d9a42a00b247686bb4/pugagimijiwo.pdfIn PDF document text
  • http://nacyc.jp/Upload/file/41430292351.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/5pghtsvjodmcbd52voi6nrmsj4/tuwasebomasoripusopotakep.pdfIn PDF document text
  • https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16098bc2db5b6b---98373037584.pdfIn PDF document text
  • https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/t6njnteu5hi2kgaqbqb1tv73e3/temomejoxitupopazoxaxe.pdfIn PDF document text
  • https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/0a9ue8hslk2k5gcassnsu279c0/41413882240.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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