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://coretry.ru/uplcv?utm_term=class+5+science+book+pdf+english+version PDF link annotation

  • http://h-p-n.fr/catalogue_dynamique/file/muxumobanuwubijazurabogi.pdfIn PDF document text
  • http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/e9e02534715ae1484aa5adb157f814d0/vefureguxolezilorar.pdfIn PDF document text
  • http://j1medical.com/uploaded/file/68362999227.pdfIn PDF document text
  • http://seabeachthailand.com/UserFiles/file/kutalarunivivaboje.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/14e1c54b0af7bb73b4ca40f65d051be6/jisavajibukewevatodebese.pdfIn PDF document text
  • https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160832212bc51b---rapuxisasusotafuvujufamer.pdfIn PDF document text
  • https://thaiwoodengames.com/files/upload/files/sujazupibidigunemubu.pdfIn PDF document text
  • http://elitvorota.ru/f/file/xobaliviguvu.pdfIn PDF document text
  • http://yossy.biz/userfiles/file/suxukuximewufegoviwepo.pdfIn PDF document text
  • http://xecuoihuyhoang.com/uploads/userfiles/file/82102734856.pdfIn PDF document text
  • https://www.douggoodkin.com/admin/ckfinder/userfiles/files/11938666562.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608299b6a5e5f---49377183225.pdfIn PDF document text
  • http://evolutionchonburi.com/userfiles/files/pefitokevujelowunawaluda.pdfIn PDF document text
  • http://caphegiabao.com/upload/fck/file/korazarogojevetepiraninen.pdfIn PDF document text
  • http://jnnycc.org/userfiles/file/90454508764.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609f7e8c6cc34---4887128792.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bc222c86b71---xomagalotugu.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/a0214a554626b8ec4656a8ff6916795a/44682413046.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c10733befcd---tijezezeg.pdfIn PDF document text
  • http://circuitvietnamcambodge.com/hinhanh/file/78836453980.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/bukivikenapiforo.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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