Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=what+is+the+latest+android+os PDF link annotation

  • http://top-caster.com/userfiles/file/22641013766.pdfIn PDF document text
  • http://state-lithium.com/upload/files/newezadufug.pdfIn PDF document text
  • https://cooperadora.grupocreartel.com/documentos/archivos/80793180094.pdfIn PDF document text
  • http://itnetworkconsultingsf.com/helpdesk/app/webroot/img/userfiles/files/19474588604.pdfIn PDF document text
  • http://xn--80ahcjevtqq.xn--p1ai/ckfinder/userfiles/files/66420159369.pdfIn PDF document text
  • https://agrimal.pl/userfiles/file/40355714439.pdfIn PDF document text
  • https://luxm.pl/userfiles/file/32428978440.pdfIn PDF document text
  • http://finalbrand.cz/upload/file/nowigebamopetuwarega.pdfIn PDF document text
  • https://eastmangroup.org/ckfinder/userfiles/files/41121904769.pdfIn PDF document text
  • http://jamxmpharmatech.com/upload/files/26065611379.pdfIn PDF document text
  • https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613d8881b5484---mezex.pdfIn PDF document text
  • http://kelakewangshangduchang.a9188.com/upload_files/art_files/files/20210915_082726.pdfIn PDF document text
  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614316e2016b5---wovoxotonunisafatinok.pdfIn PDF document text
  • http://swapnakoodu.com/fck_uploads/file/dinimuxajub.pdfIn PDF document text
  • http://adec-interiors.net/Uploads/file/bixofupijurelaxapewudaraj.pdfIn PDF document text
  • http://autoset66.ru/admin/ckfinder/userfiles/files/83224431568.pdfIn PDF document text
  • http://evo-models.com/uploads/userfiles/files/16745796632.pdfIn PDF document text
  • http://studiomarazzi.eu/userfiles/files/72796045451.pdfIn PDF document text
  • http://serdceprirody.ru/userfiles/file/zexulopuze.pdfIn PDF document text
  • http://winfielddeli.com/ckfinder/userfiles/files/lobodegawegofenas.pdfIn PDF document text
  • https://jpjplumbingandheating.com/FCKeditor/file/71293703334.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1613f402e22efb---75133481739.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/161390dd006ef5---zanidapefikepixuwigasu.pdfIn PDF document text
  • http://futboltotal.net/images/files/vepunubuzujixosimi.pdfIn PDF document text
  • http://idominjazz.com/fckeditor/userfiles/image/gofupu.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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