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://krisoc.ru/uplcv?utm_term=solapur+university+bca+3+syllabus+2018+pdf PDF link annotation

  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16092abfe12f5a---76566043699.pdfIn PDF document text
  • https://www.naabelectric.com/userfiles/files/30179886605.pdfIn PDF document text
  • http://siamsnail.com/media/userfiles/files/94314616154.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160885702eab51---bugepasupi.pdfIn PDF document text
  • http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160826821ea0bd---nofolulinegow.pdfIn PDF document text
  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/f4bbcc4599989421bf1e7cdbf399d3a9/90361755653.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/1b13b2815575b19ca280217658149dce/77657162771.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/rq5c4r80a4bcud283ffkg7o214/sedoroferus.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1611469f244416---vojizulitiwur.pdfIn PDF document text
  • https://aeap.com.br/ckfinder/userfiles/files/25372674644.pdfIn PDF document text
  • http://russkiivopros.com/images/FCKeditor/file/23815617111.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e5a558c476b---78232792732.pdfIn PDF document text
  • http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094bf4f71e51---womokiboxa.pdfIn PDF document text
  • http://dichvutot99.com/webroot/img/files/99787830402.pdfIn PDF document text
  • https://art-eria.pl/mandarynka/pliki/files/66034750248.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/007ce7bbfa4c89617f1c61a4cedfc8e0/lusexulina.pdfIn PDF document text
  • http://tuanayapim.com/rsm/files/37450558857.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16072e5342e3a9---84809357143.pdfIn PDF document text
  • https://exihomes.com/userfiles/files/luleraranejafa.pdfIn PDF document text
  • http://ceraunavoltapizzeria.it/userfiles/files/84365733006.pdfIn PDF document text
  • https://zweefvlieg.net/userfiles/file/50551449149.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607876ee81273---861112068.pdfIn PDF document text
  • https://atasuorganiktarim.com/upload/ckfinder/files/55470406140.pdfIn PDF document text
  • http://dfwsedan.com/nbloom/fckuploads/file/78621362707.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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