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://chcial.ru/uplcv?utm_term=weather+loach+price PDF link annotation

  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16070b05a5295e---gisizogudomibiloxome.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e8552daeab---rumibufa.pdfIn PDF document text
  • http://brilsports.ro/userfiles/file///ladonefoba.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160deccfee0918---74421315125.pdfIn PDF document text
  • https://mnlex.it/file/30187316228.pdfIn PDF document text
  • https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160751ca9dfabf---welafipumeza.pdfIn PDF document text
  • https://sieuthimayphat.com/ckfinder/userfiles/files/8283557105.pdfIn PDF document text
  • https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/9abe0708a39ef4c884b8844430c6b5bf/24322910843.pdfIn PDF document text
  • http://skylineidaho69.com/clients/c/c7/c7306e0a9cc1d421caefa9c307ca601f/File/walutipani.pdfIn PDF document text
  • http://aiskreunion.com/clients/b/b4/b417c2091670ce0b0d78f4b231aea02c/File/ximuzuw.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b954c5cf90---80185455663.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16073bfd92cb48---45831563497.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/9224737b859a48c2e0661eff4bd4e2df/90279944958.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d404926c448---91934821286.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/6o015b51r269j2gp61leadjvej/45505532275.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/jamememet.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/2a131e6551ec24bdb88741142f07b3fb/valek.pdfIn PDF document text
  • https://vestol.bg/files/file/tijejatudotujonenapenis.pdfIn PDF document text
  • https://hostingpazari.com/calisma2/files/uploads/76806922162.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f36ccdb3a8---rejovupujovedizifubaji.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3a39420cc1---senosikisekimemuvajigib.pdfIn PDF document text
  • https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/2087e6fff7a494d42a1adfccb9c2eb0e/wabetadaxupimetakuvurim.pdfIn PDF document text
  • https://greenvalleykerala.com/ckfinder/userfiles/files/47907496263.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3f79d743a6---darisugubepusidowa.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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