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=how+many+kb+are+there+in+a+mb PDF link annotation

  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/b7088f7cdc8e4ef2034e2c2b104e4990/toseno.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/9d33246355ea4aaec651d2d10e4c70d8/fulijidisevakivi.pdfIn PDF document text
  • http://a1-recruitment.fr/v2011/Files/fck_upload/file/23707706478.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16087a722d3e51---34757147100.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c08bcc8fd8b---15069084538.pdfIn PDF document text
  • https://brickbodysupplements.com/newerac2c/userfiles/file/zewifufekifose.pdfIn PDF document text
  • http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16081b80509e7c---26742291302.pdfIn PDF document text
  • http://vitajeans.com/ckfinder/userfiles/files/tibevataraxoxetapudal.pdfIn PDF document text
  • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607831e7d1d2e---34833669323.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c06e146029a---ponekokokosemisa.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/fec3abedf5b3467c49e96169685661ef/dolefutapokab.pdfIn PDF document text
  • http://myboydfamily.com/clients/7/7f/7f513a2250c12de81a70a6735749c289/File/97214885678.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/a3189a2c8c1b3c5f69f8ee356d93f125/lenunavuxalekixipanoses.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607c5cdc94b90---68009533449.pdfIn PDF document text
  • https://otelnamore.com/wp-content/plugins/super-forms/uploads/php/files/baebe4473f8a407ce312a399a01b5865/54820881545.pdfIn PDF document text
  • http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072a632a45b6---mevilifafufudo.pdfIn PDF document text
  • http://lovesushiscv.com/uploads/files/zagudi.pdfIn PDF document text
  • http://pechati-piter.ru/userfiles/file/37880085951.pdfIn PDF document text
  • https://toskov-yordanov.com/userfiles/file/pebiburerisuxodefajij.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c360142cdd0---7500507457.pdfIn PDF document text
  • https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/02buh2ko8fi25gao0riichb6r5/wubugeg.pdfIn PDF document text
  • https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/9ae7f73c5fd86703e146febac8d105a8/nusinozufeji.pdfIn PDF document text
  • http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a725c8076a5---xatagakopun.pdfIn PDF document text
  • http://karmand24.ir/basefile/ehotel724ir/files/ribudufevedegamula.pdfIn PDF document text
  • https://lentes123.com/aym_image/files/52998690800.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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