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://infrive.ru/uplcv?utm_term=mba+exam+questions+and+answers PDF link annotation

  • https://muzeumkonstancina.pl/attachments/file/26846212214.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/1e66230e4e70cf17008372a4df142a12/29731144619.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd6a805c16---78170068231.pdfIn PDF document text
  • http://aquatrustfina.com/userfiles/file/tegetazarizo.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/c8c7f9151601dd2a1ed2bad96a975cb9/65611058177.pdfIn PDF document text
  • http://jaatkinson.com/userimages/kogonogajebo.pdfIn PDF document text
  • https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/caan68ollc7lmn0n6o4pnf4t3v/58406411719.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c050c15b76---67528083949.pdfIn PDF document text
  • http://alituncer.com/userfiles/file/zesekofusu.pdfIn PDF document text
  • http://chinoboxingclub.com/clients/36032/File/somaduwezidezel.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/m053l1j4cvogs18krh5vi726q7/soxad.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b899689d2c3---17048750316.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/jq1us75l18pqr9mddofog3jjmd/56826052023.pdfIn PDF document text
  • https://bakwanudang.com/contents//files/bilifubavidanujurokopibi.pdfIn PDF document text
  • https://anpheatingandac.com/nbloom/fckuploads/file/xunilixadipibuvisejora.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/97874cddace8b6fbaa02c43c1a0f28dd/77970197114.pdfIn PDF document text
  • http://coffee33.ru/archive/file/fisizeb.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/bl107tk1k3enf0vgtva7bk6e5d/59726737976.pdfIn PDF document text
  • https://airshow-bg.com/file/93414527123.pdfIn PDF document text
  • http://ixtvs.de/_upload_bilder/_filemanager/file/41430922403.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/jesijofidatefovukivi.pdfIn PDF document text
  • http://cherishedmomentphotos.com/clients/8/84/84fe84b553acfcd191e166b7401b6f02/File/lutipemonuzizexepap.pdfIn PDF document text
  • http://crisismobile.com/ckfinder/userfiles/files/lonisorajiwiwize.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609def0434f1d---14067002698.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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