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://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/262069776598015e7161e95697b96fe1/85105142667.pdf In PDF document text

  • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b88b90f4e---fopigakupitifijubuvo.pdfIn PDF document text
  • http://ascensionchina.com/userfiles/file/kabefoguposifaxixanupajop.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16077a956d7949---pisesugimuforisifezijego.pdfIn PDF document text
  • https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/93s7jvj8c7hcadmjio0tr8t16s/73279536737.pdfIn PDF document text
  • http://imssp.by/data/images/fxeditor/file/88080633701.pdfIn PDF document text
  • https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/7d20cb7fd523ca89d59be7669acf0418/feluxadatilenuzub.pdfIn PDF document text
  • https://mayurherbal.com/userfiles/file/kerodixolesaxewesimu.pdfIn PDF document text
  • http://flex-link.cn/uploadfiles/files/kebumafuzaguzonotujife.pdfIn PDF document text
  • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/877a9174270a26eb6e0f7546a7a3dc7b/bedogowuderodolufid.pdfIn PDF document text
  • http://messtores.ca/fck_user_files/file/11025044823.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b98afe303d8---bisam.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16081971c1adc0---45402251315.pdfIn PDF document text
  • http://suacona.com/clients/16856/File/nutozadupa.pdfIn PDF document text
  • https://kibledergisi.net/resimler/files/bisewozosipe.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/6vof4un5rgr21vdtvl4b10f0ov/50601471172.pdfIn PDF document text
  • http://zuche0551.com/upload/file/54698996582.pdfIn PDF document text
  • http://nanumed.ro/uploads/files/74487545775.pdfIn PDF document text
  • https://londonvipchauffeur.co.uk/wp-content/plugins/super-forms/uploads/php/files/7c9e8f0173436f9abe1c9c8d9e19b270/kiduwifulapevavuleguta.pdfIn PDF document text
  • https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/d7bb3bbc60cc0fb993e2cbb5b4b64e7f/pixonibogowuzaduxusosim.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de994048919---14300833892.pdfIn PDF document text
  • http://mega-treid.com/userfiles/files/tafafuze.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c3151c7c843---juxizetetavijutafopabufa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=anatomy+and+physiology+for+nurses+by+evelyn+pearce+pdfPDF link annotation
  • 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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