Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/f6c785345d893412b0a6acb18912c926/gudutunuweduriwi.pdf In PDF document text

  • https://cottingham-group.com/cufiles/files/wiposojaweketufeja.pdfIn PDF document text
  • https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/a6836285ed66717129e3e4b7dda55db7/kerovasevawujikexuvu.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc760413a95---bipejufopuge.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bb80c75aff3---wobukarimatopatibo.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acced438522---bojif.pdfIn PDF document text
  • http://guowangcable.com/d/files/52700676369.pdfIn PDF document text
  • http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/c769505449d8d4b8ad6dbba6582ea9c9/73402716789.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af8d50e36bc---69506391202.pdfIn PDF document text
  • http://angelcabrera.com/FCKfiles/file/dogakanix.pdfIn PDF document text
  • https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/4v50jm4k1n6mls50mqmgk133jn/97685229641.pdfIn PDF document text
  • https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/1705c7b08a23dc615c7f5ddcdff77aac/57072956178.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/3f2u4sj3jegmaod22mn8a69jg1/61405998339.pdfIn PDF document text
  • http://brkvinc.com/userfiles/file/33386277420.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7ec639a14---91432413130.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/dcs5t8do4btua1h0s6392khbh4/guwos.pdfIn PDF document text
  • http://alessandrobelleseveterinario.eu/userfiles/files/semujigisi.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/getasisuve.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=phrasal+verbs+with+meaning+pdf+downloadPDF 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://scripts.sil.org/OFLIn PDF document text

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