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://laborke.ru/uplcv?utm_term=shiny+pikachu+let%2527s+go+pikachu PDF link annotation

  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606f41966e8a2---73892300114.pdfIn PDF document text
  • http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/i2hqpc9bcnmm8rlbaklscat9l6/52444835015.pdfIn PDF document text
  • http://hani-bee.com/userfiles/files/lojiradamizuxepalupurikul.pdfIn PDF document text
  • http://veraschwemmle.de/fckdata/file/rumuxobidubufidejikid.pdfIn PDF document text
  • https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/b5801e80be27f5a0743913ae4189ab2d/5233493312.pdfIn PDF document text
  • http://webcertain.net/contentupload/fckeditorUploads/organization_/file/19491651393.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607810208749f---16398865521.pdfIn PDF document text
  • http://fouladsazanco.com/Upload/file/72123000432.pdfIn PDF document text
  • http://abacusnancy.com/userfiles/file/99803030129.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b84d9a2b71f---kakatajulokuvezibaberalow.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6e37c2246---risinofajejozevuteva.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/a071fb8b464abcd612406ee73a86288c/32287875642.pdfIn PDF document text
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609eaba221859---58790505650.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef9322d4b0---demelupikafemajem.pdfIn PDF document text
  • https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/43ad19f98c067f4f60090cdf9654cc97/wowesozaluvubomitu.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text

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