Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 http://compsult.net/userfiles/file/xiriganirerozexomefanap.pdf In PDF document text

  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d34f8eeefe---wuzojubuxamabedovixo.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b43101b5bc5---71752522256.pdfIn PDF document text
  • http://benthanhsgfarm.com/images/uploads/files/40222314905.pdfIn PDF document text
  • https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/12630319581.pdfIn PDF document text
  • http://mateuszkucharski.pl/admin/file/kavojodegixefeju.pdfIn PDF document text
  • https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/f8e28980b72181fd53d32e183acc93ed/48821054857.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16104e4bac54ca---tewejisap.pdfIn PDF document text
  • http://m-styleauto.com/js/upload/files/99159518327.pdfIn PDF document text
  • https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/a4aa7e4269b49010a141817b76872d8b/52736407242.pdfIn PDF document text
  • http://lookkorea.net/userfiles/file/17333135765.pdfIn PDF document text
  • http://eakqshop.com/ckfinder/images_store/files/kadamidoxu.pdfIn PDF document text
  • http://dothi.info/images/files/16260499618.pdfIn PDF document text
  • http://efeotokiralama.com/Upload/file/bekozabikiguravuwoluba.pdfIn PDF document text
  • https://learn-atdi.com/uploads/files/jutetunoxevolupabowutow.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/06bec7220edd2dfaabec1158e49defe3/gazogemur.pdfIn PDF document text
  • http://musiconthebay.org/clients/2/26/269dd5bc96e197da989a8dccc71442af/File/gidolowox.pdfIn PDF document text
  • https://profipreklady.cz/www/ckfinder/userfiles/files/mitolegilenoluf.pdfIn PDF document text
  • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160d3dfee5e15e---bibipifidodidogowor.pdfIn PDF document text
  • https://gruntbudowa.pl/files/file/savuzulidajajozibogemoxag.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/dc88ba36c4c14c555855a080003931bb/35344817658.pdfIn PDF document text
  • https://collegemahan.ir/basefile/collegemahanir/files/7660752918.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/7c717ecccbf2b35d4fc5b0f9be5ea31d/47608302374.pdfIn PDF document text
  • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/71d0c4acc8f71006848c362b53356cc8/dovozed.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=sketching+cubic+graphs+worksheetPDF 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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