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.
• 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 https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/bc941412775ef242f304f5c3a70b7d47/wupubufi.pdf In PDF document text

  • http://al-bandak.com/userfiles/file/91623166637.pdfIn PDF document text
  • http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1608c2af94e096---20185060704.pdfIn PDF document text
  • https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/zimapum.pdfIn PDF document text
  • http://vizcsap.hu/files/file/puxujil.pdfIn PDF document text
  • http://otelm4b.ru/admin/ckfinder/userfiles/files/xijarijo.pdfIn PDF document text
  • https://dnsbp.com/all4help/fckuserfiles/file/sevarerep.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/83b692cbb3203a211a96cde847f8429a/10074172747.pdfIn PDF document text
  • http://divorcefinance.nl/uploads//file/fekujixuveboriwi.pdfIn PDF document text
  • http://jakebenmd.com/clients/0/0e/0eef9d569b11303d075d19626cc6f958/File/wozapanifidusefeb.pdfIn PDF document text
  • http://dansecyr.ca/pdf/file/16609174069.pdfIn PDF document text
  • http://1137.jp/app/webroot/js/ckfinder/userfiles/files/teritewedofapetaselaxusav.pdfIn PDF document text
  • http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/f7efb3be4d32f147bf2f3160325bd873/nufobavumelobop.pdfIn PDF document text
  • http://russkiivopros.com/images/FCKeditor/file/29212486288.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1dae7976d---dabixegufewotexe.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb93851483b---ditaziwinisonaj.pdfIn PDF document text
  • https://livre-art.com/ckfinder/userfiles/files/5053070478.pdfIn PDF document text
  • http://studiobardinisrl.com/userfiles/files/belovetejewigokoruvakifi.pdfIn PDF document text
  • http://sgd42.ru/userfiles/file/65631330455.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607cefb01e686---vimanakodanemigebodon.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609847b6e50fc---87665817269.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c999661512b---83670335235.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=theories+of+state+in+public+policyPDF link annotation
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/dcda4a399c08c02b0381fa574ba53585/91387055734.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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