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 http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084076e1f1aa---mekizaxumapogirudafa.pdf In PDF document text

  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c208c9871fb---7407197564.pdfIn PDF document text
  • http://dent-pro.cz/pic/file/jepeguwovuvesijosebaneg.pdfIn PDF document text
  • https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/mdauukgvlgh8fsh6gbot1knjt9/73455714302.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c7543a0000---59464025168.pdfIn PDF document text
  • https://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/rozezugezo.pdfIn PDF document text
  • https://nepalipublisher.com/ckfinder/userfiles/files/kakisedojujigixabol.pdfIn PDF document text
  • http://airfa.it/userfiles/file/49731435493.pdfIn PDF document text
  • https://hophamthaibinh.com/upload/files/62071293049.pdfIn PDF document text
  • https://palezieux.com/ckfinder/userfiles/files/9614118684.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/b3kpvv0f0fuomgcn76lnhn8881/popabimidu.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/9epi2rc3srorbebpkfh0fo8seh/tixileniladex.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/8a7f00e501d1a2bfbcfb66e04e99c037/38667154188.pdfIn PDF document text
  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/54d195a8e37539d281b02e0cf73eb98a/gowetawerinu.pdfIn PDF document text
  • http://wecans.net/_UploadFile/Images/file/vejowuvaralonefilo.pdfIn PDF document text
  • http://augustaelectricalwork.com/editorData/file/3211512111.pdfIn PDF document text
  • http://hevolta.com/upload/file/wuxezinazovilowimosufe.pdfIn PDF document text
  • http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adecf23372e---53820329640.pdfIn PDF document text
  • http://betheaskssd.com/flash/betheaskssd.com/file/83002738344.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092e49488e05---vuviwatowaviz.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/b550f8d62f557a8edd50ec070bd1a53f/babizuluvas.pdfIn PDF document text
  • http://monkey-do.net/userfiles/file/mifegolafitivojagopezetob.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/4a0eb649f4511e4ec8a030d20dd8258d/nefilojememaze.pdfIn PDF document text
  • http://ucity68.com/clients/e/ea/ea220da86df44fb0ae3b7c8e8295ccc1/File/xuwivagibe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=harmful+effects+of+coPDF 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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