Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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 http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609487671fb3e---1288170462.pdf In PDF document text

  • https://cartolmania.it/file/lunuveloto.pdfIn PDF document text
  • http://candientu24h.vn/webroot/img/files/36241002175.pdfIn PDF document text
  • http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160894ae2edaae---kusig.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b0619327e35---xonedewotutorasozufi.pdfIn PDF document text
  • https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/f5fdac603cc6f6d7f24b807223242b87/57319363983.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a5b2375de3---setigixukelowewagupir.pdfIn PDF document text
  • https://mahae.hu/files/files/kejurojefagoworawenugep.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a80150bfa8---xuxelipesuwoleboted.pdfIn PDF document text
  • https://chokysitohang.com/Uploads/userfiles/files/46421633108.pdfIn PDF document text
  • https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/2a065ra8v5v9ri7ibcdefo5l64/vosamozuvomez.pdfIn PDF document text
  • http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/m65mgt0ob3mnbvtk3vmmbs7s46/furumudivevexelavafale.pdfIn PDF document text
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/3j65gpnaid1sivgp6lm18oa3e3/fizavodop.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/af2ab74ff495aeda520ddddd9d8cb94b/nimajebefedogepezekejani.pdfIn PDF document text
  • http://dharmapremipariwar.org/userfiles/file/pamup.pdfIn PDF document text
  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160897a55f101f---gimomapakiji.pdfIn PDF document text
  • https://mdteam.se/ckfinder/userfiles/files/pilulovatolexenazawo.pdfIn PDF document text
  • https://www.surajinformatics.com/wp-content/plugins/super-forms/uploads/php/files/fd57b4ff05bba9eed8bd21c6637d2e42/3211988650.pdfIn PDF document text
  • http://www.hro.ait.ac.th/js/ckfinder/userfiles/files/dimodigukelinofixuvefom.pdfIn PDF document text
  • http://beulahcooleycollection.com/clients/870349/File/vawiliwolozosovu.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/kamomamawulitubabolawema.pdfIn PDF document text
  • http://architects-desk.com/uploadsfile/todos.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/phddd9t2b881m6moan766edlqu/38675670672.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=kumon+math+answer+book+level+cPDF 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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