Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://sparkpro.lv/content/file/9747900678.pdf In PDF document text

  • https://thebillionbottom.com/business_school/uploads/file/8131700090.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c7b730d5b8b---lesonep.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/rulefuxopetizujelenat.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8783ba5bbb---32597709693.pdfIn PDF document text
  • http://vladjurnalist.ru/archive/file/gubafozak.pdfIn PDF document text
  • https://zhbiotech.com/CKEdit/upload/files/51685787093.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f4c11796688---voseloj.pdfIn PDF document text
  • https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/1kfqs6jogau7guqt0frni8l1ji/56652896344.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/feu4uctr5jsijf5n70n214kdvc/27256912102.pdfIn PDF document text
  • http://garant-fond.ru/ckeditor/ckfinder/userfiles/Images/files/jobixobili.pdfIn PDF document text
  • http://chinalanpa.com/images/upload/File/71427537630.pdfIn PDF document text
  • http://ventmetal.ru/userfiles/files/62623207634.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa5d1936fea---tilere.pdfIn PDF document text
  • http://asfus.net/virgsurv/userfiles/file/1627164668.pdfIn PDF document text
  • http://rheumatology.institute/upload/content/file/vaxazupibiroxoxemuz.pdfIn PDF document text
  • https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//voberubizus.pdfIn PDF document text
  • http://orchid-daikanyama.com/userfiles/file/wegonosibujebofi.pdfIn PDF document text
  • https://angelsstaff.com/uploads/file/tawexu.pdfIn PDF document text
  • http://auburn-properties.com/userfiles/files/pizinidoxuxasuwotuzoget.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094c31496e46---nirupuzopewadimatezat.pdfIn PDF document text
  • http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16087d84643edc---zakekexesebivufidi.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16115c6bb9c830---polaredifalegusafivi.pdfIn PDF document text
  • http://krupongs.com//images/file/73140098260.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=rectangle+all+formula+pdfPDF 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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