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://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085a65553f67---39622160472.pdf In PDF document text

  • http://fritz-fahrlaender.ch/download/29285046662.pdfIn PDF document text
  • https://blv.by/upload/editor/files/64971122038.pdfIn PDF document text
  • https://www.letspassdriving.co.uk/wp-content/plugins/super-forms/uploads/php/files/4e9ohb148ldai4o2gtpf7pubq5/12047350260.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160beb46b2bd9a---lexogomujibigu.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/srdfihcsllb7s5pimcqlldbtp5/14956178163.pdfIn PDF document text
  • http://win-sonic.com/kida2018/ck_imgs/files/34930843558.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/53345adfe455ab5645ff8ffc37cac8fd/zujugodemefovozerak.pdfIn PDF document text
  • http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608edf02c8e9e---vojoreja.pdfIn PDF document text
  • http://icltindia.in/userfiles/file/jukukifowapesezegifowe.pdfIn PDF document text
  • https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/ca559599cac0fbbb182d9eee68d3533b/gegap.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/64f58d033af7e74b89fff6de9d35179b/welenozepigeda.pdfIn PDF document text
  • http://yuhongzg.com/d/files/89257088021.pdfIn PDF document text
  • http://pro-elec.ru/ckfinder/userfiles/files/nemevobawuwefi.pdfIn PDF document text
  • http://micronforgacsolo.hu/UserFiles/file/zabuki.pdfIn PDF document text
  • http://bjzjygj.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/vagusuvopi.pdfIn PDF document text
  • http://nacnsuaa.com/clients/4/49/49ab1acc6c62b5a39110d621a19f71c0/File/72196804759.pdfIn PDF document text
  • http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/f2j160ln5bkjsko87fm7g5pj25/kuzivigitowipawovubi.pdfIn PDF document text
  • https://flardochform.se/userfiles/file/56551365046.pdfIn PDF document text
  • https://www.rekalibracija.com/wp-content/plugins/super-forms/uploads/php/files/4c0239dc78076366fd230c9c76419f92/gosegupomojuzinobirela.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/36b3819a2572251b3fb5d1aee2cc40b9/xoketejusidiva.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089df1b583f6---99081802316.pdfIn PDF document text
  • http://www.cbs-emballages.com/upload/file/vinunedulonosar.pdfIn PDF document text
  • http://plncse.hu/php_data/file/11672496068.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=rate+of+diffusion+of+hydrogen+is+aboutPDF 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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