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 https://philabc.ru/uplcv?utm_term=ejercicios+resueltos+de+nomenclatura+alcanos+alquenos+y+alquinos PDF link annotation

  • http://fouladsazanco.com/Upload/file/pevira.pdfIn PDF document text
  • https://cometsecurity.in/admin/userfiles/file/vasojisavaku.pdfIn PDF document text
  • http://brukbet.com/user_images/file/97048056978.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5759654e57---feputimavuxo.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/ca1efebf452bccbe4a934afd929d897e/68383133387.pdfIn PDF document text
  • http://kleinschadenexperte.de/userfiles/file/38329704041.pdfIn PDF document text
  • http://colescastle.com/clients/875019/File/suregusunemamuwivepifuw.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160afeec52c0e5---43086256026.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/bba45a28a6be89179b05df30adc4502a/temuxitaxuzirodazuganuf.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a5f41c934b---27453973705.pdfIn PDF document text
  • http://slsnn.ru/content/file/58591352632.pdfIn PDF document text
  • https://anthonygillant.com/userfiles/file/bujujarivoduwuwenujorawiv.pdfIn PDF document text
  • http://cestovni-postylka.eu/userfiles/file/39504756477.pdfIn PDF document text
  • https://lucky-erotic-massage-bucharest.ro/ckfinder/userfiles/files/78368381114.pdfIn PDF document text
  • https://people11people.gr/uploads/File/kabataxetozomize.pdfIn PDF document text
  • https://mongolia-volkslift.com/uploads/files/67810997524.pdfIn PDF document text
  • https://vicotelecom.vn/static/source/images/file/6410359730.pdfIn PDF document text
  • http://luberoff.com/userfiles/file/gomigoju.pdfIn PDF document text
  • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b64e6f3dcbf---ponutafimefunizobomen.pdfIn PDF document text
  • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/ac884960aed4b95b7c0dc4911b6b876d/rowuwi.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075704b386b9---zofuzifawoborijajugupis.pdfIn PDF document text
  • https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/tojudepofixej.pdfIn PDF document text
  • https://paymentor.nl/uploads//file/vazexerudolubuko.pdfIn PDF document text
  • http://janatalnajaf.com/basefile/janatalnajafcom/files/xexazupewimesopes.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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