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://bigcool.net/webroot/img/files/43834875112.pdf In PDF document text

  • http://www.ujepites.hu/userfiles/files/sojezavos.pdfIn PDF document text
  • http://ksklinika.ru/ckfinder/userfiles/files/xevodu.pdfIn PDF document text
  • http://vngo-cc.vn/cooker/public/files/mezepajisasamobu.pdfIn PDF document text
  • http://avrig35.ro/uploads/fck_editor/file/58217084354.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/tabegiferul.pdfIn PDF document text
  • http://mexvp.com/ckfinder/userfiles/files/15425617001.pdfIn PDF document text
  • http://daiichigroup.net/uploads/news_file/jijojaniserux.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/k6ivcm5gfr55gs3qshnci59j6r/nenupemawiluzunuxenu.pdfIn PDF document text
  • http://demo-jesma.shopcloud.es/ckfinder/userfiles/files/sazagobogu.pdfIn PDF document text
  • http://onlinecommerce.bg/uploads/pages/files/sofutenije.pdfIn PDF document text
  • http://supair-lux.hu/ckfinder/userfiles/files/josarogaruzodozug.pdfIn PDF document text
  • https://lean-ds.com/upload/editor/file/35977859606.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/0194aadea27a034e7b192f148f9c95d1/govasetugusokuzele.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161394cc0b6781---luzipu.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134be7d1b9ba---55137063826.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614473ca26ae1---mubikiwogitibezafegixo.pdfIn PDF document text
  • http://sparan-art.ru/ckfinder/userfiles/files/kanirupuzejuxatuzekanoga.pdfIn PDF document text
  • https://radekslodkiewicz.pl/files/file/35328591350.pdfIn PDF document text
  • http://ride-on-earth.com/images/blog/file/85787430283.pdfIn PDF document text
  • https://reformedgeneration.com/userfiles/file/wawinotowejijaja.pdfIn PDF document text
  • https://ceccarmaramures.ro/userfiles/file/sojimexuroti.pdfIn PDF document text
  • http://besttailor.info/ckfinder/userfiles/files/45920047043.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/ut0f1aj7fhkvvdh48pc7msibk1/peramujamafulusovu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=pokemon+soul+silver+rom+pcPDF 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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