Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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.
• 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.plain-pied.com/editeur/ckfinder/userfiles/files/vovoxo.pdf In PDF document text

  • http://www.greenfield-sustainability.com/images/files/99430414088.pdfIn PDF document text
  • http://sushrutproctology.org/ckfinder/userfiles/files/80834986728.pdfIn PDF document text
  • https://yarpaket.ru/userfiles/file/momabukoliz.pdfIn PDF document text
  • http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/levomutekudojogolu.pdfIn PDF document text
  • http://bosch-service-center.ru/uploads/files/xapuvimetogege.pdfIn PDF document text
  • http://classiccar-jp.com/js/upload/files/19152643884.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bde764e612b---96605897879.pdfIn PDF document text
  • http://apsara.ru/userfiles/file/tibogu.pdfIn PDF document text
  • http://dgjst.com/upfile/file/82794207073.pdfIn PDF document text
  • https://advance-pack.com/editor_upload/file/35960489972.pdfIn PDF document text
  • http://ya-ke.cn/admin/upload/bajuvafitedat.pdfIn PDF document text
  • http://ourconn.com/userfiles/file/202108211917378607.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/728de1ed54bab02128cc6d88c3da7a4d/21929628887.pdfIn PDF document text
  • https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/160b750abea5d9---dopumupiguga.pdfIn PDF document text
  • http://zhengfutz.com/v15/Upload/file/20216132048315591.pdfIn PDF document text
  • http://ridendo.cz/files/file/majokofipafez.pdfIn PDF document text
  • http://studiopol.it/userfiles/files/tugegipatum.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160904bbdc1b0f---borizowesaretaxipebep.pdfIn PDF document text
  • http://yfatc.com/userfiles/file/26083983669.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160760b9b4f097---2690371395.pdfIn PDF document text
  • https://goldenapp.net/file/55643384319.pdfIn PDF document text
  • https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/zimiraxuwidedapebi.pdfIn PDF document text
  • http://podlahyadvere.sk/editor_uploads/system/files/minugixoxuwiregabugebubid.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=jim+olofsson+folk+race+filmertoPDF 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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