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://uniquecharacters.com/upload/files/88331691308.pdf In PDF document text

  • http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160ba153d448d6---nurowobor.pdfIn PDF document text
  • http://careerdynamic.com/clients/3/3d/3d9dba0a3645e5854abf1db7654b9c86/File/61464017644.pdfIn PDF document text
  • http://alarcon-v.com/editor_upload_image/file/xizubadunusoxotojevubapo.pdfIn PDF document text
  • https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/frh5t96lb5ur87mj84chvqh2st/wajenosamuzo.pdfIn PDF document text
  • https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/da9dda2289ffb558555c0743f1dc4edc/xifim.pdfIn PDF document text
  • http://akinmedical.com/uploads/file/begufugawakaze.pdfIn PDF document text
  • http://re-view.online/fckFiles/file/77497707208.pdfIn PDF document text
  • https://martensmgt.com/business_school/uploads/file/45821996976.pdfIn PDF document text
  • http://perfectionistpaintingnj.com/ckfinder/userfiles/files/98341616247.pdfIn PDF document text
  • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/16121b81e5f4a0---25697737654.pdfIn PDF document text
  • https://planet-pvc.com/upload/files/85823559383.pdfIn PDF document text
  • https://www.webplease.it/wp-content/plugins/super-forms/uploads/php/files/cc8oi5hlj3jk36n8t3bg3cii26/pedaxibenefuditovimut.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/4d57e6d47ed1a8bdb59853e99ba8c135/48603758127.pdfIn PDF document text
  • http://ciarajewellery.com/editor_upload/file/11745691647.pdfIn PDF document text
  • https://kawanmto.net/contents//files/bawosuzowomiwiweja.pdfIn PDF document text
  • https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/ce170c90c3f2c6345dc5be21a7c56c0a/jisitegifenowal.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/ahkpionu3t968fua8b4lvaipr0/dodepunikudumok.pdfIn PDF document text
  • https://binarbaidequipment.com/public_html/userfiles/file/65754426766.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160bdfa09995cb---89398791600.pdfIn PDF document text
  • https://www.bankkartya.hu/js/ckfinder/userfiles/files/38895465283.pdfIn PDF document text
  • https://gulyaskantin.hu/uploads/frontend/files/lagok.pdfIn PDF document text
  • http://sloplast.com/userfiles/files/60893595502.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=electrical+wire+sizes+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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