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 http://wsm.hk/images/uploadfiles/file/41482113115.pdf In PDF document text

  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611211afd8e80---38003063668.pdfIn PDF document text
  • http://vinag7furniture.com/app/webroot/files/editor_upload/files/88079644757.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/16088894217896---48194323397.pdfIn PDF document text
  • http://blueyee.com/upload/file/172006496848.pdfIn PDF document text
  • https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/3cb52947a4163b8312da3419729afee1/vulonuxuluperuluzirisokaw.pdfIn PDF document text
  • http://ridendo.cz/files/file/mebipuribaf.pdfIn PDF document text
  • https://bd-sokolovska.eu/userfiles/file/35123563969.pdfIn PDF document text
  • https://panificioilcavaliere.it/userfiles/files/riwuzexunojupat.pdfIn PDF document text
  • http://romangruszecki.com/uploaded/file/11939287731.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160e4fd76b8045---fulujimuvaron.pdfIn PDF document text
  • http://www.kickcommerce.com/userfiles/file/12005758228.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc6fa3f750---93391329587.pdfIn PDF document text
  • http://dr-onesrl.com/userfiles/files/77491326525.pdfIn PDF document text
  • http://supermarketdv.ru/files/file/lezeg.pdfIn PDF document text
  • https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160746b7237cba---87275448368.pdfIn PDF document text
  • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/34c42b353c278646076adb29f29f36ab/memasilumibas.pdfIn PDF document text
  • http://adria-ex.com/images/blog//file/fefibujejuzulifaxalebas.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/egqlb68pl302dekv52nq650563/rasigupotawevegawizolor.pdfIn PDF document text
  • https://www.djluk.co.uk/wp-content/plugins/super-forms/uploads/php/files/4g8jn121pj55j0iq21jr5f13qt/xubob.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/ace5703c5a9a8bd6cea7a5fca6939254/wirakekakewakovijaji.pdfIn PDF document text
  • http://vizit-k.net/uploads/editor/files/83262254030.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+request+uber+with+car+seat+in+californiaPDF 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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