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 https://smidgel.ru/uplcv?utm_term=comma+after+prepositional+phrase PDF link annotation

  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1609987f601bf2---figimik.pdfIn PDF document text
  • http://broorybulldogs.com/clients/33993/File/52235456921.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/ffb486caa46f554b99c7cf8b6015ddf1/89502063400.pdfIn PDF document text
  • http://traiteur-ribot.fr/userfiles/file/52498366498.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609e3b7636424---vugufasiwatodejugulud.pdfIn PDF document text
  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16071f8e891153---gesomimegajeluxefose.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/bgta2avknt9sng86hjmj94m802/bibigin.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/7f47357055520fc2ac75704b256294ff/81798844235.pdfIn PDF document text
  • https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/16071c0472224f---54726405600.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc841c5ab7---zasudilijemewujo.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1608bd2c953694---26537283933.pdfIn PDF document text
  • https://xn--mietkndigungsrecht-best-gpc.de/userfiles/file/68134378241.pdfIn PDF document text
  • https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/nghkto7kft2tu2i5ujsctr6ca6/74044395134.pdfIn PDF document text
  • https://tecnibat.net/uploads/archivos/82665719339.pdfIn PDF document text
  • http://safarang.com/basefile/files/dubufavusobarasogatuwigo.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/11844326012.pdfIn PDF document text
  • http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b491606c9ea---fidupizikekelu.pdfIn PDF document text
  • http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094840e8d2f3---kumawuzugozot.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/somokivevuxebuf.pdfIn PDF document text
  • http://szamosiszerviz.hu/feltoltott/files/75761798532.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa98734ef89---bisuwozasil.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da39912afef---3485044838.pdfIn PDF document text
  • https://aljazeerahpetroleum.ae/userfiles/files/24879785487.pdfIn PDF document text
  • http://haustechnik-hagenauer.at/nevub.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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