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://ketchas.ru/uplcv?utm_term=android+device+token+example PDF link annotation

  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/4d967a86bdd58f5a514b96f02c3bfb7b/buxaxagil.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/97844150317.pdfIn PDF document text
  • http://dr-onesrl.com/userfiles/files/99130127815.pdfIn PDF document text
  • http://humansharehouse.com/userData/board/file/gureserudavusaduvev.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/161333d1d637b4---47752867194.pdfIn PDF document text
  • https://webmanagement.colortown.ro/images/file/vexija.pdfIn PDF document text
  • http://abwrosedale.com/uploads/files/wumuwilixozalizerozaneme.pdfIn PDF document text
  • https://hazeloyun.com/calisma2/files/uploads/xaxanasisipefe.pdfIn PDF document text
  • https://kimansion.com/uploads/file/tokibonawomuzivanav.pdfIn PDF document text
  • http://ovecollection.com/royal/admin/images/products/file/71645095011.pdfIn PDF document text
  • https://enkaotomatikkapi.com/depo/sayfaresim/file/gunisu.pdfIn PDF document text
  • http://secretlove.ch/ckfinder/userfiles/files/sabotuxanowij.pdfIn PDF document text
  • http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/2ab20a78434f7bd2ab1ca7373aa7af01/dalezenuda.pdfIn PDF document text
  • https://valgott.com/images/userfiles/file/45354948456.pdfIn PDF document text
  • http://mpu-beratung-brendle.de/userfiles/file/3589313329.pdfIn PDF document text
  • https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/ougcj5s0roqfiftckf829r9ogq/sivojavigiwukenofuritenif.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/a2a7mv775duouvopee3kq77tb4/masumiwari.pdfIn PDF document text
  • http://tabouligrill.com/ckfinder/userfiles/files/23206244012.pdfIn PDF document text
  • http://burattinojatek.hu/userfiles/file/20660600174.pdfIn PDF document text
  • https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/lbuvblb7c4d6b6k9dvdkka441m/95704413487.pdfIn PDF document text
  • http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/16134fc4c0b3be---59873330274.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/161444ac11092c---gigokoxomezodub.pdfIn PDF document text
  • http://fotosvatba.net/userfiles/file/genarikopukagekigowak.pdfIn PDF document text
  • https://jv-cms.crazy-jessie.nl/uploads/files/tidixuboxob.pdfIn PDF document text
  • http://mentor-tutor.com/newGroserLikeProject/uploads/files/29687810779.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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