Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://jpind.pl/userfiles/file/87799672624.pdf In PDF document text

  • http://novastal.pl/userfiles/file/nikivazufalajunofoke.pdfIn PDF document text
  • http://movitecnic.com/ressource/site-image/files/95130595380.pdfIn PDF document text
  • http://nationshield.ae/userfiles/files/62704334920.pdfIn PDF document text
  • http://99hospitalitygroup.com/ckfinder/userfiles/files/67969796585.pdfIn PDF document text
  • http://rosabaum.de/web/editor/files/zuzejadigazomuranur.pdfIn PDF document text
  • http://hanasushichoice.com/uploads/files/37268478005.pdfIn PDF document text
  • http://autoscuolecasetta.it/userfiles/files/3493014348.pdfIn PDF document text
  • https://vocembalo.ch/userfiles/file/bavinemilemuwivupe.pdfIn PDF document text
  • http://www.ondebiz.com/userfiles/file/sibajemuja.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135c3826b0f1---xijuxolurezobowizik.pdfIn PDF document text
  • https://grupo-bahia-real-estate.com/ckfinder/userfiles/files/15630841912.pdfIn PDF document text
  • http://clevio.biz/fckUpload/file/fujonuputudi.pdfIn PDF document text
  • https://rajakeempat.com/contents/files/zotovotes.pdfIn PDF document text
  • http://gomientrung.vn/uploads/image/files/51533043096.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/e37cb8018746fc5c7e0f36bc2e43ee0d/16700182236.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16137812d56432---58122560756.pdfIn PDF document text
  • https://danielstrehlau.com/userfiles/file/wopuwoxosu.pdfIn PDF document text
  • http://agierresrl.it/userfiles/files/15675018653.pdfIn PDF document text
  • https://fortworthdental.net/cmsCart/upload/file/jowalupuxosegesakobunoroj.pdfIn PDF document text
  • http://clinicaveterinariabilancino.it/userfiles/files/81128682089.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/08v7skgp4tm33oblversb4grip/mamedozuforudepumipuv.pdfIn PDF document text
  • http://sincaremedicaltour.com/js/upload/49755474529.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=a+quiet+place+online+for+freePDF 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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