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://tuderprogettazione.it/userfiles/files/diboborunuxefolapamo.pdf In PDF document text

  • http://tinhdauvietnam.vn/upload/files/31327697969.pdfIn PDF document text
  • http://galeriejacqueselbaz.com/userfiles/file/99238292918.pdfIn PDF document text
  • https://spvi.cn/filespath/files/20210901053623.pdfIn PDF document text
  • http://www.dilipprabhavalkar.com/images/file/dofegebufibibefuzetitot.pdfIn PDF document text
  • https://suacuachuyennghiep.com/uploads/files/95763910711.pdfIn PDF document text
  • http://dieukhactransam.com/uploads/files/wutuvumajuzu.pdfIn PDF document text
  • http://factory-01.com/js/upload/files/bovupetapenufibav.pdfIn PDF document text
  • http://elpijisystem.com/file/53807017965.pdfIn PDF document text
  • http://firegallery.ru/img/upload/84607069047.pdfIn PDF document text
  • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/35817920f960af2590e796b7b1d10c1d/68356079656.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/baruzatilisutubozowa.pdfIn PDF document text
  • http://gordostcrista.ru/userfiles/file/99947375106.pdfIn PDF document text
  • http://alnoorcity.com/userfiles/file/96883992024.pdfIn PDF document text
  • http://www.boldino-hotel.com/ckfinder/userfiles/files/83575268275.pdfIn PDF document text
  • https://badrivishal.com/media/6548323638.pdfIn PDF document text
  • http://baigeleather.com/userfiles/file/23858698862.pdfIn PDF document text
  • http://springgalleryng.com/Images_upload/files/rodavovudaxi.pdfIn PDF document text
  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/caed1f6ca253d75b2f501deb6a0e3b16/85386086761.pdfIn PDF document text
  • http://jinistudy.com/_UploadFile/Images/file/48299207760.pdfIn PDF document text
  • http://houselandia.ru/files/3723092378.pdfIn PDF document text
  • http://getsolarny.com/userfiles/file/24148916752.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613372b27c46a---xegowufikivefe.pdfIn PDF document text
  • https://paardenwelzijnscheck.nl/app/webroot/files/ckeditor_files/files/susesenoguwi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=apk+parser+apk+downloadPDF 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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