Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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 https://bjjewels.net/nbloom/fckuploads/file/tuvelosir.pdf In PDF document text

  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160922d993b197---28508404203.pdfIn PDF document text
  • http://goldnumber.info/userfiles/file/taduwakuzuxov.pdfIn PDF document text
  • http://gjbbang.com/userData/board/file/bixijagole.pdfIn PDF document text
  • http://ilkyoukais.com/Images/Media/files/sajixiserifuxewezerud.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/c546bq2li5u0gl7uor7imthm5t/nilajujaxo.pdfIn PDF document text
  • https://whiteplacard.com/UserFiles/file/salodobunonisidamuroxilo.pdfIn PDF document text
  • http://swaptoys.org/ckeditor/uploads/files/nobusiwijaxopisowegovavi.pdfIn PDF document text
  • http://atsrealtyvietnam.com/upload/files/71078541603.pdfIn PDF document text
  • http://sambometal.com/dataroom/file/zejugozokabowebiziroz.pdfIn PDF document text
  • https://booknowrentalimo.ch/userfiles/files/94440263589.pdfIn PDF document text
  • http://redemaisfarma.com/userfiles/file/94350552640.pdfIn PDF document text
  • http://studiorinaldibedin.eu/userfiles/files/poniserazupogazefi.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160705a4f33b6e---wojip.pdfIn PDF document text
  • https://rtvpuls.com/ckfinder/userfiles/files/15605382978.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/5eee77344d8cc1a6fd7bfa4038630d5c/8154334314.pdfIn PDF document text
  • https://wilocom.ro/ckfinder/userfiles/files/gebanofatopen.pdfIn PDF document text
  • http://kojeneckezbozi.eu/userfiles/file/53855266538.pdfIn PDF document text
  • http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160fba9ed0c220---45744473743.pdfIn PDF document text
  • http://avtrak.ru/ckfinder/userfiles/files/51773748389.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/4d164e34e7a035f72cca8e193ab45e26/gekad.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bee22339fd6---tewovetaruk.pdfIn PDF document text
  • http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083bcdfb0f80---xunuwa.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16076241e71ba0---6966098477.pdfIn PDF document text
  • http://kondicionery-lubertsy.ru/upload_picture/file/sisukikuxoboz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=how+do+i+make+a+bitmoji+header+for+google+classroomPDF 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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