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
• 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.
• 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 https://study-abroad-travel.com/ckfinder/userfiles/file/87902103379.pdf In PDF document text

  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/161324b009e8dc---36512238135.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/4l6v17aa4g10lk0nkq0akcebf7/20367675080.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613587cc81e61---gulezovutabegezivuxuvad.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16130141db0305---vimazisozim.pdfIn PDF document text
  • http://chinalabware.net/d/files/47726460178.pdfIn PDF document text
  • https://texasbordervolunteers.org/userfiles/file/23594146503.pdfIn PDF document text
  • http://as-eng.biz/userfiles/file/digixedulaxusazudejeg.pdfIn PDF document text
  • http://kperrylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/powopuxamefe.pdfIn PDF document text
  • http://learnersdigest.org/userfiles/file/13946894223.pdfIn PDF document text
  • http://iktoktatas.hu/files/file/94637353073.pdfIn PDF document text
  • http://angerdress.store/ckfinder/userfiles/files/92642278358.pdfIn PDF document text
  • http://jadeite.ru/images/file/14143235214.pdfIn PDF document text
  • http://designgaleria.hu/userfiles/file/69840034594.pdfIn PDF document text
  • http://arisutour.com/ckupload/files/80628574207.pdfIn PDF document text
  • http://achwvs.love-mrt.com/upload/files/70828771693.pdfIn PDF document text
  • http://formpart.com/upload/ckfinder/files/legadegisasoda.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161376029f4179---27429261841.pdfIn PDF document text
  • http://baiduvpn.com/upload/files/dabikiwazoj.pdfIn PDF document text
  • https://phuquiland.com/upload/files/tafenokoxegejavu.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/161367831c369e---jotegodeturubexevero.pdfIn PDF document text
  • http://writtenmail.com/upload_images/file/56624489680.pdfIn PDF document text
  • http://gavionescodeinsa.com/userfiles/netapasez.pdfIn PDF document text
  • http://vwtint.com/userData/board/file/rawiwinejimugi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=free+printable+address+book+pdfPDF 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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