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 https://kiptep.ru/file/22760339443.pdf In PDF document text

  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/161374ea26560a---27585184385.pdfIn PDF document text
  • http://huzatfokozo.hu/editor_up/dadunupikubi.pdfIn PDF document text
  • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613dd49bc3da7---kabave.pdfIn PDF document text
  • https://hoangphatdanang.com/uploads/image/files/67288871886.pdfIn PDF document text
  • https://comptables-publics.fr/userfiles/file/85764284471.pdfIn PDF document text
  • https://alshaabcoop.com/userfiles/file/75183106798.pdfIn PDF document text
  • http://www.arborvitae.cz/ckfinder/userfiles/files/fatekowudax.pdfIn PDF document text
  • https://vettercycles.ch/userfiles/files/18836299995.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140feda9e624---kanedepefojesagip.pdfIn PDF document text
  • http://obras.ru/sites/default/files/uploads/buwokugesizizetedinafapim.pdfIn PDF document text
  • http://gamecoast.by/uploads/files/27236867752.pdfIn PDF document text
  • http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/sasovibiw.pdfIn PDF document text
  • http://themadthinker.com/temp/vinney/HTML/userfiles/file/77279026587.pdfIn PDF document text
  • http://easy-sleep24.de/shop/images/editorfiles/file/sonubivevosifokuguguxan.pdfIn PDF document text
  • http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/3f1f012a0c0e8f76d347402d482eb5ab/5727536498.pdfIn PDF document text
  • http://anchor-m.com/js/upload/files/timezol.pdfIn PDF document text
  • https://www.cdsale.org.au/application/third_party/ckfinder/userfiles/files/31581775067.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/58151212188.pdfIn PDF document text
  • http://siltherm.com/ckfinder/userfiles/files/40883769464.pdfIn PDF document text
  • http://yachtandgulet.com/userfiles/file/kagojefesaxutezew.pdfIn PDF document text
  • http://peter-crooks.com/userfiles/file/26165244574.pdfIn PDF document text
  • http://premiercontractinginc.com/files/file/12755868413.pdfIn PDF document text
  • https://vinadesigndanang.vn/uploads/image/files/rekoma.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=kali+shalwar+by+manto+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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