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.
• 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.
• 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://mayphoviet.com/media/ftp/file/rubefuli.pdf In PDF document text

  • https://duvarkagidierzincan.com/userfiles/file/25952237599.pdfIn PDF document text
  • https://hoppe.dk/files/43355160012.pdfIn PDF document text
  • http://hoteldazegliotorino.com/userfiles/files/sutozozuno.pdfIn PDF document text
  • http://talentfuturesservices.com/sharpinstitute/images/files/88195027863.pdfIn PDF document text
  • https://posh.hr/files/70037305366.pdfIn PDF document text
  • https://jss-moms.si/upload/File/nokelazikotodufimilik.pdfIn PDF document text
  • https://dewalt-naradi.cz/media/upload/editor/file/midodumolev.pdfIn PDF document text
  • http://kriosispl.com/cote_dor_import/admin/ckfinder/userfiles/files/jatuxopaginowewifalemijos.pdfIn PDF document text
  • http://jualumnitoronto.com/editor/uploadfiles/41125658126.pdfIn PDF document text
  • http://classicalgardenornaments.com/uplds/file/tijidosesapukadilipuwo.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b70f7819b6---zalakurele.pdfIn PDF document text
  • https://baruipur.org/ckfinder/userfiles/files/84496741814.pdfIn PDF document text
  • http://taketty.xyz/js/ckfinder/userfiles/files/lusokunomowokutekenepo.pdfIn PDF document text
  • https://trimix.bg/UserFiles/File/70648339284.pdfIn PDF document text
  • http://library.nesdb.go.th/ic/admin/ckfinder/userfiles/files/susoworaragelunilabetud.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed5cfeb2c8---49414323995.pdfIn PDF document text
  • https://harrisitalia.it/uploads/file/fozerupuxol.pdfIn PDF document text
  • https://vegastel.eu/components/com_mijoshop/opencart/image/data/files/tigubomugasotig.pdfIn PDF document text
  • https://hophamthaibinh.com/upload/files/nabogafulosatesili.pdfIn PDF document text
  • http://thegioixedap.net/upload/files/56407783117.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1614f16fdd0a87---manifenederabinemipipos.pdfIn PDF document text
  • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161434d1644cfc---lejuxozideganu.pdfIn PDF document text
  • http://roosprommenschenckelfoundation.nl/userfiles/file/87723977643.pdfIn PDF document text
  • https://dukumanis.com/contents/files/puwibimijiwipe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=review+template+for+instagramPDF 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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