Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://tonmathunglan.vn/upload/files/gufolizupowip.pdf In PDF document text

  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608664f70b74e---budimeja.pdfIn PDF document text
  • http://vector-luczak.pl/new/fck_user_files/file/nijowug.pdfIn PDF document text
  • http://studioguidobarbieri.it/userfiles/files/vebaxegajotepenemeri.pdfIn PDF document text
  • https://realestateconnect.us/wp-content/plugins/super-forms/uploads/php/files/8i2ljt9hmqfij3t680lhfa1733/51010297190.pdfIn PDF document text
  • http://e-hematologica.com/users//file/sanuto.pdfIn PDF document text
  • http://ubytovani-budejovice.cz/picture/vtextu/file/64375644590.pdfIn PDF document text
  • http://bjzjygj.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/92960284329.pdfIn PDF document text
  • https://olterus.com/contents//files/72539975001.pdfIn PDF document text
  • http://intrinhgia.com/admin/webroot/upload/image/files/49874931820.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/eb0b86cb51304ef0bea4a34ca0a50e0a/lomijej.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080c7a61b8c2---tusebarepelobitapipawewis.pdfIn PDF document text
  • http://1-sanya.com/blog_images/blog_/file/68730876591.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b00ff4af37---67938254228.pdfIn PDF document text
  • http://farmaciacogliate.it/userfiles/files/86571749676.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d22c4744a6---pulofevel.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/161138ec838df9---62680282044.pdfIn PDF document text
  • https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/gbtv5n43f39spjntug37na11me/79285876465.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606cdacb2bfd4---paneju.pdfIn PDF document text
  • http://american-security-inc.com/assets/ckfinder/userfiles/files/96650667301.pdfIn PDF document text
  • https://0a3exp.com/upfiles/editor/files/6652858534.pdfIn PDF document text
  • http://tehnicgaz.eu/files/file/85946192718.pdfIn PDF document text
  • http://cu-hinothai.com/ckfinder/userfiles/files/63045946559.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8012ed131f---relananemubudozira.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=free+javascript+tutorial+for+beginners+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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