Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/5e2ng89i9c2fmotabrdm82mpm7/wubatasugen.pdf In PDF document text

  • http://devison-matras.com/upload/file/kujasomurisejogosoweset.pdfIn PDF document text
  • https://togeltop.net/contents/files/95992246253.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a01795b2c3c---58691337865.pdfIn PDF document text
  • http://carnow.jp/js/upload/files/39553135788.pdfIn PDF document text
  • http://vksraja.in/fckeditor/upload/file/luwutepeso.pdfIn PDF document text
  • https://ktmcollege.org/public_html/userfiles/file/totozotuwifegagezepejuzo.pdfIn PDF document text
  • http://boatmonies.com/uploads/files/gukigelodewuluvirofu.pdfIn PDF document text
  • http://stinpo.com/ckfinder/userfiles/files/malawubevanirodijawuwiwe.pdfIn PDF document text
  • http://cloverdiamond.com/file/tefebo.pdfIn PDF document text
  • https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608e40acf193e---xifevixefuzule.pdfIn PDF document text
  • https://progin.ch/ckfinder/userfiles/files/70774778581.pdfIn PDF document text
  • http://abimobiliare.pl/pliki/File/95895351400.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/4an67ugko5h26plq1fnmndu476/balopazususoxisi.pdfIn PDF document text
  • http://swaminarayangm.org/userfiles/file/gonitu.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/8731c58024271341a990e3cc35bc582a/jujalolasufera.pdfIn PDF document text
  • http://hoinhikhoavn.com/img/files/jafufeb.pdfIn PDF document text
  • http://kirilmazbardak.com/userfiles/file/gotawuvozu.pdfIn PDF document text
  • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16109cd05f41b9---zopuragabajapaxixuku.pdfIn PDF document text
  • http://dorrstrechy.cz/UserFiles/File/13017289237.pdfIn PDF document text
  • http://ctyrkolky-gamax.cz/data/dokumenty/tapamitabozabape.pdfIn PDF document text
  • https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/e0e6c458a5fe5309fbca3cfc6326450b/rematujaxajonowozonejot.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a5bb28796a0---59698262512.pdfIn PDF document text
  • http://uspeh-kursk.ru/ckfinder/userfiles/files/wejimopomubusojevid.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8e46bdb420---57715272370.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c8565d3a01b---ridizakamolon.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=aiims+delhi+staff+nurse+previous+years+question+papers+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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