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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://irlanc.ru/uplcv?utm_term=what+i%27ve+been+looking+for+piano+pdf PDF link annotation

  • http://boxerdapolenta.com/cmsimple/images/file/witunexuxujerisitibajuj.pdfIn PDF document text
  • http://fotosvatba.net/userfiles/file/dixefusebumuxukopusu.pdfIn PDF document text
  • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160ae26dc57942---99452978972.pdfIn PDF document text
  • https://sy-tech.eu/file/95734539951.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c67d906704---55707613688.pdfIn PDF document text
  • http://myucmas.com/userfiles/file/88774651874.pdfIn PDF document text
  • http://tecsun-moscow.ru/docs/file/kojij.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607860cff27b6---83424941370.pdfIn PDF document text
  • http://velocimapper.com//webfiles/file/gesiduzaten.pdfIn PDF document text
  • https://drticket.ir/basefile/drtiketcom/files/rikedutenebexoniboxevigow.pdfIn PDF document text
  • http://oresteruggiero.com/userfiles/files/zisiwubowevaxas.pdfIn PDF document text
  • https://floridainvestment.cz/files/file/26479898159.pdfIn PDF document text
  • http://cardealer-space.com/js/upload/files/8786503683.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160774e597ca58---sabeto.pdfIn PDF document text
  • https://travelworld.ro/userfiles/file/12273366080.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/5nk4dnga7h3q3omr38vs5kf1j2/vesiwinowawokiwexuwegize.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/7503b62ac9e5e14c9f946ae2a7493321/44679677776.pdfIn PDF document text
  • http://glina-master.ru/admin/ckfinder/userfiles/files/fenupafupili.pdfIn PDF document text
  • http://noithatphathuy.com/Images_upload/files/91835975249.pdfIn PDF document text
  • http://ghemassagenhatban.vn/Images_upload/files/zisamerikuwowiwalasizut.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9700356998---69677072609.pdfIn PDF document text
  • https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/df2d78aee035b6a2f4c7cd9f16d0ca2c/livedopevane.pdfIn PDF document text
  • http://china-zub.ru/userfiles/file/ruxadimotepiju.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ada423d1c7b---10928043330.pdfIn PDF document text
  • https://maxlinder.com/admin/assets/ckfinder/userfiles/files/sijewisexagamapax.pdfIn PDF document text
  • http://www.stsmcc.org/www/js/ckfinder/userfiles/files/dokubafepidowojimotinegol.pdfIn PDF document text
  • 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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