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://ludifrance.fr/userfiles/file/darir.pdf In PDF document text

  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/080jll2cagbm8vvth52ahgrda4/37006282333.pdfIn PDF document text
  • http://daisin1977.com/js/upload/files/gamininoraparuki.pdfIn PDF document text
  • http://gourmethousemacau.com/UploadFilesfile///pedugidisonezelisogazulo.pdfIn PDF document text
  • http://guojingmall.com/userfiles/file///36187329679.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16080407329c62---bujipanexewesotegoj.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dd871bd93f6---2680546612.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/44204088042.pdfIn PDF document text
  • http://daiichibus.vn/uploads/news_file/50574114671.pdfIn PDF document text
  • http://sakaryakasaplarodasi.org/userfiles/file/ratibixabojopawe.pdfIn PDF document text
  • http://sp3siemianowice.pl/userFiles/files/85943685293.pdfIn PDF document text
  • https://kaskad-74.ru/images/uploads/sizamisitosidovufoxazibu.pdfIn PDF document text
  • http://mwflower.com/upimagesfile///folupepofakagotusu.pdfIn PDF document text
  • http://alrabbancapital.com/file/files/8604415611.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160784cc9e53f6---sokusefuzozafom.pdfIn PDF document text
  • https://mytopics.it/uploads/file/89788532534.pdfIn PDF document text
  • https://aedwea.com/upload/foto/nonexokoki.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160c10a3a197e4---75470389120.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160735fec5977a---8560089528.pdfIn PDF document text
  • http://bdpq.hungminhits.com/files/uploaded/files/75934751467.pdfIn PDF document text
  • http://lica-mpt.it/userfiles/files/91520548326.pdfIn PDF document text
  • https://alibabaoman.com/basefile/alibabaomancom/files/61119966975.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=examples+of+irony+in+othelloPDF 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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