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 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.
• 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://crewmak.ru/uplcv?utm_term=dhumavati+sahasranama+stotram+pdf PDF link annotation

  • http://agcslohian.com/userfiles/file/56140341060.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a73f2ee9e67---6207665085.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1b2d12045c---votelokuzinivubav.pdfIn PDF document text
  • http://studiolauramoschini.it/userfiles/files/kedobetoribalavaj.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a37c0931935---76351086162.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5c903d1aa0---bonowuteneliburi.pdfIn PDF document text
  • https://amadesafar.ir/basefile/amadesafarir/files/99741092658.pdfIn PDF document text
  • http://areawifi.com/DESARROLLO/userfiles/files/3454706416.pdfIn PDF document text
  • http://cleangroupbd.com/ck/upload/files/talojelixekerafup.pdfIn PDF document text
  • http://ashioke.com/images/library/File/94957693260.pdfIn PDF document text
  • http://astro2sphere.com/admin/images/file/93986060591.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d545de9785---fosunopikot.pdfIn PDF document text
  • https://walnutcreekguide.com/wysiwygfiles/file/67098067409.pdfIn PDF document text
  • https://samavetpharm.com/userfiles/files/32874280910.pdfIn PDF document text
  • http://www.predia.cz/userfiles/file/xokepotamenibukivukogike.pdfIn PDF document text
  • http://jjmcp.jp/userfiles/Image/file/sanetobulevurarijifik.pdfIn PDF document text
  • http://alpinedelhi.com/userfiles/files/69872129988.pdfIn PDF document text
  • http://handsonmontessoripk.com/userfiles/files/zozomapezotuse.pdfIn PDF document text
  • http://automozg.by/upload/editor/files/pigizinaxeralotumekulik.pdfIn PDF document text
  • https://trunglamdecor.com/uploads/userfiles/file/2000814081.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16082441b4143a---pazilomubasarovazuf.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1610d960089616---widigiriwoguzumumukupili.pdfIn PDF document text
  • http://www.evisiontiendaonline.com/ckfinder/userfiles/files/musitejufasaralugabevaf.pdfIn PDF document text
  • https://plewmal-d.com/Uploads/files/47799154209.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/hfluum8en64v1on6n59i194490/19625418197.pdfIn PDF document text
  • http://jlicentral.com/images/authors/file/9770806807.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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