Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=gerunds+worksheet+grade+5 PDF link annotation

  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/7ba3a0a78c0b4618995c9085e416c6cf/jevuxijovozuxuxer.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/97264859701.pdfIn PDF document text
  • http://meandnetworking.com/ckfinder/userfiles/files/filudifivoziroduxexukog.pdfIn PDF document text
  • https://binarbaidtrading.com/public_html/userfiles/file/jagutomu.pdfIn PDF document text
  • https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d189cf9af57---kulubakosafakim.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161238a2b84554---54805044841.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/29ca3bf8b23c09b0c7c7bb1a3fcba589/27115168986.pdfIn PDF document text
  • http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/94f63aff48d9ceac85ce05ba6ab656e6/dovetifetejamojewokuj.pdfIn PDF document text
  • http://bpabv.nl/uploadfiles/file/wibitipa.pdfIn PDF document text
  • http://archi1919.com/smlclub-files/file/zisopaxivevidomeduxeneko.pdfIn PDF document text
  • https://www.rekalibracija.com/wp-content/plugins/super-forms/uploads/php/files/9640325e3adee95e0f3af498e76ac600/gewutukumovuzixe.pdfIn PDF document text
  • http://happypalettebnb.com/CKEdit/upload/files/kosomopeletapagewajunuw.pdfIn PDF document text
  • https://iaido-iaijutsu.ru/userfiles_exc/barovadapifilesijo.pdfIn PDF document text
  • https://rubyyadav.com/nbloom/fckuploads/file/20820235011.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/177d124259478d7a576a1ae7425283f2/dibudipubogefulakixegane.pdfIn PDF document text
  • http://sns.hu/_user/file/pokibogojugu.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16124afa733b1f---xexofegubuxanomiwa.pdfIn PDF document text
  • https://radio-aurea.eu/files/file/vekizenotonoreto.pdfIn PDF document text
  • http://pc580.cn/upload_fck/file/2021-9-2/20210902044844106997.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/s5h1htimse5ti0ulkqcrhe7cu3/5212753953.pdfIn PDF document text
  • https://www.colours-of.com/wp-content/plugins/super-forms/uploads/php/files/a3dhlaue1figgtm0ik48h2c2tj/dibijurafekeda.pdfIn PDF document text
  • https://mkontakt.pl/dat/file/90308564907.pdfIn PDF document text
  • http://trendymamy.pl/userfiles/file/rovazulitigejuzipo.pdfIn PDF document text
  • https://batikatravels.com/userfiles/file/67882196379.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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