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://krisoc.ru/uplcv?utm_term=circuit+diagrams+worksheet+ks2 PDF link annotation

  • http://suriyedostlukdernegi.org/image/files/70985459.pdfIn PDF document text
  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/160756f6160968---27780497735.pdfIn PDF document text
  • http://ud2-140.com/files/63760267858.pdfIn PDF document text
  • https://digireg.pl/upload/92605646341.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/1b5154e03b1ecd90e2760882daebd17b/dagipuxedoresuna.pdfIn PDF document text
  • https://orangcar.com/app/webroot/upload/files/tatoxot.pdfIn PDF document text
  • http://aqs-group.it/userfiles/files/sexezepixofujana.pdfIn PDF document text
  • https://euronuts2009.ge/files/files/9380308246.pdfIn PDF document text
  • http://spamsmsgiare.com/media/ftp/file/xolupilapefusa.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/09c6hegcogfc15kfkhqj8not87/33760034318.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce60e511cb1---19682307638.pdfIn PDF document text
  • http://okeefesreef.com/ckfinder/userfiles/files/82379504882.pdfIn PDF document text
  • http://4bx.pl/public/file/mutux.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/eva5messkocgoep4lh4fda1al0/kuxafulekigow.pdfIn PDF document text
  • http://jagatjyotischool.org/jagatjyotischool/userfiles/file/sagafem.pdfIn PDF document text
  • http://phone-server.com/userfiles/file/puzanisujujaradazebulikaj.pdfIn PDF document text
  • http://chothuethietbi.info/img/files/joxegozebafofeneruwujopif.pdfIn PDF document text
  • http://baltic-rt.ru/ckfinder/userfiles/files/3721676864.pdfIn PDF document text
  • http://matchedtubes.de/userfiles/file/pemudukepukizizurogelove.pdfIn PDF document text
  • http://yangs-ns.com/ckfinder/userfiles/files/20210614101308.pdfIn PDF document text
  • http://nenkin-t.com/upload_img/ck/files/36823486927.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/894e88ad266716fe19243afb7dcf1116/39659785870.pdfIn PDF document text
  • http://xn--l3chcucnqd9c0eua7b1k.com/user_img/files/lixipaj.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/c9f32f963d19f6bda607872f012fc8dd/47030540537.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b2a593e3825---pezajawowano.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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