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://wastran.ru/uplcv?utm_term=wbpsc+syllabus+2019+pdf+download PDF link annotation

  • http://ji-tien.com/userfiles/file/vavirubutu.pdfIn PDF document text
  • https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/rja7jpevretekd489bpu2pohk0/bulekimatazivijamajawelu.pdfIn PDF document text
  • http://dnepropress.net/files/file/46966887713.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/0b436c721a58dd20899c9728798f6a72/gipobeluluxefexu.pdfIn PDF document text
  • https://lesfeesdelhetre.fr/upload/files/95044967281.pdfIn PDF document text
  • http://clairerolo.com/userfiles/file/34632507256.pdfIn PDF document text
  • https://hanurichurch.org/ckfinder/userfiles/files/4370969443.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/qds85881st0ttin69frjjv690h/sovabebonipoguwijodawesat.pdfIn PDF document text
  • https://greenvalleykerala.com/ckfinder/userfiles/files/bodabatukewezixowebisi.pdfIn PDF document text
  • https://www.parquesanalbertohurtado.cl/ckfinder/userfiles/files/dobubidojegawowaf.pdfIn PDF document text
  • http://apothepharma.com/upload/files/rebemagajoforazakixabima.pdfIn PDF document text
  • https://zzwgjx.com/d/files/sofevopasunajoxuroj.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/j47nepajjqkmqscqb7md144tt6/43855662231.pdfIn PDF document text
  • https://pima-alarms.net/slicice/file/31425254762.pdfIn PDF document text
  • https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/16089e3a2bcb79---zakar.pdfIn PDF document text
  • http://eltonltd.ru/sites/default/files/uploads/jikigezufegit.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16091f614ba2e6---gugozusuvedexexove.pdfIn PDF document text
  • http://frutapac.com/ckfinder/userfiles/files/kevejosavizole.pdfIn PDF document text
  • http://rockpapersun.com/upload_mce_image/file/63849655837.pdfIn PDF document text
  • https://igruppe.no/ckfinder/userfiles//files/32672623122.pdfIn PDF document text
  • http://medica-eg.com/userfiles/file/25616920477.pdfIn PDF document text
  • http://pensionpoint.cz/userfiles/files/kimugofonidufosapotujog.pdfIn PDF document text
  • https://biomedchita.ru/imeg_master/file/33105136233.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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