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 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://groupunsur3.com/contents/files/pomulijupigi.pdf In PDF document text

  • http://eca.or.th/ckfinder/userfiles/files/62280410667.pdfIn PDF document text
  • https://dalnoboy.com/data/filestorage/upload/files/58088547542.pdfIn PDF document text
  • http://pozitron-s.ru/userfiles/file/56930568337.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135b4699832a---lujezabatozesa.pdfIn PDF document text
  • http://luxcottage.ru/stroykamen/userfiles/files/13525970773.pdfIn PDF document text
  • https://singhaniabrothersltd.com/ckeditor/ckfinder/userfiles/files/91846115715.pdfIn PDF document text
  • https://safarekhoob.ir/basefile/safarekhoobir/files/kimubisi.pdfIn PDF document text
  • https://a-guskov.ru/uploads/files/32449821152.pdfIn PDF document text
  • http://osoboebludo.com/ckfinder/userfiles/files/rosis.pdfIn PDF document text
  • https://speedwayinfo.hu/uploads/file/66204987549.pdfIn PDF document text
  • http://preprod.app-nomads.com/ugecam/admin/ckfinder/userfiles/files/82997283904.pdfIn PDF document text
  • https://emenu.hu/editor_up/zoxafikapeparupeka.pdfIn PDF document text
  • https://culturasiapamplona.com/guiarte_userfiles/files/27299687128.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/6bbb8ec5051b5ca0aea9e9e91a479b54/75080451366.pdfIn PDF document text
  • http://residencecarlofelice.com/userfiles/files/pulugo.pdfIn PDF document text
  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a21e9c5013---63097007565.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/3e2deedffd4fad204025fc123b02c066/844238082.pdfIn PDF document text
  • http://mesterteto.hu/userfiles/file/tasizivorolida.pdfIn PDF document text
  • http://cerritos.songhakbbq.com/uploads/files/sitadoluguxelixiz.pdfIn PDF document text
  • http://riviera.az/userfiles/file/zijezozurepuzital.pdfIn PDF document text
  • http://flex-link.cn/uploadfiles/files/12872205255.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=what+is+odin+androidPDF 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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