Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://catamma.ru/uplcv?utm_term=4shared+music+apk PDF link annotation

  • https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/be4abc46aa1a8dbe03994a447c58b6e2/93695394502.pdfIn PDF document text
  • http://tchid.net/userfiles/file/wuladuminikepa.pdfIn PDF document text
  • http://www.medicellbank.com/userfiles/files/jebefovevajagumiduvedi.pdfIn PDF document text
  • http://cottoneauto.it/userfiles/files/devumefuvamovodo.pdfIn PDF document text
  • http://fc-junajted.com/upload/datoteke/73907675954.pdfIn PDF document text
  • http://iknow.pl/files/file/sofupewukajudorajisut.pdfIn PDF document text
  • http://www.bash.cl/media/file/lixukofej.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/4d9a93e24ab541402f700e7bd639498f/41973973073.pdfIn PDF document text
  • http://ceramicaartisticamarsalese.it/userfiles/files/dugafadokab.pdfIn PDF document text
  • http://bjerkelunden.org/content/files/userfiles/file///6139254571.pdfIn PDF document text
  • https://gulf-rope.com/images/bulk_images/files/33799480573.pdfIn PDF document text
  • https://minervatech.work/js/ckfinder/userfiles/files/wowesuzakuxitivo.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/b8fee5196bff1a15609515a2a00efd82/41912088774.pdfIn PDF document text
  • http://kooijobs.in/ckfinder/userfiles/files/nafipi.pdfIn PDF document text
  • https://jasz-pap.hu/UserFiles/file/dejopej.pdfIn PDF document text
  • http://jobsandhi.com/uploaded_files/userfiles/files/49188273520.pdfIn PDF document text
  • https://balbok.net/admin/ckfinder/userfiles/files/kedulaxuvoko.pdfIn PDF document text
  • https://egyiksem.hu/uploads/file/bivemanetebazufe.pdfIn PDF document text
  • https://smg.bid/ckfinder_userfiles/files/rulazinewibot.pdfIn PDF document text
  • https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/16134ed3ec964b---deposuvojutanuli.pdfIn PDF document text
  • http://cn-junsheng.com/upload/file///2021985223569.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/e97856114c6d5aab0fb4d5f2e54fb7d5/bisulotolozeradej.pdfIn PDF document text
  • http://meta-min.com/files/begima.pdfIn PDF document text
  • https://art4you.sk/editor_uploads/system/files/poxafalavaritukeweror.pdfIn PDF document text
  • http://halongwave.com/userfiles/file/tokunoti.pdfIn PDF document text
  • https://abogadosaccidentealicante.centralcms.cloud/galeria/files/25133133404.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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