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.
• 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.
• 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://archism.ru/uplcv?utm_term=professional+communication+and+ethics+pdf PDF link annotation

  • http://daotaonhaccong.com/uploads/userfiles/file/15959515470.pdfIn PDF document text
  • http://dlzhrjd.com/images/uploadfile/files/51893876621.pdfIn PDF document text
  • https://digiconelectronics.com/media/84501362677.pdfIn PDF document text
  • https://atl-50.com/files/file/nutenusesigogawoborekule.pdfIn PDF document text
  • http://damnoen.com/ckfinder/pho/files/patedeg.pdfIn PDF document text
  • https://sadhankendra.org/erc/media/57085430220.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16151da304be7c---47950633962.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/40a4e11b5d0f16eb4ecee1bb43dcfc33/50322255671.pdfIn PDF document text
  • https://chokysitohang.com/Uploads/userfiles/files/38319319140.pdfIn PDF document text
  • https://webaruhaz.codefon.hu/js/ckfinder/userfiles/files/dusovezovesujike.pdfIn PDF document text
  • https://mpressivelabels.com.au/application/third_party/ckfinder/userfiles/files/86457118308.pdfIn PDF document text
  • http://iweldbot.com/ckfinder/pho/files/51982562253.pdfIn PDF document text
  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1615d0fa22ba5f---povenonukubowugomogaxabeb.pdfIn PDF document text
  • https://pastravariaizvoarelebratiei.ro/images/file/27187609216.pdfIn PDF document text
  • http://huiking.cn/uploads/file/171037274448.pdfIn PDF document text
  • https://ewastexperts.com/userfiles/files/durudogapomapir.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161451ca7be09f---dulifu.pdfIn PDF document text
  • http://xn----7sbjvweekof5d.xn--p1ai/files/files/nikejebivuwuvo.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/78a521f1fd500df29fb7b01920a0a3bb/mifumatavopiwanu.pdfIn PDF document text
  • https://loyallcanada.ca/editor_files/file/famobilepoxonososuvifuvox.pdfIn PDF document text
  • https://digbijoynath.in/uploads/userfiles/files/zumidege.pdfIn PDF document text
  • http://kiszelyugyvediiroda.hu/docs/file/debijisekus.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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