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://laborke.ru/uplcv?utm_term=editing+exercises+for+class+9+cbse+with+answers PDF link annotation

  • http://mirsistem.com/depo/sayfaresim/file/93008011371.pdfIn PDF document text
  • http://thelifelesson.net/home/tappingchanges/public_html/dowalumniusa/ckfinder/userfiles/files/25849861931.pdfIn PDF document text
  • https://oncallanatomist.org/ckfinder/userfiles/files/11289275341.pdfIn PDF document text
  • http://autoscuolavalerio.it/userfiles/files/bivejoferideji.pdfIn PDF document text
  • https://hanyauntuktesting.com/contents/files/ruleledizisajotejofiba.pdfIn PDF document text
  • http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/80362629772.pdfIn PDF document text
  • https://hongming-eco.com/userfiles/file/guxoxij.pdfIn PDF document text
  • http://balashixa.inhome360.ru/admin/ckfinder/userfiles/files/xozot.pdfIn PDF document text
  • https://denimder.org/resimler/files/52327918817.pdfIn PDF document text
  • https://ferest.ro/imagini_ws/55833826173.pdfIn PDF document text
  • http://bocghedanang.com/media/ftp/file/puvapunur.pdfIn PDF document text
  • http://shengyaweb.com/uploadfile/file/2021092305462019.pdfIn PDF document text
  • http://xn--2o2b17g32e8xisqq.com/userData/board/file/tewekowuteg.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16147aedc75003---zejujafakexedosuli.pdfIn PDF document text
  • https://canevastoilestjean.com/upload/editor/file/depijegagegidev.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/99910235717.pdfIn PDF document text
  • http://daedukgs.com/admin/fckeditor/data/file/20210928215001.pdfIn PDF document text
  • https://gestionarival.com/userfiles/file/bemel.pdfIn PDF document text
  • http://hotelalbicia.com/userfiles/file/kozivuwajavigonojevusu.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b95f54b4d3---97662896206.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/161418d65f1ffc---57017012201.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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