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://pistant.ru/uplcv?utm_term=class+9+science+chapter+8+notes PDF link annotation

  • https://budgetparking.ca/admin/uploads/file/37518086915.pdfIn PDF document text
  • https://www.info-service.com.tw/plugin/ckeditor/ckfinder/userfiles/files/xawuporuzijume.pdfIn PDF document text
  • https://cmflower-kkc.com/ckfinder/userfiles/files/lawex.pdfIn PDF document text
  • http://goodwill.pl/userfiles/file/gaxax.pdfIn PDF document text
  • http://expertcomptablecourreges.fr/michel_courreges/userfiles/file/zoxawogupifosevajapupenur.pdfIn PDF document text
  • https://www.karelo.com/uploads/File/51366860359.pdfIn PDF document text
  • https://citytrafik.nu/images/file/20480124709.pdfIn PDF document text
  • http://amindoost.ir/images/upload/files/titatavimitawefovetuwome.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/0a62j5ic2hco1fj8mvv4uvnji3/pobabe.pdfIn PDF document text
  • http://bikaji.zohukum.com/ckfinder/userfiles/files/93011405301.pdfIn PDF document text
  • http://hoanggiaphatstone.com/upload/files/68382004486.pdfIn PDF document text
  • http://maryalo.com/userData/board/file/9354074073.pdfIn PDF document text
  • https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613049a34dfbb---76108260392.pdfIn PDF document text
  • http://sushrutproctology.org/ckfinder/userfiles/files/16940787612.pdfIn PDF document text
  • http://conservativista.com/js/ckfinder/userfiles/files/47377252746.pdfIn PDF document text
  • https://lotteppta.net/beta/assets/file/44640249582.pdfIn PDF document text
  • http://rbc-bezorgdiensten.nl/upload/48793405578.pdfIn PDF document text
  • https://techielingo.com/fck_uploads/files/29188015829.pdfIn PDF document text
  • https://phu-komplex.pl/pliki/file/bowegusupanipitonegox.pdfIn PDF document text
  • http://www.aunay-sous-auneau.fr/ckfinder/userfiles/files/mewimifowilizijojenede.pdfIn PDF document text
  • https://textosolutionslinguistiques.com/upload/editor/file/48757694781.pdfIn PDF document text
  • http://eaupureinternational.com/userfiles/file/mikuxobujibanej.pdfIn PDF document text
  • http://thanhcongtechtra.com/upload/files/tagezituwo.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f207802df2---nolulegudopetan.pdfIn PDF document text
  • http://hilimall.ae/uploads/files/33164686879.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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