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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://elbag.net/wp-content/plugins/super-forms/uploads/php/files/bad228378456b9996d9f43cddf95a12a/wuwuvetutajiri.pdf In PDF document text

  • http://unsersohn.ch/images/file/78066949159.pdfIn PDF document text
  • http://xn--b1agjlwjc3g.xn--p1ai/ckfinder/userfiles/files/4755642683.pdfIn PDF document text
  • http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff31aecc7c---69593668556.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/je3gk4k00qn75lqulto83o95v1/19427746369.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c6197db50a9---lakopezun.pdfIn PDF document text
  • http://exosushi.com/uploads/files/68294491943.pdfIn PDF document text
  • http://a-pluset.com/userfiles/87280478532.pdfIn PDF document text
  • http://busankid.com/webfiles/board/file///41627167382.pdfIn PDF document text
  • http://aivieksteslaivas.lv/userfiles/file/togefepugewonumuvokox.pdfIn PDF document text
  • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/jaof2eh1f7qp86lgnrj8idbn4n/dawirodajukexa.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/v4trj5i2uob72r8545ut8j5is4/ripivisujita.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1608c172677f2e---36715068844.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/16089aa9edb1ad---26100144118.pdfIn PDF document text
  • https://arvikabc.com/images/uploadedimages/file/43057639255.pdfIn PDF document text
  • http://symbioticlifetech.org/attfile/fckimg/file///2021071653623_69843366.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7e61f641a6---18538072295.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160a42aa43025f---40878737774.pdfIn PDF document text
  • http://jarosi.hu/files/file/xukesitenag.pdfIn PDF document text
  • http://lyzjkgm.com/d/files/86312548.pdfIn PDF document text
  • https://lysgaards.com/ckfinder/userfiles/files/62010240082.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/59hj23bo8iph8c8srfd5phtju0/45146163563.pdfIn PDF document text
  • http://metallpress.ru/files/26590170160.pdfIn PDF document text
  • https://biodent.ro/m4fm_files/m4news/ck-uploads-files/20992043485.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=mecool+k7+manual+pdfPDF 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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