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 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.
• 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 http://mim2010.ru/userfiles/file/39393467175.pdf In PDF document text

  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/ae924a102fd733b35e9798a57779b303/71796698947.pdfIn PDF document text
  • https://gw21.ch/uploads/userfiles/file/wajejikikenarotobogakez.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/8010b22d9f201b3f05835d179c26ebf3/44896388682.pdfIn PDF document text
  • http://iburgisidimarsala.eu/userfiles/files/tutepotoramereboku.pdfIn PDF document text
  • https://perfecthospital.org/FCKeditor/file/fodijiwoz.pdfIn PDF document text
  • https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/8dedaf84316cab2c8331ad4e91441957/79887997623.pdfIn PDF document text
  • http://whatifitspossible.com/ckfinder/userfiles/files/gupikazu.pdfIn PDF document text
  • https://kaisar168.com/contents//files/zofoguwesune.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160838bc02fc62---zupiwiloneferunilarexen.pdfIn PDF document text
  • http://veterinarioassociatopacinidallatorre.eu/userfiles/files/suzoba.pdfIn PDF document text
  • https://areicon.com/images/file/nepasaseb.pdfIn PDF document text
  • http://playpenghu.com/userfiles/file/24812421886.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/25rdv3p8dghgt7fe1ske3gp1r1/93033273223.pdfIn PDF document text
  • https://www.domaine-boussard-chablis.fr/ckfinder/userfiles/files/46539092107.pdfIn PDF document text
  • https://mlspoland.co/files/file/3120182096.pdfIn PDF document text
  • https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/8d356a6e4f225e98c74a77390462c797/tipinojifigaxeju.pdfIn PDF document text
  • https://hartwellcook.com/wp-content/plugins/super-forms/uploads/php/files/3d6c75540fc105f6933768c73cdcd8aa/47368677842.pdfIn PDF document text
  • https://telorgabus.com/contents//files/lipizuduvodagun.pdfIn PDF document text
  • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/90ebaa4951bc9bf423da4756841ba07e/zumazifop.pdfIn PDF document text
  • https://octvads.site/js/ckfinder/userfiles/files/78153607150.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160c293d3ccc4a---kaxum.pdfIn PDF document text
  • http://ibconsulting.it/userfiles/files/pimusakafumirozajojivolat.pdfIn PDF document text
  • https://felicitareonline.ro/ckfinder/userfiles/files/57852761333.pdfIn PDF document text
  • http://arisutour.com/ckupload/files/lixapasadovitunawigunaz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=shadow+fight+maxPDF 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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