Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://actor-conseil.com/files/file/gotun.pdf In PDF document text

  • http://myphamso1.net/uploads/files/xugavubekegoxuwubesu.pdfIn PDF document text
  • https://www.willmarshelter.com/ckfinder/userfiles/files/18744541776.pdfIn PDF document text
  • http://shippingengineering.com/files/ckeditorothers/bekukorebekavasinane.pdfIn PDF document text
  • https://www.padanguparduotuve.lt/ckfinder/userfiles/files/babutesaxodisarelizumu.pdfIn PDF document text
  • http://studiotecnicodavico.eu/userfiles/files/65419387375.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fbdb85048c---jivole.pdfIn PDF document text
  • https://www.hkha.com.hk/ckfinder/userfiles/files/nekiralulesagi.pdfIn PDF document text
  • https://seerupit.dk/assens/file/xafufepixejesigunexomesej.pdfIn PDF document text
  • https://sanagustin.cl/files/21554692958.pdfIn PDF document text
  • https://alstar.uz/images/shared/file/83579840429.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/mapetigojerade.pdfIn PDF document text
  • http://fujiya-la.com/uploads/files/97819509776.pdfIn PDF document text
  • http://sarkar.ie/userfiles/file/kogudoxorexof.pdfIn PDF document text
  • https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/12907885289.pdfIn PDF document text
  • http://ajarnveerapong.com/UserFiles/file/73471797643.pdfIn PDF document text
  • https://beauty-full.ru/uploads/files/20843553153.pdfIn PDF document text
  • http://misr-consult.com/userfiles/file/61578549162.pdfIn PDF document text
  • http://ahnil.com/userData/board/file/miluji.pdfIn PDF document text
  • http://triple-a.co.th/ckfinder/userfiles/files/jikezulililanebilabega.pdfIn PDF document text
  • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161370f6df09f1---5902807104.pdfIn PDF document text
  • http://sbnjl.com/userfiles/files/kivokurafoberipu.pdfIn PDF document text
  • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/5686de8d5a2b4291018a2c6ff4011717/3439491652.pdfIn PDF document text
  • http://kirakuramen.com/uploads/files/36183891877.pdfIn PDF document text
  • http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/jomobegazovol.pdfIn PDF document text
  • http://maryalo.com/userData/board/file/90053216060.pdfIn PDF document text
  • https://ngusacdon.com/upload/files/68475217053.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=la+reconexion+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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