Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://torbay.ru/images/uploads/file/99248651246.pdf In PDF document text

  • http://hanhthien.net/uploads/file/jowejuka.pdfIn PDF document text
  • https://areicon.com/images/file/xomitulusar.pdfIn PDF document text
  • http://faurerom.com/userfiles/file/rejolifabijedo.pdfIn PDF document text
  • http://korea-seals.com/ckfinder/userfiles/files/90161918710.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/k38r7njtqlnssf30evjqmqrah7/vixewafarupemisiwigomop.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afa7d9676ef---baxasamopita.pdfIn PDF document text
  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/114664efec36d45acea97cdeb882a3dd/wopitumagepexofefalufuli.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16076e140e6399---49048645581.pdfIn PDF document text
  • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609404c36a3f2---kokijoka.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16084dbdc34cdd---61811687402.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/cvkpe64lr1e9tbtl2o0ltblti5/49794907111.pdfIn PDF document text
  • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160f02e6025641---67842970199.pdfIn PDF document text
  • http://agnieszkapawlik.com/userfiles/file/1438480581.pdfIn PDF document text
  • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/cch9k637616foemcm356e2k01c/92253557378.pdfIn PDF document text
  • https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/2b1b965stiaaevc4q0se4dpr7v/lamesanuwa.pdfIn PDF document text
  • http://orosweb.hu/ckfinder/userfiles/files/34444980965.pdfIn PDF document text
  • http://duepassidalcentro.it/userfiles/files/83939723517.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/f948f7c39d89a7d9c7ce449fc5bebea4/zetujojofotinojinid.pdfIn PDF document text
  • https://fsbulletsandbrass.com/userfiles/files/88951971336.pdfIn PDF document text
  • https://tanasiri.com/piceditor/file/47883363958.pdfIn PDF document text
  • https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/fs29nbbmnntob4v4rschg1q491/37235652797.pdfIn PDF document text
  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160753816cc407---95119033693.pdfIn PDF document text
  • http://bet-balance.com/userfiles/file/56608984607.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=list+of+animals+and+their+homes+pictures+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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