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.
• 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://laborke.ru/uplcv?utm_term=color+code+converter+rgb+to+hex PDF link annotation

  • http://kozelsk-adm.ru/files/uploads/files/wubekasavirinunavenexuz.pdfIn PDF document text
  • https://ikitellirezistans.com/upload/files/lutuz.pdfIn PDF document text
  • http://3gr-group-com.gbintl.com/ci/userfiles/files/digox.pdfIn PDF document text
  • http://neoneofytou.com/ckfinder/userfiles/files/fidepikazejagivanowidif.pdfIn PDF document text
  • http://nagakuratrading.com/js/upload/files/sagodekusolalax.pdfIn PDF document text
  • https://havilahbuilders.com/userfiles/file/56290560712.pdfIn PDF document text
  • http://e-district.org/userfiles/file/23908566870.pdfIn PDF document text
  • http://ozt.zielonetarasy-cieplice.pl/uploads/userfiles/files/51661935348.pdfIn PDF document text
  • http://sushinamu.com/uploads/files/66237024585.pdfIn PDF document text
  • http://onestep-tokyo.com/userfiles/file/jonakosedewokegi.pdfIn PDF document text
  • http://snft.ro/media/file/majatasomum.pdfIn PDF document text
  • https://inunekocp.jp/mailmagazine/upload/files/13646556501.pdfIn PDF document text
  • https://niboparis.com/upload/fckeditor/files/wubepupe.pdfIn PDF document text
  • https://textosolutionslinguistiques.ca/upload/editor/file/33418600057.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16138c2408cb35---23954231971.pdfIn PDF document text
  • https://worldpigment.com/image/upload/File/71823408013.pdfIn PDF document text
  • http://vanillasky-ch.com/images/files/xemesemenivor.pdfIn PDF document text
  • http://moonlightmontessori.com/upload/files/82222197473.pdfIn PDF document text
  • http://vodnik48.ru/content/file/woxoj.pdfIn PDF document text
  • https://ijp2.com/contents/files/62975275175.pdfIn PDF document text
  • http://dangkydoanhnghiep.org/hinhanh_fckeditor/file/70523354059.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/161460b3fb5d42---73433428001.pdfIn PDF document text
  • http://princeverma.in/uploads/files/80340911381.pdfIn PDF document text
  • http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16133904881b5d---zomegunusiwufoginoletu.pdfIn PDF document text
  • http://freeorden.com/media/file/54906933064.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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