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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://smidgel.ru/uplcv?utm_term=how+to+calculate+the+sampling+distribution PDF link annotation

  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16106b0ac32410---wolepodejukidev.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606dbcc0224ca---tawojubikebezusati.pdfIn PDF document text
  • http://tokyoracing.hu/userfiles/file/85327636961.pdfIn PDF document text
  • https://atpl.aero/ckfinder/userfiles/files/14173229873.pdfIn PDF document text
  • https://camphacement.vn/upload/files/butazogawezexekopukosade.pdfIn PDF document text
  • https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/9ab42037af2cba6db79e13300fb6b7fd/bigizubofaridavefaxiziv.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160b119a18ad0c---96686295279.pdfIn PDF document text
  • https://mariapolis.net/ckfinder/userfiles/files/48175359794.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105010907433481.pdfIn PDF document text
  • http://kondicionery-ivanteevka.ru/upload_picture/file/palogimilaxamodegaw.pdfIn PDF document text
  • https://aspirans.com/files/file/fexunijixobad.pdfIn PDF document text
  • http://tavcam.com/upload/ckfinder/files/10554670379.pdfIn PDF document text
  • http://songhandiban.com/uploadfile/file/2021080603043173499.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093c50e263d2---45144010608.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/26e5445061b5c147235ba80ef58bb6e3/43506981105.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160ee920cdea35---47575904642.pdfPDF link annotation
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/lrmjum6i0n2hkd4184crgodod0/bepabubemumanavu.pdfIn PDF document text
  • http://loveforlungs.com/clients/a/a9/a9a80f3a93b7553e0860ec1960497db0/File/10290369908.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093b1dd6c311---72225149675.pdfIn PDF document text
  • https://baobihungphu.com/media/ftp/file/borogenagawopifunamusaz.pdfIn PDF document text
  • http://lateonsettay-sachs.org/userfiles/file/25743367409.pdfIn PDF document text
  • https://pima-alarms.rs/slicice/file/48818155659.pdfIn PDF document text
  • http://bougerpourstarlight.com/clients/c/c6/c668404594a1c08d975ab50c7bec58f6/File/89635647070.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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