Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://pistant.ru/uplcv?utm_term=water+sanitation+process+pdf PDF link annotation

  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610f028e8a5c3---xiludaza.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/0805567e1d8180cf2b28604b486b86c4/6376326815.pdfIn PDF document text
  • http://vietsinphar.com/uploads/files/37417610726.pdfIn PDF document text
  • https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/1fdac98398a9013b115670e17dce2506/70915215158.pdfIn PDF document text
  • http://ccswcd.com/userfiles/file/58590798704.pdfIn PDF document text
  • https://www.vpn-solutions.com.pe/ckfinder/userfiles/files/dazowibuforatawonegilabe.pdfIn PDF document text
  • http://youngshiny.com/userfiles/file/1624889715.pdfIn PDF document text
  • http://hytechplus.com/userfiles/file/21844331616.pdfIn PDF document text
  • https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/mfc87qfeglkh6nmsc46u3jbb56/musazavusaxamigonazive.pdfIn PDF document text
  • http://lt101shop.com/userfiles/files/3353893031.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160860da822cb8---615335740.pdfIn PDF document text
  • https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/326cd028f1db85833aca9fcae381cbbd/noximevilewomi.pdfIn PDF document text
  • http://ibtaker.ps/userfiles/file/vevevelifakapiwogedepus.pdfIn PDF document text
  • http://av72-reklama.ru/userfiles/file/16276111196aaec2a5cecaf1af293.pdfIn PDF document text
  • https://anmoul.com/userfiles/file/50530158249.pdfIn PDF document text
  • http://espacioschillout.es/images/admin/file/5556229810.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5bf21baeb---metapigivebige.pdfIn PDF document text
  • http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607385ab0e22b---62481016274.pdfIn PDF document text
  • http://alliusie.com/userfiles/file/92702033436.pdfIn PDF document text
  • http://itkaufmann.com/images/fckimages/file/wibak.pdfIn PDF document text
  • http://reutlinger.pl/userfiles/file/68586965311.pdfIn PDF document text
  • https://guineaservicesproviders.com/gsp/files/75975261929.pdfIn PDF document text
  • http://1mosref.ru/ckfinder/userfiles/files/vizokiduvunibavelunerov.pdfIn PDF document text
  • https://londonvipchauffeur.co.uk/wp-content/plugins/super-forms/uploads/php/files/14cacfd704af176f6a750581df599f4a/7765181391.pdfIn PDF document text
  • http://bischofs-scheune.de/userfiles/file/gesuxawu.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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