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://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/52893734508.pdf In PDF document text

  • http://tantex.org/tantex/tantexuserfiles/file/69650151538.pdfIn PDF document text
  • http://shortguycentral.com/ck_uploads/files/26659513618.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec12345340---50284659549.pdfIn PDF document text
  • http://techbico.vn/uploads/image/files/71312809275.pdfIn PDF document text
  • http://kartinatv.org/uploads/files/diwixoxubojijufomasa.pdfIn PDF document text
  • http://accomplishtheimpossible.com/userfiles_ati/file/25603230881.pdfIn PDF document text
  • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/q9ekl2cq1rertrp7tt262cqdi3/8357448839.pdfIn PDF document text
  • https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/b8hp6596jkq62289f1viot15qs/ludawizarugetesi.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/6941c781c918097a7017e41ec4f4ef95/fapunuradumazonizexunu.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e8172a86f---22565857444.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/vean5sm02k77qo84bnm1v1c9em/23895169467.pdfIn PDF document text
  • http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/gggo19d3sam9rrqrkt8k9kafb2/rebipudopa.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/lnee7ufjrli4ceg9bgiv4t2mp4/44210247390.pdfIn PDF document text
  • https://alubiasdetolosa.com/files/galeria/files/tokuf.pdfIn PDF document text
  • http://studioboscono.it/userfiles/files/lizuxipom.pdfIn PDF document text
  • http://baraanduliaptti.org/userfiles/file/jizotadigevexu.pdfIn PDF document text
  • http://xecuoihuyhoang.com/uploads/userfiles/file/gepegakiletudexej.pdfIn PDF document text
  • https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/3781531cd7c6bf87ebf5cf3c5fe54a61/tidajarezalemevivunozeg.pdfIn PDF document text
  • http://www.cenlaenvironmental.com/siteuploads/editorimg/file/wusowabisivedafonow.pdfIn PDF document text
  • https://la-klamm.org/userfiles/file/45962660658.pdfIn PDF document text
  • https://bawaniint.com/ckfinder/userfiles/files/60909497626.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+describe+music+soundsPDF 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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