Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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://wastran.ru/uplcv?utm_term=cookie+run+kingdom+apk+android PDF link annotation

  • https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/k8kkeqrvc31mp5dlnfid86gh3n/71698304203.pdfIn PDF document text
  • https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613654dd7c61f---30012936918.pdfIn PDF document text
  • http://swiss-ex.com/images/blog/file/54127414606.pdfIn PDF document text
  • https://giolog.biz/images/bulk_images/files/80228421452.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161345b88e1b32---zufukilixenovazituwinilap.pdfIn PDF document text
  • https://ginniglobal.com/uploads/file/wivijawizixugaba.pdfIn PDF document text
  • https://detskeihriska.eu/ckfinder/userfiles/files/vageradunidaxepe.pdfIn PDF document text
  • https://melz-feu.ru/upload/52083974279.pdfIn PDF document text
  • https://cobaltinc.org/userfiles/file/36419764004.pdfIn PDF document text
  • http://stickerbarcode.com/file_media/file_image/file/26209409146.pdfIn PDF document text
  • http://mgtofubbq.com/uploads/files/zebefimanipotaze.pdfIn PDF document text
  • http://nj-rshb.com/v15/Upload/file/202197138442140.pdfIn PDF document text
  • http://lunaleo.pl/userfiles/file/ruralunigorupuwanax.pdfIn PDF document text
  • https://sacc-la-chaux-de-fonds.ch/fichiers/file/ratowogar.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/161375c6e3c6ab---93914571494.pdfIn PDF document text
  • http://safaraval.com/basefile/safaravalcom/files/3243816389.pdfIn PDF document text
  • http://sasmedm.com/www/js/ckfinder/userfiles/files/12750312044.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613492527ba43---27429894396.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/2hgt0lbpf0a00qilvt46k0jhmj/kelalaba.pdfIn PDF document text
  • http://chithanhplastics.com/uploads/userfiles/file/zosuwidepopuniloxekabuwa.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/7b39ddc9e01b8eb8893afcdb0c4a9db6/zuwikonevumod.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f78398d104---tojares.pdfIn PDF document text
  • http://mebel-moscow.com/content/xuploadimages/file/81758362080.pdfIn PDF document text
  • http://spielundlicht.de/content_provider/documents/files/geparupojavubab.pdfIn PDF document text
  • https://mmagame.com/userfiles/file/31721318155.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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