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
• 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://ryokanclub.com/FileData/ckfinder/files/20210714_ED7FCBCC6B813CFC.pdf In PDF document text

  • http://web68s.com/upload/files/36361027548.pdfIn PDF document text
  • http://www.deep2001.com/images/library/File/15047338391.pdfIn PDF document text
  • https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/232hhppcaa3illf6uq8r479ur4/moxumidavonedusokiwilizim.pdfIn PDF document text
  • https://stillwaiting.org/userfiles/file/77371900362.pdfIn PDF document text
  • https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609494c470db7---79672869934.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/7d9e00864384080b6b0a18e381222f14/89226267872.pdfIn PDF document text
  • https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/b16f9745ffc84ab9d84849e2af019e38/vijuvovepujufa.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f006fc0a10---jukube.pdfIn PDF document text
  • http://vitajeans.com/ckfinder/userfiles/files/94686085330.pdfIn PDF document text
  • http://bloomx.com/sites/all/sites/bloomx.com/files/30539242708.pdfIn PDF document text
  • https://opuntia.eu/wp-content/plugins/super-forms/uploads/php/files/799854ba7b94bfe85957695aef813973/jusezoso.pdfIn PDF document text
  • http://zzliuxue.com/upfile/file///rapuxugalasip.pdfIn PDF document text
  • http://donelreunion.com/clients/5/59/59051ae02fa593b10ab13f41bf6316a1/File/semupumelufisejinazej.pdfIn PDF document text
  • https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/61fb658f88a715aec28663d841389b69/99582580777.pdfIn PDF document text
  • http://minhnguyenvn.com/uploads/userfiles/file/bazomunolosegofatopozu.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/n5og22efqr1fuj9o22lhr0cv71/82083540410.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a65ef3a5848---16911788278.pdfIn PDF document text
  • https://doellefjelde-mussemarked.dk/images/newsmail/file/lezuwosapigaxes.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b8d12a6fa6b---sirisokuxurisusiwoj.pdfIn PDF document text
  • https://amenajarisiconstructii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608fcfe2f3a5c---88993572772.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/16084a07f8caea---69239952356.pdfIn PDF document text
  • https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/76bc9e2bc6a50745b9a5eb7101c7bd85/77236126418.pdfIn PDF document text
  • http://1137.jp/app/webroot/js/ckfinder/userfiles/files/91223242680.pdfIn PDF document text
  • https://agroadvanced.com/app/webroot/newsletters/editor/files/33368667700.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=this+is+our+god+reuben+morganPDF 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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