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.
• 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://ketchas.ru/uplcv?utm_term=enlite+ias+philosophy+notes+pdf PDF link annotation

  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/1607f3ec4ea204---69799320286.pdfIn PDF document text
  • https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/58r5ird444iisdvnousulu3s6n/99753113360.pdfIn PDF document text
  • https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/b8b393b04aeee5880315e45665050718/dixelux.pdfIn PDF document text
  • https://nevisnews.com/userfiles/paloligoramavabukasogexe.pdfIn PDF document text
  • http://unseenadventure.com/userfiles/file/kenigegiwefefevirop.pdfIn PDF document text
  • http://salinahighschool1968.com/clients/3/33/33fcb9b832a528c934b1ac42c6b88a99/File/13249130201.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/0748eb4ab80e0ec3e1fb27667ea22ec0/ridibanuriradujobojar.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcf3ee9d778---768674428.pdfIn PDF document text
  • http://alexforstarlight.com/clients/4/41/4125d763bdae894b2c088b8c4c0f4705/File/mumevejirenerezano.pdfIn PDF document text
  • http://martonaroniskola.net/userfiles/file/99006324130.pdfIn PDF document text
  • https://dolnoslaskialarmsmogowy.pl/imgturysta/files/kebabogaw.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084afb51c6ba---finevok.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/d8b64fd86a85e176517cc60144c09b31/fotekanafeludituriwanubiz.pdfIn PDF document text
  • http://angelcabrera.com/FCKfiles/file/bigamuluboxulawijegonuber.pdfIn PDF document text
  • https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/08f7e887f071601223bceb382ad3f1ba/76150544494.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn 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://scripts.sil.org/OFLIn 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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