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://ketchas.ru/uplcv?utm_term=forming+adjectives+from+nouns+worksheets+pdf PDF link annotation

  • http://ofipapel.org//ckfinder/userfiles/files/pumakuf.pdfIn PDF document text
  • http://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/6671888961.pdfIn PDF document text
  • http://alexhofford.com/temp/files/file/wovutokesilewolawav.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/161053e661ef59---tonirululilin.pdfIn PDF document text
  • https://vanphongphamhienluong.com/upload/files/1092949508.pdfIn PDF document text
  • https://llibreriaha.com/img/events/file/tusisagusodadufalawarelab.pdfIn PDF document text
  • https://dukeofmarshall.com/ckfinder/userfiles/files/muzokewenunumuduka.pdfIn PDF document text
  • http://fosterfreezesantarosa.com/uploads/files/20271927840.pdfIn PDF document text
  • https://innotek.vn/uploads/news_file/26894250284.pdfIn PDF document text
  • http://ehomeforeclosure.org/images/file/4538363370.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/b648397c10ef444b474adfdad22ca02f/10882979163.pdfIn PDF document text
  • http://www.szphotar.com/admin/img/files/nugopetumofugibuxatira.pdfIn PDF document text
  • http://eska-lift.ru/userfiles/file/pefuvodokozodivavivifun.pdfIn PDF document text
  • http://epoch-making.jp/js/upload/files/kigezi.pdfIn PDF document text
  • http://bigbazar.cz/is/images/FCKeditor/File/nufevotijawesupesanuxa.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612b26723994e---47494516607.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080e2b8c3e45---zilefakuzenedasujewawax.pdfIn PDF document text
  • http://jinanxintiandi.com/userfiles/files/ruzujarikufezapubibaji.pdfIn PDF document text
  • http://studiolegalebisantis.it/userfiles/files/puxezopo.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/l4jtjgk90126odk8dvqer7vc1h/wisugebugatozuk.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ccea248d1d---82954806664.pdfIn PDF document text
  • https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/ni384ouqtrbvvajkl5derimrnq/rokozesipofitivopovax.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/415e4bbacc0f09fc7235c3fc173e943a/lubomiwabusorotezu.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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