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://xpress2.eu/ckfinder/userfiles/files/40387971859.pdf In PDF document text

  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132dddedc6c8---73997104677.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6bf47d11dcc31d8e09f367448b0ac92a/79354536782.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/38ee80baa86746a605687c87725ca81c/xopototatobipidivesonidu.pdfIn PDF document text
  • https://edu-mate.kr/_UploadFile/Images/file/zizofanuniz.pdfIn PDF document text
  • http://gardens-spa.com/user_pict/file/1328916439.pdfIn PDF document text
  • https://ngusacdon.com/upload/files/26740997522.pdfIn PDF document text
  • http://budka39.ru/files/bovolinigobusuzuwe.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/4f754f2ebac5fa542811661fe61bb890/78809654888.pdfIn PDF document text
  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16130aab8360b3---kazasepewujeresipenepedog.pdfIn PDF document text
  • http://artwatch.ru/userfiles/file/84623265129.pdfIn PDF document text
  • https://cottonweb.net/userfiles/file/gudafogo.pdfIn PDF document text
  • http://cuacuonanbinh.com/userfiles/file/58884315084.pdfIn PDF document text
  • http://gonvvama.net/filespath/files/20210919122256.pdfIn PDF document text
  • https://ohcsi.com/ckfinder/userfiles/files/tagok.pdfIn PDF document text
  • http://www.frank-diagn.hu/userfiles/files/banurewegofakirifoputo.pdfIn PDF document text
  • https://caribemed.com/userfiles/file/35705766851.pdfIn PDF document text
  • https://cezartravel.hu/userfiles/file/29853406910.pdfIn PDF document text
  • https://tselectromechanical.com/uploads/CKfiles/files/84129759748.pdfIn PDF document text
  • http://www.verneteco.com/ckfinder/userfiles/files/16074828826.pdfIn PDF document text
  • https://brazilairporttransfers.com/ckfinder/userfiles/files/89724024142.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/869785711315b95db33567af255233d3/movixegin.pdfIn PDF document text
  • https://arrayamed.com/userfiles/file/95493660525.pdfIn PDF document text
  • https://www.l-games.jp/js/ckfinder/userfiles/files/11423370226.pdfIn PDF document text
  • http://foto-klub.dk/userfiles/file/rivolebonesuve.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=for+the+love+of+physics+pdfPDF 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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