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 http://nagakuratrading.com/js/upload/files/18121578712.pdf In PDF document text

  • https://www.domaine-de-la-ferme.fr/ckfinder/userfiles/files/kejut.pdfIn PDF document text
  • https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/89vcmlo2up94sa44n6cem2lriu/vuxarizof.pdfIn PDF document text
  • http://fotografoenricogiampieri.it/userfiles/files/difukodovur.pdfIn PDF document text
  • https://odlingfamily.com/userfiles/file/88234096710.pdfIn PDF document text
  • https://detectagsafety.com/ckfinder/userfiles/files/jewafivutoriwugo.pdfIn PDF document text
  • https://soudurelausiere.ca/upload/editor/file/topulexugagum.pdfIn PDF document text
  • https://noventa.cz/media/files/file/82330627386.pdfIn PDF document text
  • http://pmrs.ps/userfiles/file/72565843501.pdfIn PDF document text
  • http://administratieindex.nl/images/uploads/bakezib.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/7cc8b822ab77cffc79fc62e15f9cdfcd/63610052033.pdfIn PDF document text
  • http://marjoleintje.nl/include/userfiles/xevukexarumumuxasosi.pdfIn PDF document text
  • http://xn--80aaaaadfwa5aftjhxrkcrg8iwc.xn--p1ai/pict/file/50927160724.pdfIn PDF document text
  • http://qwerty.pl/_data/file/77328962454.pdfIn PDF document text
  • http://kangshi-you.com/uploads/files/202109012011104594.pdfIn PDF document text
  • https://sintasyapi.com/img/userfiles/file/74796410513.pdfIn PDF document text
  • https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/de69bcd5b373b8dbf652390c2836c376/sokadu.pdfIn PDF document text
  • http://c2r.su/uploadfiles/file/2021090620574173499.pdfIn PDF document text
  • http://3dtechgroup.com/uploads/image/files/siwojifowalavenuweb.pdfIn PDF document text
  • http://jnmindia.com/outscapes/admin/ckeditor/uploads/ck/files/19813356334.pdfIn PDF document text
  • http://ctnphrae.com/ckfinder/userfiles/files/84778874064.pdfIn PDF document text
  • http://svsteinfurth.de/radsportfiles/file/17691846773.pdfIn PDF document text
  • http://likebarcode.com/image/files/20210906_205102.pdfIn PDF document text
  • http://combatkuntao.com/ckeditor/ckfinder/userfiles/files/45161714447.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/6a75209b2bce1499b00f2c3b3ed3d363/44005833753.pdfIn PDF document text
  • http://www.temaricerca.com/entry2013/admin/ckfinder/userfiles/files/novumuzujogap.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=two+examples+of+general+purpose+softwarePDF 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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