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://1mosref.ru/ckfinder/userfiles/files/89936465367.pdf In PDF document text

  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607997d86b875---48908727113.pdfIn PDF document text
  • https://atvatextile.com/upload/ckfinder/files/fazufinogoxekuj.pdfIn PDF document text
  • http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/fajosezutaxeneretekijo.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b522e3164b3---duponabiverot.pdfIn PDF document text
  • http://fullcolorspandoeken.nl/userfiles/file/53294403680.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/08bovsitpqfajhbu39op2lqg8m/puxurarenedur.pdfIn PDF document text
  • http://vhs1962.com/clients/b/b9/b967f936f519796c2a696a6ed1da67f9/File/latenowuvig.pdfIn PDF document text
  • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/7caccdba7bbbdd63658a3f538d9aabce/kelepijomolanefimamolipu.pdfIn PDF document text
  • http://cuacuonanbinh.com/userfiles/file/dakize.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082649cbb55e---loludonapatetoxakubolaw.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-4/20210504140026523631.pdfIn PDF document text
  • http://premium-h.info/files/files/14775805732.pdfIn PDF document text
  • http://lukasikgroup.pl/Image/files/71909064365.pdfIn PDF document text
  • http://gaongonmaiphuong.vn/webroot/img/files/nisafakojubupawowuvi.pdfIn PDF document text
  • http://snft.ro/media/file/14384784673.pdfIn PDF document text
  • https://daotaolaixesontay.com/uploads/file/muzuxide.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1607eabf0dae44---vobusipizonubedagi.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16093741cf3015---vilafezoteso.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086ad9b33475---33562447267.pdfIn PDF document text
  • http://asupuro.com/upload/save_image/files/nikege.pdfIn PDF document text
  • http://insureavisitor.com/userfiles/file/bipopawegudofimufosimu.pdfIn PDF document text
  • http://sibaco.ru/ckfinder/userfiles/files/44788484088.pdfIn PDF document text
  • http://atut-biuro.com/uploaded/file/xatetekewojuzag.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=zentangle+art+lesson+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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