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://infrive.ru/uplcv?utm_term=digiprog+3+pdf+download PDF link annotation

  • http://anhuizpyy.com/upload_fck/file/2021-5-23/20210523101234114297.pdfIn PDF document text
  • https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c492c221f6d---56900613764.pdfIn PDF document text
  • https://nexusmediation.nl/files/28401050404.pdfIn PDF document text
  • https://www.demetagras.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081e211ac1a6---69201653070.pdfIn PDF document text
  • https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/hdoatk0lgp6072vor8gh58k530/78844421698.pdfIn PDF document text
  • http://yuha.be/_files/file/bipitorivesize.pdfIn PDF document text
  • https://store-connector.com/_upload_bilder/_filemanager/file/sonaxada.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/q7akg2o0p0lojbstssk98p9sod/kowaxameja.pdfIn PDF document text
  • http://donateagift.eu/userfiles/file/xidab.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/elh6e7bih5ksod1l5afpn61l17/timofe.pdfIn PDF document text
  • http://tafgambiatours.com/userfiles/file/rukijusajuki.pdfIn PDF document text
  • http://sincaremedicaltour.com/js/upload/lovuna.pdfIn PDF document text
  • https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/fbtgrs9ibr4f3ltbi93u4puhj3/32215750441.pdfIn PDF document text
  • http://romengo.com/ckfinder/userfiles/files/32546973140.pdfIn PDF document text
  • http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/jb43iukcueerua9n7plrbjvt56/39102040096.pdfIn PDF document text
  • http://daiichigroup.net/uploads/news_file/nuzuxogovejeguwovu.pdfIn PDF document text
  • http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a5023b936ca---78451281874.pdfIn PDF document text
  • https://coluer.ir/documents/file/xomepukinivekirupizikin.pdfIn PDF document text
  • http://chinalabware.ru/d/files/55143604355.pdfIn PDF document text
  • https://luminex.pl/upload/file/tasoxexevobo.pdfIn PDF document text
  • https://turbooto.vn/upload/files/6191843282.pdfIn PDF document text
  • http://onishi-kyosendo.jp/archive/babadowigigabiv.pdfIn PDF document text
  • https://www.leadercaravans.com.au/application/third_party/ckfinder/userfiles/files/98031604825.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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