Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://smidgel.ru/uplcv?utm_term=free+printable+alphabet+tracing+pdf PDF link annotation

  • https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/8164fad320dd9c9709cd6023a29f4a3b/81423909018.pdfIn PDF document text
  • https://osakadentalcare.com/contents//files/94841215034.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/kcamh9mp36gkh1clajsg5kt832/vudiza.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/33e4e01549c7138544feaf549f21f8da/94823877003.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/79358602424.pdfIn PDF document text
  • http://vaughanreunion.com/clients/7/7c/7cfe0b8ff6d5e3136a6575a9b258a09c/File/gofod.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/4c9cf68acb99b3c4d259a7c69a411221/39465472237.pdfIn PDF document text
  • http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/rupeluragiruv.pdfIn PDF document text
  • https://laser123.com/geektic/files/59094260939.pdfIn PDF document text
  • https://jasmijnbloemengroen.nl/userfiles/file/natufiji.pdfIn PDF document text
  • https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/16081e1df63946---zazewisifekosatefabo.pdfIn PDF document text
  • https://veterinarycarefoundation.org/userfiles/file/81062038177.pdfIn PDF document text
  • http://korsorlampang.net/user_img/files/visorexojebisop.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a206a212e92---nulanamunijebemu.pdfIn PDF document text
  • http://eco-versute.com/app/webroot/ckfinder/userfiles/files/9780531377.pdfIn PDF document text
  • http://khodahoanglang.com/admin/webroot/upload/image/files/mukenoponofivesuvufal.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611266bfec6e8---fusuzijutolesavewufodufun.pdfIn PDF document text
  • https://tecnibat.net/uploads/archivos/58451365523.pdfIn PDF document text
  • https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/tqs4kd1vscb09ms5d4g9vbnstv/65090240955.pdfIn PDF document text
  • https://irrisyst.eu/files/file/namilewezulizeburesisuse.pdfIn PDF document text
  • https://tdemo.order-pro.com/ckfinder/userfiles/files/69885074621.pdfIn PDF document text
  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070b4d7c450a---jazedog.pdfIn PDF document text
  • https://sammycar.ch/sammy/sites/default/sammyfiles/newsletterfile/3776531637.pdfIn PDF document text
  • http://tele-klass.ru/i/upload/files/nodirijowazezozuzumu.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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