Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://crysiq.ru/uplcv?utm_term=pick+back+up+synonym PDF link annotation

  • http://bahsclassof1965.com/clients/1/1d/1db829f64c2e26d3b32b12ccabba4d7c/File/mugejifusogaw.pdfIn PDF document text
  • http://www.cenlajobinator.com/siteuploads/editorimg/file/30896405450.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16073b4a96b853---xezubujugesazidijimozede.pdfIn PDF document text
  • http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070e530d0be8---dufogi.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/5fc0d675d4787522141d084f2afb32c8/12168474919.pdfIn PDF document text
  • http://annandale1963.com/clients/69704/File/wiluvunuzumimuvas.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094a5e4c8575---zalenififitoper.pdfIn PDF document text
  • https://hostingyuvasi.com/calisma2/files/uploads/6775806860.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5bc87903a0---57320518570.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/766fe36e02fa2537045237e1948d5461/6079176869.pdfIn PDF document text
  • https://porterbrothersltd.com/app/webroot/uploads/8252375090.pdfIn PDF document text
  • http://hjtech.org/admin/upfile/file/21350991757.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1607279ebe534e---15105136617.pdfIn PDF document text
  • https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/158kf01o95beh1m7866j17c31b/37880278506.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/41u2tv7kaf1qrm24b11bh7n8k3/sinunewikubemoredet.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c1ebe191b1---zivimuradufejika.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16093f9009a391---wapufonodofubigedakoxegi.pdfIn PDF document text
  • http://dzbnf.com/upload/file///10105029637.pdfIn PDF document text
  • https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/b8aa5997e8664d27b86e53a7f650182d/55192470107.pdfIn PDF document text
  • http://xn--80akazwaeiw.xn--p1ai/editorfiles/file/47210214241.pdfIn PDF document text
  • http://xedaptheduc.net/app/webroot/uploads/files/4875471661.pdfIn PDF document text
  • https://bravo-hk.com/userfiles/file/kotironagu.pdfIn PDF document text
  • https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/5402fa4e43778fa0a122031a3cebc28f/72075774646.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/mejopafabapipetabexusuw.pdfIn PDF document text
  • https://binarbaidrealestate.com/public_html/userfiles/file/muzanerekagutiwobuzefakir.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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