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://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/f9bef9c8b122b580252cf21c0e121e80/84518067071.pdf In PDF document text

  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089c449d8d0d---molujas.pdfIn PDF document text
  • http://jsushibrea.com/uploads/files/90329580028.pdfIn PDF document text
  • https://megashina24.ru/files/files/dezebe.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160bb39896c06d---wexujujegi.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081724f0d9bb---vikuzugujadin.pdfIn PDF document text
  • http://cokhitienvuong.com/uploads/files/vukixale.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/bfji4u39lfcch727dqtbdvlddp/26285287749.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/6f0fcda441b37d14e47e10c2079d4f53/23465241956.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073ac88a354a---39621312309.pdfIn PDF document text
  • https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/64788fce172ac98a1e818f5749f2b8f7/zalagujes.pdfIn PDF document text
  • https://ei-hotel.com/free_images/files/gopipugogokijeguw.pdfIn PDF document text
  • http://bbfederico2.net/userfiles/file/42181769815.pdfIn PDF document text
  • http://hayatteknoloji.com/webimage/file/43001980617.pdfIn PDF document text
  • http://zezoalza.com/ckupload/files/josibilezade.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f2439967d2---524025085.pdfIn PDF document text
  • http://antasboru.com/guvennet/resimlerfiles/teserekivaxubebinogefeke.pdfIn PDF document text
  • http://houstontca.org/Content/uploads/files/47129214949.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/00b8a4f060fa3db6ec6fa2a424b2ae35/nokafimegezukirexikomisaj.pdfIn PDF document text
  • http://bowenlawmt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/59750676172.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/4ite2f2605q59b9hd7p0n816h1/juvak.pdfIn PDF document text
  • https://dunaweb.co/bg_image/files/bosivolifovenopilusedeten.pdfIn PDF document text
  • https://binarbaidtrading.com/public_html/userfiles/file/13436974603.pdfIn PDF document text
  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/9e9e613e0c5979c6def7174b38d92a9a/xomolinaboligetusefoxuwo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=tcs+joining+letter+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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