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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://wastran.ru/uplcv?utm_term=good+omens+pdf+free+download PDF link annotation

  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/igpi8ljcitiuiob58k5e30tqs7/sagematixis.pdfIn PDF document text
  • https://www.perfumista.co.uk/wp-content/plugins/super-forms/uploads/php/files/eb51a371c61ef69885579bfe90e77c40/44218987525.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160ac110ee4436---72655257687.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/mr8v7n04ecb9j48or3qshk3cc5/libujirikewubibopukupolel.pdfIn PDF document text
  • http://sattosushi.com/uploads/files/lesolemukalowi.pdfIn PDF document text
  • https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/003e53eed4d4f98c3064b112bf126f09/56626892543.pdfIn PDF document text
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/d75953cd8b8fb1d474344579835429ec/70901655533.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081f16cf0465---52551698587.pdfIn PDF document text
  • https://fourseasons.events/wp-content/plugins/super-forms/uploads/php/files/72e44b248dde2c4a4af485de6cb0fb34/43509196555.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab59019b2d---3036576693.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160755d8fd3783---33368652169.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/7uo4gs3fvlig2bh734280lbqt4/85923757402.pdfIn PDF document text
  • http://bebelino.ru/userfiles/file/42768505991.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/a802953e27cfd1f877b54345303b51ab/64329367858.pdfIn PDF document text
  • https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/c164eee68dbc585df4d173ee3dc3f909/43077482799.pdfIn PDF document text
  • http://cambridgekapurthala.com/damana/userfiles/file/75694406370.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-10/20210510042553255408.pdfIn PDF document text
  • http://allaboutdowney.com/userimages/mojotugi.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607859f7a61fc---mikok.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text

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