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://queure.ru/uplcv?utm_term=convert+pdf+to+word+free+download+filehippo PDF link annotation

  • http://vertracapital.com/uploads/files/58503567306.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b164262faca---6080268214.pdfIn PDF document text
  • http://jiachuankeji.com/upload_fck/file/2021-8-27/20210827165645372429.pdfIn PDF document text
  • http://suachuadienlanhhoaphat.com/hinhanh_fckeditor/file/xaniminigomuvunoluta.pdfIn PDF document text
  • https://360clothing.in/home/www360cl/public_html/uploads/images/files/90089032010.pdfIn PDF document text
  • http://entryexpress.online/chapter_images/files/31251417306.pdfIn PDF document text
  • http://wildpflanzen-planung.de/file/53922848991.pdfIn PDF document text
  • http://on-video.com/movies/movie_data/file/rejiwexubutazorufujixo.pdfIn PDF document text
  • http://daotaoyduoc.org/wp-content/plugins/super-forms/uploads/php/files/mua3d8t4jnlps783hgbhv4s4v1/xedipabasuziziluratuzoja.pdfIn PDF document text
  • http://ttworld.hu/uploads/content_files/files/80275385070.pdfIn PDF document text
  • http://ceomit.com/fckupload/file/54888565134.pdfIn PDF document text
  • https://xn--fct5g39pjpo.tw/upload/leakstop/files/86950035062.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160ff02d1d33fe---kotabekomujemidovopurewe.pdfIn PDF document text
  • https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/33ce8b7baa05966718788274eb24c6c4/71060936394.pdfIn PDF document text
  • http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/2mm412gt5dbgnahk44n5ihrib5/51537534844.pdfIn PDF document text
  • https://birsamundapark.in/userfiles/files/lifuzikuborozufixire.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baa2e59dcc9---dawikuragi.pdfIn PDF document text
  • https://bursakaynak.com/userfiles/file/2387572034.pdfIn PDF document text
  • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160afcca2121f0---15065531717.pdfIn PDF document text
  • https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/161211c80a3022---vusufaz.pdfIn PDF document text
  • http://hitecds.com/userfiles/file/gelirelenelize.pdfIn PDF document text
  • http://www.deopendeur.org/imgUser/file/30407200416.pdfIn PDF document text
  • http://malifer.hu/upload/file/69518727440.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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