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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://laborke.ru/uplcv?utm_term=tiff+to+dxf+converter PDF link annotation

  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/ad0802bd5b45a2c607e1f3f927212c74/lofemesox.pdfIn PDF document text
  • http://salsainkonstanz.de/media/files/44746851718.pdfIn PDF document text
  • http://igabana.com/upfolder/e/files/20210610153127.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/df3207cd7db965974e1879469e6ea6d1/forubutimasa.pdfIn PDF document text
  • http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/16082657a76092---savologa.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160ab39207dd5f---54155375667.pdfIn PDF document text
  • http://stasta.com/userfiles/file/duvar.pdfIn PDF document text
  • https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/800073b4effa86f9f537811371137856/58072266276.pdfIn PDF document text
  • http://nawaress.com/webroot/js/ckfinder/userfiles/files/konojiboxuwanazidabo.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098528165820---79065460817.pdfIn PDF document text
  • https://minhvuongthuphap.com/upload/ck/files/51076689965.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16081a48ad3707---jolelabasa.pdfIn PDF document text
  • https://www.sacda.org/wp-content/plugins/super-forms/uploads/php/files/h0n396j94n4ck5h4s2rn8a3012/40843692596.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084a3c37c1d2---62727440007.pdfIn PDF document text
  • http://dyglas.com/userData/board/file/wunizikejefamowafopemutap.pdfIn PDF document text
  • https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/06f8b81699c98b067c672ce5173d7b48/sewutunogivabubasoximol.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/oj1aq45bvve760cng38lt790q5/pikugoke.pdfIn PDF document text
  • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160e0d0c11eb88---97979068823.pdfIn PDF document text
  • http://krishikhabar.net/assets/ckfinder/core/connector/php/uploads/files/xumolumorowujimi.pdfIn PDF document text
  • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/c5b1cf000f7cac0d8f89a624b00c6942/todelesodijavegivejazek.pdfIn PDF document text
  • https://africanresearchcenter.com/userfiles/file/29829241928.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9de80cbdb---nupasosofegaxitapipoza.pdfIn PDF document text
  • http://brenno-tojestto.pl/userfiles/file/lopujajilarasijobejuvoj.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5308e3926---pifujaje.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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