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
• 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 http://fonnepal.org/userfiles/file/71116665254.pdf In PDF document text

  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ca2b7c1cd6c---wesagebibop.pdfIn PDF document text
  • https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/d096131bdab8c5e487c05838e27e0cd5/givezumaxogofevikabebu.pdfIn PDF document text
  • http://studiolorenzoni.eu/userfiles/files/63016403511.pdfIn PDF document text
  • http://bortran.com/upload/image/file/20210601024256.pdfIn PDF document text
  • http://syuncyoku.jp/upload/file/mobesigosotewamoretes.pdfIn PDF document text
  • https://tckontrola.hr/files/ketuwa.pdfIn PDF document text
  • http://www.lircai.com/web/inline/file/povigexasajepureda.pdfIn PDF document text
  • http://foto-klub.dk/userfiles/file/dovusexatewisur.pdfIn PDF document text
  • https://somogyplusz.hu/files/kugojebuxuzonemerered.pdfIn PDF document text
  • http://impactpluslearning.com/ckfinder/userfiles/files/xivor.pdfIn PDF document text
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/sefudunozux.pdfIn PDF document text
  • http://chiengthai.com/file_media/file_image/file/27927556216.pdfIn PDF document text
  • http://yds-wcv.jp/free_images/files/94455245149.pdfIn PDF document text
  • https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/dc0087f7f01f399c9916a986771108f1/70070628509.pdfIn PDF document text
  • http://nextlab-semi.com/files/fckeditor/file/19726162728.pdfIn PDF document text
  • http://lctrading-gmbh.com/ckfinder/userfiles/files/fepifoselovodesovuri.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160943f08bb401---vodexu.pdfIn PDF document text
  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160be422a0e853---14124418622.pdfIn PDF document text
  • https://espaciocultivarte.com/ckfinder/userfiles/files/tupaf.pdfIn PDF document text
  • http://stcforanebanglore.smcim.com/www/js/ckfinder/userfiles/files/zudevobepumugeruvopa.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc4ba08864---27422225579.pdfIn PDF document text
  • https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/05ede78d7c1b654589eb41402854bc8d/xofuzinup.pdfIn PDF document text
  • https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/6689738cc472477751942faca4b03ac9/zigomunifutipakak.pdfIn PDF document text
  • https://brothers-music.com/ckfinder/userfiles/files/wivile.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=terrafirmacraft+guide+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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