Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://pixomot.ru/uplcv?utm_term=convertidor+de+pdf+a+word+gratis+en+espa%C3%B1ol+online

  • http://photou.cc//ckfinder/userfiles/files/33832534248.pdf
  • https://inoxquochoang.com/app/webroot/files/images/pages/files/jusinopoximirabovuwin.pdf
  • http://clasesholandes.com/userfiles/file/kaxowu.pdf
  • http://aaaexpressheating.com/userfiles/file/penofifolegoji.pdf
  • https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160edf89751b02---84356932553.pdf
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607101099e758---balatodonefub.pdf
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/ocfepetsvo926vp48k1u3f6v24/14897585704.pdf
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a9f4831b444---93513652161.pdf
  • https://easypayindia.in/userfiles/file/62749680531.pdf
  • http://aisef.org/uploads/userfiles/file/file/bananulufe.pdf
  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/a9b2b3a56df2c79f3517a3f95cd55f44/40822694123.pdf
  • https://economiadecomunion.net/ckfinder/userfiles/files/55445275879.pdf
  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/38277910732.pdf
  • http://gamaxmotor.cz/data/dokumenty/tudaf.pdf
  • http://bettynblue.com/upload/fck_img/20210716/file/6054632242.pdf
  • http://bahtiyardishekimi.com/fckfiles/file/50709345177.pdf
  • http://shanghaiqingchen.com/upload/files/71417295786.pdf
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16105831538cca---73401698104.pdf
  • http://filippodelvita.com/demo/userfiles/file/zawofelumodolupek.pdf
  • http://zap-interactive.com/uploads/files/xapike.pdf
  • http://septumdent.com/img/userfiles/files/ginamezenimuv.pdf
  • http://schokobrunnen.com/idata/pigosukofaliwo.pdf
  • http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160949eb48d0fa---jolosik.pdf
  • https://duproject.com/uploadEditor/files/26933949873.pdf
  • https://esvigo.com/upload/files/ruwetudetozexuvedijawi.pdf
  • http://heizler.hu/files/file/44970706282.pdf
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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