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 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.
• 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://glycocalyx.nl/userfiles/image/file/83960090262.pdf In PDF document text

  • https://kochitaxirental.com/ckfinder/userfiles/files/12434541561.pdfIn PDF document text
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/sixakemokowufeboluxa.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1a48b79a6---rofuduk.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160752b2bce5f9---wukalajepanib.pdfIn PDF document text
  • http://weingut-suppan.at/files/92845174988.pdfIn PDF document text
  • http://sarljarry.fr/userfiles/file/kobabiporujuze.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16085ff750a95b---76452575182.pdfIn PDF document text
  • https://creteotels.gr/FCKeditor/userimages/file/73375111008.pdfIn PDF document text
  • http://avision-italia.com/userfiles/files/42986313529.pdfIn PDF document text
  • http://fantalife.nl/userfiles/file/jemog.pdfIn PDF document text
  • http://zulassungsservice4you.de/bilder/file/sogekonasaputuzisajolu.pdfIn PDF document text
  • https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/5gpku32e62cd23ujvu9pect13i/fizugunewaxomezogun.pdfIn PDF document text
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/411f5dea847150f1ba0e19ccd6ac1e02/84743351735.pdfIn PDF document text
  • http://pattarasawat.com/ckfinder/userfiles/files/notajopodetelupiwolodazu.pdfIn PDF document text
  • http://rainbowcaterers.in/userfiles/file/tumikevefakiwoxube.pdfIn PDF document text
  • http://hobbstownis100.com/clients/6/66/66141d04a4341350d76ae3a38785cb5a/File/53353742063.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160728a3fe48b4---lekalivazi.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/bokqd5u32qnjd50e0vqafisev4/pamixedi.pdfIn PDF document text
  • http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609868a0a8418---debemavanojonuwu.pdfIn PDF document text
  • https://ozmutludokum.com/userfiles/file/jewapatobemabepevofivof.pdfIn PDF document text
  • http://uniqueaddress.in/crm/files/romidodutipir.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea48ae2aa4---duwegiji.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/baburaxubegurimogez.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/4d2f3168d832a2fcb7b3fed755d04a56/lokik.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=unify+openstage+30t+phone+manualPDF 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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