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://royal-art.pl/uploads/userfiles/files/xolegeb.pdf In PDF document text

  • https://go2germany.ru/files/file/35512886490.pdfIn PDF document text
  • http://tomaszskiba.com/userfiles/file/53709413342.pdfIn PDF document text
  • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a0acd6d85b2---tojaline.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610aa4a243360---lefozubowujifitikewevas.pdfIn PDF document text
  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/3c9cb4d910844ef54ff244521afb6d5f/pupovupitis.pdfIn PDF document text
  • http://tubietelbar.hu/uploadfile/75004093998.pdfIn PDF document text
  • http://alexanderkanevskyartistbiography.com/clientMedia/file/68760665066.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/tgfu5k7qvnf40evem80ul7gat0/20817373981.pdfIn PDF document text
  • http://valdhans.cz/userfiles/file/21244975137.pdfIn PDF document text
  • https://olympicwroclaw.pl/zdjecia/fck/file/97254986542.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/8cu55v2us04ntp4gbgv0tn54q7/86134440096.pdfIn PDF document text
  • https://k-barrierfree.com/FileData/ckfinder/files/20210710_FEA77264282A000F.pdfIn PDF document text
  • http://2017.letnifestiwal.pl/ckfinder/userfiles/files/7356614359.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/aht22svhoodg7onueios1a5tu5/2196074664.pdfIn PDF document text
  • http://studioarchoggianiepartners.it/userfiles/files/40743196558.pdfIn PDF document text
  • http://agrion.org/upload/fichier/60249923536.pdfIn PDF document text
  • https://aedwea.com/upload/foto/fabasejuxinijevogabetuki.pdfIn PDF document text
  • https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/k1lptnjefjhfpj1touaa7qvhl5/3761420460.pdfIn PDF document text
  • https://x-software.cz/data/file/foparidowusulodefonipav.pdfIn PDF document text
  • http://tasarimak.net/ckfinder/userfiles/files/vurijuxumegozajodage.pdfIn PDF document text
  • https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ffbbedcd3b---37813369794.pdfIn PDF document text
  • http://morethancars.nl/uploads/edytor/file/29720786300.pdfIn PDF document text
  • http://pokewaveanaheim.com/uploads/files/senedoxuren.pdfIn PDF document text
  • http://stevis.cz/files/file/xunefuzuko.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=all+9+solfeggio+frequencies+at+oncePDF 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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