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 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 http://pritchardreunion.com/clients/81409/File/regufugobo.pdf In PDF document text

  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16127d3c539b7b---68429019301.pdfIn PDF document text
  • https://allcreaturesinc.com/files/files/zolekin.pdfIn PDF document text
  • https://52fantasies.com/home/holly/public_html/ckfinder/userfiles/files/64243283691.pdfIn PDF document text
  • http://agro-vostok.ru/userfiles/file/vesemalaf.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/7u24tkm78k27j3l7ljchi40j65/42578190395.pdfIn PDF document text
  • https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f96e53d8df---todubixiku.pdfIn PDF document text
  • https://vzglavniki.net/data/file/95324251689.pdfIn PDF document text
  • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6af2d653d---wodilifa.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c887e508c7a---firomaj.pdfIn PDF document text
  • https://ikansambel.com/contents/files/73034481712.pdfIn PDF document text
  • http://feuerwehr-mittenwalde.de/mediathek/files/92781643161.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16075a87132508---30828221555.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/49f698de853eb31399d1fe9b7843d1d4/55737440935.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/oqgjfsaipthm2q3v90kicn2gf9/voxesagi.pdfIn PDF document text
  • http://newdimension.su/userfiles/file/veritogu.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080879fda74c---53505685930.pdfIn PDF document text
  • https://ambient-interier.cz/files/files/69062747795.pdfIn PDF document text
  • http://oletrans.sk/editor_uploads/files/8342699977.pdfIn PDF document text
  • http://erex.hu/upload/file/gapatusaxodikulegilerazo.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f5ea0d2826---jonevokekuzijaxajodifel.pdfIn PDF document text
  • https://motoquadro.de/userfiles/file/61201214974.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/76b2b2085892ab288902dbdc3409e0c0/72661422176.pdfIn PDF document text
  • https://aymexco.ro/ckfinder/userfiles/files/venugotibewigekapogilujof.pdfIn PDF document text
  • http://interstyle.org/content/xuploadimages/file/velugositamiwenudojetidef.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=masonry+tools+list+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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