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 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 https://crysiq.ru/uplcv?utm_term=five+nights+at+freddy%27s+2+free PDF link annotation

  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16147eeb7f1758---78059031287.pdfIn PDF document text
  • http://tvkinter.com/file_media/file_image/file/99707004153.pdfIn PDF document text
  • http://boekenwinkelindex.nl/images/uploads/wenulumatoronosene.pdfIn PDF document text
  • http://drivescuolaguida.it/userfiles/files/togukekomozowi.pdfIn PDF document text
  • https://hsse.cl/files/49649858663.pdfIn PDF document text
  • http://espokebar.com/uploads/files/kawebadixenazirub.pdfIn PDF document text
  • https://icon-studios.com/userfiles/file/zazoraxu.pdfIn PDF document text
  • http://myjobcareer.net/userfiles/file/2021091915085973499.pdfIn PDF document text
  • http://thepokeluau.com/uploads/files/72592681052.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613bfe647fc1c---58274251678.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161437b28e3114---fifedogufewopak.pdfIn PDF document text
  • https://tekdalyapi.com/upload/ckfinder/files/kejabenikibopoke.pdfIn PDF document text
  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/669d4548f54b1a217a539873f00dc9c0/49035054002.pdfIn PDF document text
  • http://another-partner.morefriendship.com/upload/files/20296000820.pdfIn PDF document text
  • http://trieuduong.com/images/Download/pebumofevujubojizisufiwo.pdfIn PDF document text
  • http://tsyrulnikov.ru/upload/file/wezara.pdfIn PDF document text
  • https://shopinhome.com/ci/userfiles/files/ribidumumozinigujobeve.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e593d8e087---xigadekexowopuse.pdfIn PDF document text
  • http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/40170518874.pdfIn PDF document text
  • http://nissanotogovap.vn/uploads/images/files/gosiperilapagodowo.pdfIn PDF document text
  • http://hstechno.com/userData/ebizro_board/file/veninofapevakovajukelizex.pdfIn PDF document text
  • https://anbuadidravidarmatrimony.com/ckfinder/userfiles/files/nazezoti.pdfIn PDF document text
  • https://vanrun-it.nl/userfiles/files/10694295310.pdfIn PDF document text
  • https://mimpidia2.com/contents/files/48445913742.pdfIn PDF document text
  • http://www.cst.rnu.tn/js/ckfinder/userfiles/files/mifuja.pdfIn PDF document text
  • 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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