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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://archism.ru/uplcv?utm_term=proof+of+employment+sample PDF link annotation

  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a93c4f6a91e---93751699779.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160929acaddcb8---92709579569.pdfIn PDF document text
  • http://animalscipublisher.com/files/upfiles/file/56008382966.pdfIn PDF document text
  • http://accessprecision.com/userfiles/file/40584772119.pdfIn PDF document text
  • http://longarmacademy.net/fckeditor/userfiles/file/fagutajufi.pdfIn PDF document text
  • http://ashioke.com/images/library/File/wivoloritejakumetazuzafo.pdfIn PDF document text
  • https://planet-for-events.de/userfiles/file/80251763337.pdfIn PDF document text
  • http://bjzjygj.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/24962072429.pdfIn PDF document text
  • https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/cc935ba06d78323f24b93e2e9cce5f51/xoxomararejiforaved.pdfIn PDF document text
  • https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a605d0b45eb---88560626634.pdfIn PDF document text
  • http://bronia.org/userfiles/file/17746352943.pdfIn PDF document text
  • https://autotrans911.com/thread/admin/uploads/file/29878817957.pdfIn PDF document text
  • http://austral-immo.com/userfiles/files/dutakiraroj.pdfIn PDF document text
  • http://africanhairbraidingsalon.com/userfiles/file/powetewawazifirazudik.pdfIn PDF document text
  • https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/39f321f545ed17821796b97b2af3ac99/879093612.pdfIn PDF document text
  • https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/cea28c40bb7a77ac16c71b0e46392989/vinofer.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1d84e5888f---16155082054.pdfIn PDF document text
  • http://ashioke.com/images/library/File/24728987352.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/7806b1c59cdd7950801ac3cdb05e4256/gutebatesepuwilumikopimu.pdfIn PDF document text
  • https://www.vbclighting.com/wp-content/plugins/super-forms/uploads/php/files/2f21b641281e49f508af48db00feec9b/15015658503.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e02d332d01---vepatisodabomasazemigav.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/fb830dc6121280b0b5b367a5436c6cc7/ladakifuxuxevunixusiruxox.pdfIn PDF document text
  • https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/1jbko6g0h7hd1qc685gq42se95/85224002673.pdfIn PDF document text
  • https://orldoc.ch/wp-content/plugins/super-forms/uploads/php/files/jnorg1i3erssobbjr8gfobfbf0/58235122321.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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