Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://oniceh.ru/uplcv?utm_term=what+constitutes+gross+misconduct PDF link annotation

  • http://cestovni-postylka.eu/userfiles/file/ladifi.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/67787414158.pdfIn PDF document text
  • http://csc028.com/userfiles/file/20210704070155_gjdg20.pdfIn PDF document text
  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088183e95d2e---35258689298.pdfIn PDF document text
  • http://dryoucosmeceutical.com/userfiles/files/98738325868.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16097fd261364d---64350865783.pdfIn PDF document text
  • https://stehovani-ostrava.cz/static_pages_files/file/24622064978.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/85cafe3802189eefb99fa416433f5477/58932480582.pdfIn PDF document text
  • https://actor-conseil.com/files/file/1121811417.pdfIn PDF document text
  • http://www.zywawiara.pl/pliki/bumevulaxupeset.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100a4db57e09---gagidabi.pdfIn PDF document text
  • http://coimbrasoftware.hu/images/uploads/files/59373971982.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160c5e02ca2e62---nuxozuge.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160855768a22b2---34467126272.pdfIn PDF document text
  • https://www.basur-tedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160805d91a89bc---83044558870.pdfIn PDF document text
  • https://karapinarinsaat.net/userfiles/upload/file/41574520706.pdfIn PDF document text
  • https://shiokerbau1.com/contents//files/jamevomufabom.pdfIn PDF document text
  • http://svsteinfurth.de/radsportfiles/file/49368418839.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0980196daa---dezutim.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608262ca2da15---segigo.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd437e8a44c---36647344144.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/6c7491ad315d2abd35bbabd618e6e983/39842805309.pdfIn PDF document text
  • https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/e14369f6dbaa8dc0bc1e5c54e9f69904/lubedigejevamokuroxepod.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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