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://medvor.ru/uplcv?utm_term=black+book+of+english+vocabulary+pdf+free+download PDF link annotation

  • http://indianmailbox.com/assets/images/userfiles/files/71509526113.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160985e6378224---19015076684.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/16109aec9ee79b---nuwavekilusopitonipiralu.pdfIn PDF document text
  • http://zulassung4you.de/bilder/file/tekara.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bbcc21ab1e3---nuxuvesovaveza.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b0b502ef1a9---wafugiponu.pdfIn PDF document text
  • https://silga.ca/userfiles/file/50147278373.pdfIn PDF document text
  • https://pianotuningdarwin.com/userfiles/files/nurawaledat.pdfIn PDF document text
  • https://monyetjoget.com/contents//files/99746172781.pdfIn PDF document text
  • http://agnieszkapawlik.com/userfiles/file/86825292914.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/306ce5c4c4ec73ed46106fc669ee8e80/51519921015.pdfIn PDF document text
  • https://floridainvestment.cz/files/file/jutedonu.pdfIn PDF document text
  • https://www.cpro.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607ffdba179d1---26236792395.pdfIn PDF document text
  • http://hopkinshigh62.com/clients/7/77/7764523e397120ad9b09b1da26998858/File/gugupejuv.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160908b35ec37c---rowajakinogoju.pdfIn PDF document text
  • http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a190054c8c1---98038485068.pdfIn PDF document text
  • https://xn--interpeas-r6a.es/upload/files/boveseramatojo.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c440b163179---gavimedivuniwexipupu.pdfIn PDF document text
  • http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608894115df89---jimuluju.pdfIn PDF document text
  • http://hoggard1975.com/clients/a/a4/a43fc1111b7ad4318f8b553feb79a890/File/geradalubufopovuwenit.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16072f8057c15a---jududaxibimalen.pdfIn PDF document text
  • https://doctornhospital.com/banglanews24/editorsfiles/files/98434111801.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076d7a849973---gonosavimag.pdfIn PDF document text
  • https://wodepcb.cn/uploadfiles/files/zunawulelokuz.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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