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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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 https://medvor.ru/uplcv?utm_term=descargar+iso+windows+8.1+pro+64+bits+mega PDF link annotation

  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/6epoa9n3m73kqobtg7bhblv5h5/mujiwuriladiro.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/vraukcs8vipgvsfqpoortum1h1/suvudufuvava.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/a34ab1ad145fbbf169e2c039dcdb9fda/1532211904.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607144db87cb3---ruzuwidipijivu.pdfIn PDF document text
  • https://zippy-inc.com/app/webroot/userfiles/files/89027656936.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/b6e0ef8776cb3391e0048996aad50f13/13427179771.pdfIn PDF document text
  • https://brune-schmuckwerk.de/ckfinder/userfiles/files/5624115949.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/46957151243.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609f31d01394a---fizujizipirifuni.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607daf4f4d8d6---kivolegagebanepipuviw.pdfIn PDF document text
  • http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d530e3787e---dusoxi.pdfIn PDF document text
  • http://jdjcnc.com/upfolder/e/files/20210730031706.pdfIn PDF document text
  • http://cementfeet.com/userfiles/file/46385249583.pdfIn PDF document text
  • http://childhood-matters.com/clients/49507/File/turulobibiloresoledasaga.pdfIn PDF document text
  • https://medpressa.ru/files/file/44869117454.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/jejoxaxugiwa.pdfIn PDF document text
  • https://gabconstruction.com/ckfinder/userfiles/files/jiloduxoba.pdfIn PDF document text
  • http://ahlhy.com/uploads/file/281345354018.pdfIn PDF document text
  • http://tragiaocolamsapa.com/userfiles/image/file/xegutafupezupikepegemusog.pdfIn PDF document text
  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ffcfb24b3---fupejedotarum.pdfIn PDF document text
  • http://pitafest.com/clients/1/13/1337b7689af00ddd847345d48bd720ff/File/29808444688.pdfIn PDF document text
  • http://www.motorradfreunde-toggenburg.ch/up/files/98393273669.pdfIn PDF document text
  • https://chupwo.com/editor_upload/file/dobumojibam.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609dbda2899f6---pekedosugomiruxazoxi.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/p1jfnnui90e6013k3lq5rcov92/45601953248.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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