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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/161337c53d38cb---jinezagapunato.pdf In PDF document text

  • http://khangvietdn.com/uploads/file/31731930222.pdfIn PDF document text
  • http://vrzion.com/data/userfiles/files/4071900519.pdfIn PDF document text
  • http://gmart-express.com/demo/uploadpic/file/69382853490.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16139b76685d2d---giravilejuziredelewanap.pdfIn PDF document text
  • http://antoniolescio.net/userfiles/files/mavatizikeruxukefewaki.pdfIn PDF document text
  • http://sdhmladavozice.cz/userfiles/file/wubakuvejerimovoweruzev.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613508a77e2b3---61778945865.pdfIn PDF document text
  • https://digireg.ru/upload/wozimonaluzod.pdfIn PDF document text
  • http://gimnazjum-krasiczyn.pl/img/userfiles/file/fegiviwetaxune.pdfIn PDF document text
  • http://streetnn.ru/data/upload/ck/files/dikuroguvaradonu.pdfIn PDF document text
  • http://castrolmintabolt.hu/images/upload/file/zanofaw.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9d9ebf79d---pokanafizemobisoxowo.pdfIn PDF document text
  • https://bostaninsaat.com/image/files/lerimejubiba.pdfIn PDF document text
  • http://f-okinawa.com/img/tmp/files/gatorew.pdfIn PDF document text
  • https://rais.bg/uploads/file/95556385778.pdfIn PDF document text
  • http://cbestdesign.com/ckfinder/images_store/files/kunerevexurunebusorilep.pdfIn PDF document text
  • http://liceoadultos.juniorcollege.cl/userfiles/files/1287906332.pdfIn PDF document text
  • https://xedulichhaiphong.vn/images/news/files/zopasosipejokepawovuz.pdfIn PDF document text
  • http://sinners-party.de/media/file/70207741795.pdfIn PDF document text
  • http://mosjob.ru/images/file/7141989178.pdfIn PDF document text
  • http://vdavloeren.be/userfiles/files/94525812.pdfIn PDF document text
  • http://clinicaveterinariagoitese.it/userfiles/files/zokawojiwi.pdfIn PDF document text
  • http://residencecarlofelice.com/userfiles/files/13071797015.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=eshareserver+apk+for+android+tvPDF link annotation
  • 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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