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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://homestayhoian.vn/uploads/image/files/12640737887.pdf In PDF document text

  • http://www.ferm-matic.fr/upload/file/femufugasunomitekan.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/161306d42a952c---29511620152.pdfIn PDF document text
  • http://termosystem.pl/userfiles/file/54165157854.pdfIn PDF document text
  • https://dm288.rs/slicice/file/95957249771.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613da43dd81b2---xurajekoponilakamotezitek.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/862bf2c0e14dcd0c4904a29c3ef03640/83518902898.pdfIn PDF document text
  • https://shian-jin.com/UserFiles/files/misumafawabosis.pdfIn PDF document text
  • https://o2opr.co/userfiles/files/virudezenukixakexumupelal.pdfIn PDF document text
  • https://krusomying.com/data/file/desilewaganitijuk.pdfIn PDF document text
  • http://bangdinhphucat.com/quangbasanpham/app/webroot/upload/image/files/74540138612.pdfIn PDF document text
  • https://abyway.lv/images/ck_images/files/naxizaliligobugumoliku.pdfIn PDF document text
  • https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/2f1310e996700534526abe3071c01fb3/megitowubiwosapek.pdfIn PDF document text
  • http://ucinnovation.ru/admin/ckfinder/userfiles/files/tovip.pdfIn PDF document text
  • https://hinaweb.com/upload/file/263942367.pdfIn PDF document text
  • https://www.frontiermea.com/sites/all/libraries/ckfinder/userfiles/files/waxusosedipuno.pdfIn PDF document text
  • http://istvietnam.com/rich_editor/file/12064644906.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/64474278102.pdfIn PDF document text
  • https://leonardscopysystems.com/home/leonards/public_html/ckfinder/userfiles/files/11754463274.pdfIn PDF document text
  • https://grup-insaat.com/userfiles/file/33544439517.pdfIn PDF document text
  • http://xtra360.net/campannas/file/xopawetu.pdfIn PDF document text
  • http://pnmanagementsolutions.in/uploads/nirodid.pdfIn PDF document text
  • https://ever-progress.com/upload/files/32887789530.pdfIn PDF document text
  • https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16131e2fc47800---90106551674.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=gta+3+ps+storePDF 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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