Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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.
• 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://krisoc.ru/uplcv?utm_term=free+online+youtube+video+downloader+for+android PDF link annotation

  • http://dlzhrjd.com/images/uploadfile/files/bisojisajiditolu.pdfIn PDF document text
  • http://koryosushi.com/uploads/files/73160046639.pdfIn PDF document text
  • http://vietsinphar.com/uploads/files/betefuzet.pdfIn PDF document text
  • http://ensky-chemical.com/upload/files/61782378105.pdfIn PDF document text
  • http://mizuho-co.net/file/ck/files/lidisunobo.pdfIn PDF document text
  • https://magazinul-de-instalatii-sanitare.ro/app/webroot/files/userfiles/files/xubisunisete.pdfIn PDF document text
  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/376b26dd38e25c6cb30fe3e88bc57e1a/42091072612.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1614300d4ee528---juvawuvixavoxerexiju.pdfIn PDF document text
  • http://leinerpakgelatine.com/survey/userfiles/files/504924297.pdfIn PDF document text
  • http://mylodge-naoshima.com/images/blog/file/34380601059.pdfIn PDF document text
  • https://aquarell.ro/userfiles/file/xomulimexezupujisupapimi.pdfIn PDF document text
  • http://artikos.pl/userfiles/file/46514389067.pdfIn PDF document text
  • https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/6ba487ef653f2016b5c72f1401341159/63884961106.pdfIn PDF document text
  • https://leresto-niort.fr/images/userfiles/files/55201978692.pdfIn PDF document text
  • https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/83e9bcd9aff2d861f828272c46d47fef/guwapimufumosudetifupuli.pdfIn PDF document text
  • https://sanvexe.vn/webroot/img/files/nevakuwoxifi.pdfIn PDF document text
  • https://griby.biz/ckfinder/userfiles/files/piwavivivefapamo.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/2e9a0ddb1fdeb8b654c61aa186f70681/45967090300.pdfIn PDF document text
  • https://98ing.com/upload/ck/files/20210909_052139.pdfIn PDF document text
  • http://mnwebdesign.dk/userfiles/file/lefujafazakisiduf.pdfIn PDF document text
  • https://cribpointonline.org/cribpointonline/userimages/file/simego.pdfIn PDF document text
  • https://0900107678.com/upload/file/7749231762.pdfIn PDF document text
  • http://mackyz7automotive.com/js/upload/files/8626819666.pdfIn PDF document text
  • http://bubb.cn/up_file/file/23231755858.pdfIn PDF document text
  • http://pro.ovh.net/~tribuene/images/banque/file/27358616701.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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