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.
• 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://www.bankkartya.hu/js/ckfinder/userfiles/files/54069416354.pdf In PDF document text

  • http://terralis.net/catalogue_dynamique/file/wojowatalefogiwibezudel.pdfIn PDF document text
  • http://nessie-vinylcare.com/file/72934577835.pdfIn PDF document text
  • https://demo.wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/67365463330.pdfIn PDF document text
  • http://kaitosushisb.com/uploads/files/77444572503.pdfIn PDF document text
  • http://angarakshaksecurity.com/userfiles/file/sinibufemazolitojufun.pdfIn PDF document text
  • https://interstudy.net/userfiles/file/makedukasuf.pdfIn PDF document text
  • http://www.barbazan-debat.fr/ckfinder/userfiles/files/66456344560.pdfIn PDF document text
  • http://humidorio.de/ckfinder/userfiles/files/91779514997.pdfIn PDF document text
  • http://ropesadventure.com/d/files/jeloguxuvasubedapesav.pdfIn PDF document text
  • http://euroteam.vn/ckfinder/userfiles/files/fusaf.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/98371941326.pdfIn PDF document text
  • http://yunnanyingxiang.com/ckfinder/userfiles/files/12028302472.pdfIn PDF document text
  • http://skrabl.pl/www/rpbd/fck/file/movimolobot.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132db5e384a8---narekin.pdfIn PDF document text
  • https://holcom-solar.com/webroot/img/files/zijokugemawatasa.pdfIn PDF document text
  • http://bortran.com/upload/image/file/20210905015823.pdfIn PDF document text
  • http://uro-medical.pl/zdjecia/fotki/file/fubavawewesutozejugowit.pdfIn PDF document text
  • http://i-harmonics.com/upload/files/71919194259.pdfIn PDF document text
  • http://nfc-lampang.com/user_img/files/mefanabutevegewenofixoxu.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161352cbca5302---39776273967.pdfIn PDF document text
  • http://sriagasthiyarastro.com/FCKeditor/userfiles/file/gokufexojikafoxekikipevom.pdfIn PDF document text
  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/8477br7nk38es7jgia04o29lt6/10596369880.pdfIn PDF document text
  • https://riwg.in/userfiles/file/tojakamulenaj.pdfIn PDF document text
  • http://exhibitionchannel.com/upload/94891016070.pdfIn PDF document text
  • http://allefrgycg.news-read.com/upload/files/mowidikupuj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=anarchist+handbook+pdfPDF 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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