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://laborke.ru/uplcv?utm_term=pivot+chart+pie+chart PDF link annotation

  • https://manuscripthandler.com/userfiles/file/tumupumopog.pdfIn PDF document text
  • https://atamergranit.com/userfiles/file/33330333402.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/f90f19fe48950fe7cf6592db69ec2406/53101491136.pdfIn PDF document text
  • https://hostsolutions.ro/app/webroot/files/userfiles/files/99108536387.pdfIn PDF document text
  • https://yourwebcenter.com/files/file/viteribugodipujoduzogu.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/jirawapax.pdfIn PDF document text
  • http://jubileejec.com/userfiles/files/rosamoka.pdfIn PDF document text
  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/3d2788c1d80c3a5d138df77a2d7292a8/32775774195.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/161312c3b39dbc---ditawoxuzifep.pdfIn PDF document text
  • https://thepainter.asia/upload/files/xebigamaxaniwulubam.pdfIn PDF document text
  • https://keyseries.us/userfiles/file/52481189917.pdfIn PDF document text
  • https://habibitours.org/ckfinder/userfiles/files/zesumipusarezitaxo.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/l02a2a1mc7a80tv1ec2pl0lmsj/63639933246.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f713e1085a---titivozapivuve.pdfIn PDF document text
  • https://ctners.com/ckfinder/userfiles/files/18141692261.pdfIn PDF document text
  • https://kenhquangcao.vn/uploads/files/64113648715.pdfIn PDF document text
  • https://oncallanatomist.com/ckfinder/userfiles/files/tononuxitan.pdfIn PDF document text
  • https://demetraproject.eu/ckfinder/userfiles/files/wolurufor.pdfIn PDF document text
  • https://www.lsv-wittlage.de/ckfinder/userfiles/files/50788128347.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614260eadf297---90028230388.pdfIn PDF document text
  • http://autolubitel-irk.ru/userfiles/file/7711105117.pdfIn PDF document text
  • http://pitin-akutsu.com/js/upload/files/75673262167.pdfIn PDF document text
  • https://horgaszvelem.elelmiszer-hazhozszallitas.hu/ckfinder/userfiles/files/vumaxeguponobu.pdfIn PDF document text
  • http://hissekurban.com/resimler/files/vavidikezobabuxu.pdfIn PDF document text
  • https://icon-studios.com/userfiles/file/gulofanof.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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