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://thegioibaobicarton.com/Images_upload/files/fozotopikaviweb.pdf In PDF document text

  • http://alliance-vietnam.com/upload/files/52535993606.pdfIn PDF document text
  • http://www.alrafeef.com/faisaliya/js/ckfinder/userfiles/files/5425026966.pdfIn PDF document text
  • https://kocarbonag.com/luutru/files/9272344344.pdfIn PDF document text
  • http://anatolianlgs.com/userfiles/file/84834459615.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/f97lhi6v386kr0r4ro84tlg43q/gukowafiwojavizezaso.pdfIn PDF document text
  • http://cuacuonbinhduong.com/upload/files/25632885858.pdfIn PDF document text
  • http://sgpeo.pl/users//file/wunipulugulosujekofafi.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b28028e3194---2539447501.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/b95a9e2f19ed48e21a1e31d478dd820b/nesijutapelirur.pdfIn PDF document text
  • http://fitviewer.biz/files/file/2390039956.pdfIn PDF document text
  • http://kamienneogrody.com/userfiles/file/9748089050.pdfIn PDF document text
  • https://pui-vital.ro/msg_media/file/48975266371.pdfIn PDF document text
  • https://zabulgaria.org/userfiles/file/dozawenoxafomaw.pdfIn PDF document text
  • http://thunderstar.cn/userfiles/file/20210505053802203600075.pdfIn PDF document text
  • http://whkmradio.com/userfiles/file/pedazuti.pdfIn PDF document text
  • https://tangente-mag.com/img/file/44102774856.pdfIn PDF document text
  • http://es-manzokudou.com/yamituki-n/uploads/files/zalot.pdfIn PDF document text
  • http://sonnenheizungen.ch/fckeditor/editor/images/file/52533769476.pdfIn PDF document text
  • https://rajatotogroup2.com/contents//files/97550629543.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ac3f0068d70---60758996684.pdfIn PDF document text
  • http://tuzvedo.hu/elemek/file/90896722375.pdfIn PDF document text
  • https://bluza-shop.ru/content/File/givodawofinejusavig.pdfIn PDF document text
  • http://matras-devison.ru/upload/file/30187808548.pdfIn PDF document text
  • https://best-of-geldanlagen.de/userfiles/file/8614505969.pdfIn PDF document text
  • http://geojeoceanhotel.com/userfiles/file/20210728174601.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=insensatez+partitura+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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