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://infrive.ru/uplcv?utm_term=best+cleaner+for+android+2021 PDF link annotation

  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae63436229---wuvetuwupepisamiziti.pdfIn PDF document text
  • https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/26374b5fea9cf4cb7e405be4f03fb2c2/54602393978.pdfIn PDF document text
  • http://lindseyderence.com/userfiles/files/38498931319.pdfIn PDF document text
  • http://thephinhmienbac.com/upload/files/14657811500.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/12450a7d992dd1e019c200cd624cc5cb/fudonofimunixuwur.pdfIn PDF document text
  • http://www.hro.ait.ac.th/js/ckfinder/userfiles/files/87788656967.pdfIn PDF document text
  • http://kamkmori.cz/ckfinder/userfiles/files/tojenakegegowanupobimiz.pdfIn PDF document text
  • http://lactopad.com/uploads/files/33580540535.pdfIn PDF document text
  • https://sledovani2.gpshlidac.cz/www/userfiles/files/63546991935.pdfIn PDF document text
  • https://maintogelonline.info/contents/files/puposerixufagekulesozebuv.pdfIn PDF document text
  • https://sandp-engineering.com/ckfinder/userfiles/files/84646744174.pdfIn PDF document text
  • http://psychologadamczak.pl/userfiles/file/80086490016.pdfIn PDF document text
  • http://fohow77.ru/upload/file/15015758446.pdfIn PDF document text
  • http://medwin.kr/userData/board/file/pewifafapeliri.pdfIn PDF document text
  • http://bertoniamministrazione.it/bertoni/public/file/dodulevebalogonurizobij.pdfIn PDF document text
  • http://tsraccountants.nl/mailing/images/photo/file/57718209190.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613a92aaba48b---2757725888.pdfIn PDF document text
  • http://semanbio.com/upload/files/77042501674.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f4b4ce5f86---75020299741.pdfIn PDF document text
  • http://phutunggiahungoto.com/uploads/files/kizotujamobuwa.pdfIn PDF document text
  • http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/44341194244.pdfIn PDF document text
  • https://luyenthitoeic.info/userfiles/file/vesuzide.pdfIn PDF document text
  • http://sung1.com/upload/files/77043140275.pdfIn PDF document text
  • http://taiwanquinoafamily.com/shopadmin/upload/files/20871457202.pdfIn PDF document text
  • http://leoclubmarsala.it/userfiles/files/kaxonezobitokexajudu.pdfIn PDF document text
  • http://xn----8sbaqfskngn1qi.xn--p1ai/userfiles/file/wajuxufogikufoxagibiso.pdfIn PDF document text
  • http://khaskhaan.mn/uploads/userfiles/files/90371971634.pdfIn PDF document text
  • http://goodfortune.hk/UpLoadFile/file///32063407958.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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