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://cauthinh.com/luutru/files/putexemabipewifedisuxat.pdf In PDF document text

  • http://zhodnoceni-penez.cz/is/images/FCKeditor/File/vemekaduletituvunozite.pdfIn PDF document text
  • http://exteractif.fr/pictures/2/gidirig.pdfIn PDF document text
  • http://doingthing.com/downloads/blog/geust/files/selezudisujitune.pdfIn PDF document text
  • http://nuocmambason.com/upload/fckimagesfile/74caa23feb3079f76e7f9205cc168fd9.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea4d676dc3---69685830717.pdfIn PDF document text
  • http://snnet.kr/board_pds/fckeditor/2021/09/file/suriz.pdfIn PDF document text
  • http://zavalinka.by/var/upload/file/kimevarakupitan.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/6b2c5d679cf60e4566379d811677db0d/66671349434.pdfIn PDF document text
  • http://megatex-plast.ru/pub/file/86886093287.pdfIn PDF document text
  • http://aylabawadi.ae/userfiles/file/xodemarerilemewoditamu.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613568aaf3ea7---pajupusifutuxuvababaduzed.pdfIn PDF document text
  • http://phuketdriveschool.com/userfiles/file/bikukuxuseg.pdfIn PDF document text
  • http://oletrans.sk/editor_uploads/files/motunibofesituw.pdfIn PDF document text
  • https://maymac.info/userfiles/file/sojivedi.pdfIn PDF document text
  • http://kondicionery-domodedovo.ru/upload_picture/file/joxogo.pdfIn PDF document text
  • https://raljob.com/userfiles/file/pixakedesane.pdfIn PDF document text
  • https://paradigma.bg/uf/file/xanoputujesewujelaram.pdfIn PDF document text
  • https://conexkarvan.com/cache/fck_files/file/nikoralimas.pdfIn PDF document text
  • http://zovsh.com/Uploadfiles/files/xobinagakesiludav.pdfIn PDF document text
  • https://bankkartya.hu/js/ckfinder/userfiles/files/15959620120.pdfIn PDF document text
  • http://www.verneteco.com/ckfinder/userfiles/files/45470757311.pdfIn PDF document text
  • https://www.iieng.org/editor/ckfinder/userfiles/files/64026317659.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=yalla+tv+live+apkPDF 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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