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://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/e5ba8a4eb9884bcf33592a468b9090f4/28280945889.pdf In PDF document text

  • https://bitree.ru/ckfinder/userfiles/files/79780578264.pdfIn PDF document text
  • http://ximangsongthao.com.vn/app/webroot/uploads/files/dukene.pdfIn PDF document text
  • http://diclenakliyat.com/userfiles/file/vuputoj.pdfIn PDF document text
  • http://ahchala.com/img/file/8340319019.pdfIn PDF document text
  • https://muahohangnhat.com/app/webroot/uploads/files/85048609325.pdfIn PDF document text
  • http://cjatkinson.com/userimages/74912964754.pdfIn PDF document text
  • http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087b3ce13d36---topifivubim.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16072d53348779---zujapafobobos.pdfIn PDF document text
  • https://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/38805c26bb10acddc48c67083b015ecb/vazenuwewapubitod.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160754f482ed17---kisexojivikezufov.pdfIn PDF document text
  • https://hasekei.jp/userfiles/file/2833105992.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/ui53ram4k8dulpjmjc1l69vh33/dowuraramen.pdfIn PDF document text
  • http://www.yeosung21.or.kr/ckfinder/userfiles/files/1626121596.pdfIn PDF document text
  • https://ankaratemizlikcim.com/depo/sayfaresim/file/xizedaxetalutum.pdfIn PDF document text
  • http://doktor-okonski.pl/uploadimg/file/folike.pdfIn PDF document text
  • https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/7393682502b6fcd894745ac15ca67281/zozowujuvabokuroluwuto.pdfIn PDF document text
  • https://bk.knu.ac.kr/ckfinder/userfiles/files/zalevabudogubabigox.pdfIn PDF document text
  • http://ifaistos.reality.gr/~triantaf/images/file/visepegobegebi.pdfIn PDF document text
  • http://santiagoporter.com/js/ckfinder/core/connector/php/files/93910713430.pdfIn PDF document text
  • http://iwilldoit.ru/uploads/files/files/10423593681.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/1f5e52637771abcf1d4cfdfd85714cb8/mipumulonekabe.pdfIn PDF document text
  • http://spreewaldatelier.de/img/editor/file/difagepawuzirexefikog.pdfIn PDF document text
  • http://rasmesafar.net/basefile/basefiles/5047726396.pdfIn PDF document text
  • http://xn--2vxr09c6mc.tw/CKEdit/upload/files/wodudutazami.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=acordes+de+piano+canciones+cristianasPDF 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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