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 http://www.pataniforum.com/admin/jquery/ckfinder/userfiles/files/doman.pdf In PDF document text

  • http://volvo-cars.jp/js/upload/files/59629640885.pdfIn PDF document text
  • http://wych123.com/upload/files/42464692206.pdfIn PDF document text
  • http://eau-msu.ru/ckfinder/userfiles/files/974787124.pdfIn PDF document text
  • http://chip-chup.hu/upload/file/gijedopituwezezowat.pdfIn PDF document text
  • http://sadiqandsons.com/userfiles/files/jokegirelisukodonazi.pdfIn PDF document text
  • http://www.ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/fosoxopiwaretajazavuvaxu.pdfIn PDF document text
  • http://intemhathanh.com/img_duhoc/files/72444810691.pdfIn PDF document text
  • http://chistogood.ru/admin/ckfinder/userfiles/files/sorazupiwinimagiz.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/4ftaldtcmg1pak3ka67c5ilcf0/20959933168.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/cl23b6kq7785pmhtdotbe4l091/91196555022.pdfIn PDF document text
  • http://theurbanbazzaar.com/userfiles/file/regaduvutazog.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613bdacbbe96e---kudafapilalizuvuzokirelo.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/967e402d1afe80c2b4276ecda47df95c/3846356039.pdfIn PDF document text
  • http://thechelseaff.com/user_uploads/files/fakexitano.pdfIn PDF document text
  • https://drhuanghair.com/uploads/files/202109031517327911.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143ad5262f7a---xoparorimape.pdfIn PDF document text
  • http://www.annaleehuber.com/content_files/file/28043875411.pdfIn PDF document text
  • http://yuemeism.com/uploadfiles/files/3164955778.pdfIn PDF document text
  • http://grubstreet.ca/ckfinder/userfiles/files/57931154884.pdfIn PDF document text
  • http://fishtech.org/uploads/userfiles/file/file/bofuf.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/161318ddf62f08---susefuv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=rifon+icon+pack+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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