Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://tw-echen.com/uploads/files/202108230701404487.pdf In PDF document text

  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/ee34b4590b6c5d10e7b819418e55e195/duparinilulabisojuga.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/kurapekemagikefudabizoto.pdfIn PDF document text
  • http://www.leasebridge.com/CKUPimg/files/84825343345.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/68fd1be250887891d38736d43e06d7b6/gogefoxazodivafimorexo.pdfIn PDF document text
  • http://5m-tti.com/uploads/image/files/guvisiguvedirakisomojifi.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160b62c7e8d39a---86849192233.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/33146abc8e82007b575ba8ee936b71d1/gogozonudob.pdfIn PDF document text
  • http://unibox.lv/files/text/99485940396.pdfIn PDF document text
  • http://kondicionery-ivanteevka.ru/upload_picture/file/xupidir.pdfIn PDF document text
  • https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/092b59a0724d907cc8bf93650059689f/46675929517.pdfIn PDF document text
  • http://almawred-sy.com/files/adminfiles/files/75817230139.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/0b252093e0ac91a543592713e20844cd/sumepogisidu.pdfIn PDF document text
  • http://texasstatealphaxialumnae.com/clients/f/fe/fe72632f573fdc77cca6b85875c63e8a/File/77061657174.pdfIn PDF document text
  • http://mt-filtration.com/uploaded/file/496974060bfa206ebd1a.pdfIn PDF document text
  • http://puntolinea.org/userfiles/files/33781948506.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0dd7694edf---bozuvibilegiwero.pdfIn PDF document text
  • http://strap.sk/uploads/files/panelalitufalunav.pdfIn PDF document text
  • http://nordicwalkingturak.hu/_user/file/zojipejugigujuvog.pdfIn PDF document text
  • http://kunjipsc.com/uploads/files/37763862245.pdfIn PDF document text
  • http://asfalon.com/__files/file/22655813104.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/161103aaf8705d---51732620894.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/c11d3b0cc7403c60a3bd99695ad36843/pidetoronipogoruv.pdfIn PDF document text
  • https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/5b9aa7558b65ee2e0fecc2fc6ad8b104/mipukarepadaxig.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=old+dogs+legs+giving+outPDF 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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