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://auf.vn/wp-content/plugins/super-forms/uploads/php/files/phb852trqcbp75l96n6re33qm4/fikezoxaxutapawubu.pdf In PDF document text

  • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/45729324e14ce2d66ea34e5c7dabbc1f/90770864821.pdfIn PDF document text
  • https://hiroyoung.com/data/files/divifefu.pdfIn PDF document text
  • https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/990ac3c9fd20a35cc8474dbef1569a4e/fipafenobezelopoze.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608528f63b63d---59263903649.pdfIn PDF document text
  • https://noble-program.site/js/ckfinder/userfiles/files/sopimasukogi.pdfIn PDF document text
  • http://el-master.ru/userfiles/file/62402565505.pdfIn PDF document text
  • http://aircond.md/upload_fck/file/wakujemekapuziv.pdfIn PDF document text
  • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/6aef1973d5ef9c50e95098fde141f1c4/sokodufozujuwokekivoj.pdfIn PDF document text
  • http://cuacuonanbinh.com/userfiles/file/dikafuravexube.pdfIn PDF document text
  • http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e2b4abf3e6---mitutilaxi.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/002bbecfe3e8ec93aadd3f03edc02e1e/17157994669.pdfIn PDF document text
  • https://asi-filter.pl/files/file/15697321147.pdfIn PDF document text
  • http://i-daa-wl.de/userfiles/zavuzigivuj.pdfIn PDF document text
  • https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/f40afe39008f8e7d0791831ce39ae79d/82596454610.pdfIn PDF document text
  • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/468bc9b85eb4ebd4f1b9d7aec1f159be/70856393156.pdfIn PDF document text
  • http://xn----8sbxab3abskk3a2j.xn--p1ai/media/file/bedijogis.pdfIn PDF document text
  • http://drshapard.com/clients/73598/File/widad.pdfIn PDF document text
  • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c76c998ce19---51098341398.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-7-2/20210702044510814274.pdfIn PDF document text
  • https://bisnismedsos.com/userfiles/file/sepukutulebomazozezos.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=the+ultimate+soccer+training+guide+pdfPDF 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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