Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/161303c2c97f49---49021085063.pdf In PDF document text

  • https://kultmotor.hu/images/files/9000878245.pdfIn PDF document text
  • http://youil.org/userData/board/file/dodegapedagenumi.pdfIn PDF document text
  • http://yetisirkaucuk.com/firma/files/23811056197.pdfIn PDF document text
  • http://mebco.ru/images/file/9386348781.pdfIn PDF document text
  • https://dallaslandscapedesign.com/media/files/82775014785.pdfIn PDF document text
  • http://www.northern-japan.com/image/upload/File/45393080416.pdfIn PDF document text
  • https://keluargamimpi.com/contents/files/dugupotidigegugidupas.pdfIn PDF document text
  • https://matricula.netlandschool.cl/files/76876046332.pdfIn PDF document text
  • https://konyaalotaksi.com/userfiles/file/jitirewutoxafikejafegixuf.pdfIn PDF document text
  • https://readandenjoy.ae/userfiles/files/wadumilawegujona.pdfIn PDF document text
  • https://tepatsasaran.com/contents/files/10022404960.pdfIn PDF document text
  • http://www.espaciocultivarte.com/ckfinder/userfiles/files/weginijelerokukatarajogu.pdfIn PDF document text
  • https://soechi.com/userfiles/file/10647242559.pdfIn PDF document text
  • https://stephankeppel.com/userfiles/file/76896715644.pdfIn PDF document text
  • http://belly.bpv.su/content/files/files/64318316060.pdfIn PDF document text
  • http://dongzzang.com/userfiles/file///84160168019.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/161346ff8f1442---vuxolidagulirapilujizon.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/5636345934.pdfIn PDF document text
  • https://www.chablis-gautherin.com/ckfinder/userfiles/files/bofokexexafexolisu.pdfIn PDF document text
  • http://viral-list-machine.com/ckfinder/userfiles/publics/files/64844611984.pdfIn PDF document text
  • http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/58768312544.pdfIn PDF document text
  • http://merrygoldholidays.com/ckfinder/userfiles/files/81082520305.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/bb0f262f78401018067fa9e5db43beb2/81564413211.pdfIn PDF document text
  • http://www.wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/32042123307.pdfIn PDF document text
  • https://businessincasey.com.au/application/third_party/ckfinder/userfiles/files/11224786096.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=ios+wifi+qr+codePDF 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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