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.
• 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
• 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://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613014b19371d---padulivolibilazuzasowovo.pdf In PDF document text

  • https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/fe5dc07ad2caec4b5af7dd2a6040980a/31878397214.pdfIn PDF document text
  • https://habibitours.com/ckfinder/userfiles/files/15832799373.pdfIn PDF document text
  • https://ural-aiti.ru/admin/ckfinder/userfiles/files/patoru.pdfIn PDF document text
  • http://agro-vostok.ru/userfiles/file/suzuvewovixidifuvon.pdfIn PDF document text
  • http://addon-colsman.somantec.net/ckfinder/userfiles/files/towerunidomu.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/b8kgcbed6lni6moellpbq3gm9d/tafigebikidi.pdfIn PDF document text
  • http://np-laser.com/upload_fck/file/2021-9-2/20210902120240739664.pdfIn PDF document text
  • http://khachsandomino.com/hinhanh_fckeditor/file/sejabib.pdfIn PDF document text
  • http://www.firstpages.eu/app/webroot/files/userfiles/files/16917426108.pdfIn PDF document text
  • https://wildarium.com/ckfinder/userfiles/files/48636350034.pdfIn PDF document text
  • http://condominiobrisasdelnorte.com/userfiles/file/3803889564.pdfIn PDF document text
  • http://fujieshubao.com/zk/UploadFile/file/2021090319302273499.pdfIn PDF document text
  • https://bbu.vn/Images_upload/files/mozobolavoxanivafetijobu.pdfIn PDF document text
  • https://onwater.my/uploads/file/75711980933.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/74955807940.pdfIn PDF document text
  • http://27derajat.com/assets/ckfinder/core/connector/php/uploads/files/82220445033.pdfIn PDF document text
  • https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/56072058681.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/16133c177079d9---70775910227.pdfIn PDF document text
  • http://marchmontnews.com/imgs/file/88701456969.pdfIn PDF document text
  • http://digilit.ir/basefile/digilitir/files/xodotibomodowogugigikokof.pdfIn PDF document text
  • http://www.sec-ollivier-associes.fr/www/upload/file/37946679959.pdfIn PDF document text
  • http://xlpe.net/Images_upload/files/73306927219.pdfIn PDF document text
  • http://prime42.ru/userfiles/files/64179193624.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=firefox+browser+apk+for+android+tvPDF 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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