Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://phdpecs.hu/userfiles/files/29690519424.pdf In PDF document text

  • http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/1613100cb2e68f---88693031673.pdfIn PDF document text
  • http://www.tokyomagic.jp/images/library/File/58214937760.pdfIn PDF document text
  • https://ijmscr.com/ckfinder/userfiles/files/xizonagixugumevazazedavev.pdfIn PDF document text
  • http://eg-connect.com/uploads/editorfiles/file///22185631618.pdfIn PDF document text
  • https://careersourceokaloosawalton.com/files/public/61469380951.pdfIn PDF document text
  • http://sicilalluminio.it/userfiles/files/23605848720.pdfIn PDF document text
  • http://www.tamtrebinhminh.com/public/files/tafulivobexi.pdfIn PDF document text
  • http://angelascanu.it/uploads/file/19481166570.pdfIn PDF document text
  • https://xn--fct5g39pjpo.tw/upload/leakstop/files/toxelavezivozanilavur.pdfIn PDF document text
  • https://xn--bankkrtya-41a.hu/js/ckfinder/userfiles/files/20815488964.pdfIn PDF document text
  • https://fruitssupplier.com/app/webroot/img/files/kewejonadekopagutanemov.pdfIn PDF document text
  • http://sh-ruiyangcpa.com/userfiles/file/2021-9///2021951833238361.pdfIn PDF document text
  • http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/21485137988.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612feba3c317d---xalunavenololaw.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/161304a1ca6001---levolojan.pdfIn PDF document text
  • http://huthamcauquanggiap.com/upload/files/96058936917.pdfIn PDF document text
  • https://e-room.co/userfiles/file/76769311889.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/8478849317.pdfIn PDF document text
  • https://fizjolech.pl/userfiles/file/28014480718.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/13a0bf657ed5be0e65c5f4150c9dce41/zadis.pdfIn PDF document text
  • https://tapuionoticias.com/ckfinder/files/gufenogozagawowaj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=video+downloader+app+download+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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