Malicious PDF — malware analysis report

Heuristics 7

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 https://artistprasanna.com/userfiles/file/64769256018.pdf In PDF document text

  • http://www.masozilina.sk/ckfinder/userfiles/files/zupebikoselegapidor.pdfIn PDF document text
  • https://akproauto.com/nbloom/fckuploads/file/janegifusifowugorap.pdfIn PDF document text
  • http://conomiya.com/images/uploadedimages/file/68344367372.pdfIn PDF document text
  • https://jkmart.net/FCKFiles/File/78174592954.pdfIn PDF document text
  • http://carraracucinecomponibilitrapani.it/userfiles/files/tesizizel.pdfIn PDF document text
  • http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bokavitaniz.pdfIn PDF document text
  • http://travelport.pl/userfiles/file/29990242652.pdfIn PDF document text
  • http://bjhtdszdh.com/v15/Upload/file/2021914138562615.pdfIn PDF document text
  • https://starfoil-mail.nl/uploads/wysiwyg/wibenepilub.pdfIn PDF document text
  • http://zimmerei-possert.at/popomabukuvukosixori.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/bnjbaduvi6o3h7bpc5d9pvq3m8/87820825209.pdfIn PDF document text
  • https://absoluteanytime.com/media_file/files/files/43517889027.pdfIn PDF document text
  • https://ganganagardentist.com/userfiles/file/60013868459.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/rowepafodaraxutogetu.pdfIn PDF document text
  • http://gosapahostel.com/userfiles/file/83322971938.pdfIn PDF document text
  • http://www.morrisjones.co.uk/EditorImages/file/37751429469.pdfIn PDF document text
  • https://ht-cooling-j3t.com/contents/files/sarumoninudafobefav.pdfIn PDF document text
  • http://paulabenveniste.com/UserFiles/file/84355380102.pdfIn PDF document text
  • https://zniczekowalczyk.com/user_images/file/33024988854.pdfIn PDF document text
  • https://shastriratanchatterjee.com/ckfinder/userfiles/files/52617369547.pdfIn PDF document text
  • http://pinedafoundation.org/imageuploads/file/29933057141.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16133453931e98---jekenodiwe.pdfIn PDF document text
  • http://cjmfgxfollow.morefriendship.com/upload/files/61588089691.pdfIn PDF document text
  • http://www.offshoreyachts.net/web_upload/editor/files/fexomapowaweniniduvi.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614fc94576556---83860976492.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+play+free+fire+on+mobile+with+keyboard+and+mousePDF 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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