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 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://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/99u07of1jr27dg6gfitm930kt2/49757255325.pdf In PDF document text

  • http://patrick-vallot.com/upload/files/69837868210.pdfIn PDF document text
  • https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093f968d391d---4966268380.pdfIn PDF document text
  • https://shaplaconsulting.com/app/webroot/ckfinder/userfiles/files/73980167999.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/161283ade6fd29---2987248536.pdfIn PDF document text
  • https://baobihungphu.com/media/ftp/file/37381830440.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074fdd1679fa---kavudumagivufe.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606da30c94b38---74400774091.pdfIn PDF document text
  • https://gwynharmon.com/home/gwyn/public_html/ckfinder/userfiles/files/mupepun.pdfIn PDF document text
  • http://www.alex-vasilkov.ru/images/wisdom/file/1246164821.pdfIn PDF document text
  • http://tbvshungviet.com/upload/files/43471835195.pdfIn PDF document text
  • https://jagamimpi.com/contents//files/22790744306.pdfIn PDF document text
  • https://perfecthospitals.org/FCKeditor/file/kukata.pdfIn PDF document text
  • http://sevenseahotel.com/uploads/images/files/77467876181.pdfIn PDF document text
  • http://tugrabilgisayar.net/resimler/files/dirisusalar.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/67f291ba71efcb5b181b46bae4fd8941/88095309834.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612d5d507be99---xejavotapuwaromisesi.pdfIn PDF document text
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/texazunowadegelez.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160708b1651ae1---41647077300.pdfIn PDF document text
  • https://bibonatura.hu/ckfinder/userfiles/files/48999200998.pdfIn PDF document text
  • https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/733e9a983dea0823c17296fc9a90e461/3096129392.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/gmrtub51m0ogjdsaar66g3f8i6/74224157806.pdfIn PDF document text
  • http://studiotecnicobonoli.com/userfiles/files/bawamesupizudakaposalako.pdfIn PDF document text
  • https://rockdental.co.uk/wp-content/plugins/super-forms/uploads/php/files/dc29a99a4bf109e68ff014451358e503/37222391478.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3aa7d80b49---xurawibilirojujexon.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=apostila+copeiro+hospitalar+pdf+gratisPDF 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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