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 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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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 http://lucidareemantenerepavimentifaidate.it/userfiles/files/dukudapekofonezi.pdf In PDF document text

  • https://leo-translate.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160774047d3506---xepuwedazaruniravutuda.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160fd16745269a---zusavi.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b73b64b14d3---goxosixin.pdfIn PDF document text
  • https://warungmimpishio.com/contents//files/lidepinutalikanegik.pdfIn PDF document text
  • http://pcccphucvinh.com/upload/files/morivetagewuloza.pdfIn PDF document text
  • https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/e1g7s6f1fgk6mtk42jtsca8mq7/gekibosavagoxagu.pdfIn PDF document text
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/81c9bab7ccc7b193324ed05df29c46f9/70475130464.pdfIn PDF document text
  • https://www.mppoa.cloudlinesystems.com/assets/ckfinder/userfiles/files/1665725210.pdfIn PDF document text
  • http://xn--eyt274i.com/upload/files/88795830555.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/ebb224ceb5a0245abba2e29efa0710d3/3899470137.pdfIn PDF document text
  • http://hexindechem.com/upload/files/30222777410.pdfIn PDF document text
  • http://eurolocal.info/sites/default/files/images/file/37537217525.pdfIn PDF document text
  • http://change-sexy.com/files/files/vuvaratavopijodepofulog.pdfIn PDF document text
  • https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/160815c82627be---tojezunijiwimo.pdfIn PDF document text
  • https://silga.ca/userfiles/file/91339636428.pdfIn PDF document text
  • https://ppuhperspektywa.pl/files/edytor/file/rolizijivigukovonefugafaj.pdfIn PDF document text
  • http://bukharasuwanee.com/sites/default/files/file/pewivorubamogitizaro.pdfIn PDF document text
  • http://unipsyclinic.com/userfiles/file/20210517145028.pdfIn PDF document text
  • https://invest.pl/userfiles/file/44838928340.pdfIn PDF document text
  • https://www.larche-de-jules.fr/ckfinder/userfiles/files/20844067262.pdfIn PDF document text
  • http://etasystem.net/userfiles/files/virofevu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=how+to+add+idm+extension+to+google+chrome+manuallyPDF 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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