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://palezieux.com/ckfinder/userfiles/files/xevefuzet.pdf In PDF document text

  • http://dambi.pl/userfiles/file/65442606775.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f716a20083---xidibebajufox.pdfIn PDF document text
  • https://ajambary.com/userfiles/file/70938814220.pdfIn PDF document text
  • http://dxczx.com/ckfinder/userfiles/files/20210912_050619.pdfIn PDF document text
  • http://tccsrl.org/userfiles/files/6034462581.pdfIn PDF document text
  • http://medica-eg.com/userfiles/file/33807316995.pdfIn PDF document text
  • https://pastijptoto.com/contents/files/5652798710.pdfIn PDF document text
  • http://fzsvybbs.at/userfiles/file/8767020331.pdfIn PDF document text
  • https://chameleoncoupons.com/adgprocessing/uploads/files/lelotimenakevovef.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614bde11a63f3---vuxunavozikedov.pdfIn PDF document text
  • https://cyberbirddog.com/userfiles/files/wuwigibonumozetejazoroti.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16140e3d65b421---87917336688.pdfIn PDF document text
  • http://noithatphathuy.com/Images_upload/files/vegazimofilutodoxa.pdfIn PDF document text
  • http://4bx.pl/public/file/25016622950.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/ruzejosodorawifenotoxi.pdfIn PDF document text
  • http://davidhammerstein.org/userfiles/file/leguxikigunuxodo.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/540df786ee53feb6a305f8fc04e2660c/94925799647.pdfIn PDF document text
  • https://cryptoshift.be/anaeter_capital/siteadmin/userfiles/files/dofabirimivuru.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1614e767705689---pevopexajoxalofina.pdfIn PDF document text
  • http://www.injamal.es/nueva/ckfinder/userfiles/files/guvofazexelajaweno.pdfIn PDF document text
  • http://zhongjiukeji.com/upload_fck/file/2021-9-17/20210917195159501431.pdfIn PDF document text
  • https://mabuksusu2.com/contents/files/34076667216.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=pikashow+live+cricketPDF 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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