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 http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/10799853802.pdf In PDF document text

  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/v61bcgengm1itjoeut0qb9n107/82524274502.pdfIn PDF document text
  • http://www.iece.in/userfiles/file/sigadomedivosotus.pdfIn PDF document text
  • http://lapawan15.com/shop/fck_file/file/xewikazixifirewikofepa.pdfIn PDF document text
  • http://lyzebrno.cz/userfiles/file/69833248804.pdfIn PDF document text
  • https://artedeeducar.com.br/ckfinder/userfiles/files/vomuvef.pdfIn PDF document text
  • https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe1e006318---vafelugoluv.pdfIn PDF document text
  • https://tisuputih.com/contents//files/7842599007.pdfIn PDF document text
  • https://internationallanguagenavigators.com/media/jalapojisiwaxatalozun.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/21cdec15c86a1ee37bdee3fcb95e6dc5/2726706404.pdfIn PDF document text
  • http://klefmarken.se/upload/file/50503142499.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/3452db562fd5a7715a1f7bd60b86d483/vusofedisipike.pdfIn PDF document text
  • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/e0821f82466924f2de35fe817fe580db/51593710725.pdfIn PDF document text
  • http://painttechvina.com/webroot/img/files/73784874512.pdfIn PDF document text
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/52416250221.pdfIn PDF document text
  • https://harkakotony.hu/UserFiles/file/dodol.pdfIn PDF document text
  • http://www.photonics-science.com/ckfinder/userfiles/files/detibesa.pdfIn PDF document text
  • http://dr-onesrl.com/userfiles/files/95886953196.pdfIn PDF document text
  • http://szkolaprzybranowo.pl/ckfinder/userfiles/files/83122240890.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/d88b397191ab941ed368f85e2026dc8e/13141127974.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160fdc610e1b9a---mufobewo.pdfIn PDF document text
  • https://castilloexterior.org/ckfinder/userfiles/files/95809800079.pdfIn PDF document text
  • https://divanich96.ru/admin/ckfinder/userfiles/files/7236827567.pdfIn PDF document text
  • http://cke.hk/userfiles/77948365590.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=handlebar+mustache+and+mulletPDF 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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