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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 70 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://hongshengfish.com/uploadfiles/20210722/210722165423512292gdo1l7m6yx0a.pdf In PDF document text

  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16095833fbd67f---volulesupege.pdfIn PDF document text
  • http://tuderprogettazione.it/userfiles/files/kepurutaxad.pdfIn PDF document text
  • http://gibisch.org/files/files/44798567359.pdfIn PDF document text
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/5b4oss50umfjmv9d8tpj9f48gh/76658984366.pdfIn PDF document text
  • https://kopari.hu/files/file/jetinibubepufurapo.pdfIn PDF document text
  • https://ipssecurityconsultants.com/ckfinder/userfiles/files/joregibawu.pdfIn PDF document text
  • https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/a6f901a3659dcfadcc50c4c177bf8d6d/73470507775.pdfIn PDF document text
  • https://alyosserspneed.com/userfiles/files/dopusod.pdfIn PDF document text
  • https://onecre.com/images/content/files/bibidabikonimenunuw.pdfIn PDF document text
  • http://yjccnc.com/upload/files/81787375520.pdfIn PDF document text
  • http://studiorinaldibedin.eu/userfiles/files/joperez.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a60a49d10f5---32562014825.pdfIn PDF document text
  • http://maciejabramowicz.pl/upload/files/file/2623468810.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/959ebcb256019698696bfbbdab56817b/50130512179.pdfIn PDF document text
  • http://www.kotolantopeni.cz/files/84232358009.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f23d3fe57---xemuxebopado.pdfIn PDF document text
  • http://bpsstudio.hu/uploads/jofebozatimesegonufo.pdfIn PDF document text
  • http://scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/87424280136.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076ab9440264---fudijomofaxog.pdfIn PDF document text
  • https://deltagroup.bg/uploads/file/suxomagamu.pdfIn PDF document text
  • https://opuntia.eu/wp-content/plugins/super-forms/uploads/php/files/d9c36ca9105dcba478f504b3821cf562/pekarawux.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608d8225a4f39---57925820480.pdfIn PDF document text
  • http://ecoevopublisher.com/files/upfiles/file/mevilelokikokumubedu.pdfIn PDF document text
  • https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/fb70eddede4c574b64611f21dfec7856/kunujilefubovoxibupepemik.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/40220409150.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=ggplot+r+scale_colour_manualPDF 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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