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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://sro52.ru/uploads/files/42157152977.pdf In PDF document text

  • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e22b190efe---sutoz.pdfIn PDF document text
  • https://maintogelonline.info/contents/files/katubapuruvit.pdfIn PDF document text
  • https://aarhuskortet.dk/images/file/737303675.pdfIn PDF document text
  • https://agatanorek.com/files/file/44288509373.pdfIn PDF document text
  • http://brandnewgoods.net/userfiles/file/nerosifibuzaxibuwazun.pdfIn PDF document text
  • https://loctra.net/userfiles/file/82556101758.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609a64b783a9a---78382957493.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084afa59edee---fegujufejamonisapalin.pdfIn PDF document text
  • http://xn--b1afklwjc5g.xn--p1ai/ckfinder/userfiles/files/2905536190.pdfIn PDF document text
  • https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/eda29371dc998b597a40b550987c1199/kuranazavuperux.pdfIn PDF document text
  • https://www.gcnaura.in/images/uploads/files/47116342534.pdfIn PDF document text
  • https://heritagecambodiatravel.com/userfiles/file/25319059394.pdfIn PDF document text
  • http://lpkgoodframeupvc.com/userfiles/files/76040938464.pdfIn PDF document text
  • http://thegioidahoacuong.com/uploads/image/files/fuzubigukoliduxelububo.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0d2b0ee03---88514519194.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-5-1/20210501082423798764.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/memikoduzasevelofumokevow.pdfIn PDF document text
  • https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/61dfce481d0c8555e6a7b3fcfd866bf0/6939010783.pdfIn PDF document text
  • https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/b73dffc43988135547c8d92b685ed8a7/36751779671.pdfIn PDF document text
  • https://willmarareachamber.com/ckfinder/userfiles/files/53984218057.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608d075ae3fb6---lupegetugiwaredubisadi.pdfIn PDF document text
  • https://euforbiabulgaria.gbinvest.net/uploads/pages/files/kaxemurubetese.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=excel+vba+save+open+pdf+filePDF link annotation
  • http://forum-auto.ru/data/files/ledaw.pdfIn PDF document text
  • 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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