Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076b592dac79---5094368348.pdf In PDF document text

  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c67617549d5---58891948501.pdfIn PDF document text
  • https://dondepodemosir.com/userfiles/file/76411920591.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/daf337aba0e3bc3d5b9c96625ef17d03/54061453454.pdfIn PDF document text
  • https://airflow-skateboards.com/upload/file/tugulak.pdfIn PDF document text
  • http://cathyourhair.nl/js/ckfinder/userfiles/files/90364339906.pdfIn PDF document text
  • http://www.pranabkumar.com/fckimages/file/bexevuxe.pdfIn PDF document text
  • https://wemservice.com/ckfinder/userfiles/files/pizinifawurelovadojal.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba40b01335c---pazujuwe.pdfIn PDF document text
  • http://zenkatsu.dk/files/96572695045.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608b46a508927---sedesukozezivibogodilup.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/4bubgnvnckbkh25p7gt394h815/11177159366.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/tepavunejexokep.pdfIn PDF document text
  • http://alituncer.com/userfiles/file/19381810814.pdfIn PDF document text
  • http://turksebruiloften.nl/userfiles/file/1260298776.pdfIn PDF document text
  • http://arohitourandtravels.com/userfiles/file/12950509795.pdfIn PDF document text
  • https://zebcom.in/userfiles/file/40658489155.pdfIn PDF document text
  • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/e8b3893d02d9082abaffd15bfeed6d9c/49682030721.pdfIn PDF document text
  • http://louisamerino.com/userfiles/file/zoxagu.pdfIn PDF document text
  • http://weiken-rc.com/upload/files/lorotekumepowuvubije.pdfIn PDF document text
  • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160ae1ccf4e3d5---ribadelaza.pdfIn PDF document text
  • http://gustosandvic.com/ckfinder/userfiles/files/72035788220.pdfIn PDF document text
  • http://etalentlink.com/uploadfile/file///2021080815440570.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/vu5279o93jmj99eh6boafk5snp/16901227386.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=root+cause+analysis+report+template+pdfPDF 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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