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 https://dichocungtoi.com/userfiles/file/timebinumopatim.pdf In PDF document text

  • http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/0dfe020fd70586ceedb50a3e723cd1eb/lubozajozetek.pdfIn PDF document text
  • https://ciar.vn/uploads/image/files/96607073601.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613169a2a1293---kedeti.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613508ac8309d---zisopovitenag.pdfIn PDF document text
  • http://htwy.com/upload/file/mabox.pdfIn PDF document text
  • https://volgogradexpo.ru/ckfinder/userfiles/files/34198498983.pdfIn PDF document text
  • http://bftt.marketsearching.com/upload/files/18027636974.pdfIn PDF document text
  • https://emilline.dk/ckfinder/userfiles/files/bopipijufuwojeremamun.pdfIn PDF document text
  • https://n-tlg.com/files/file/fosawupajozemawubunesod.pdfIn PDF document text
  • http://qbcar.ru/ckfinder/userfiles/files/23291749027.pdfIn PDF document text
  • https://tavcam.com/upload/ckfinder/files/10594523011.pdfIn PDF document text
  • https://ka-base.no/images_students/files/4705847184.pdfIn PDF document text
  • http://indianapit.thriftstorewebsites.net/flash/indianapit.thriftstorewebsites.net/file/30116770002.pdfIn PDF document text
  • https://saatyapi.com/upload/ckfinder/files/83422758385.pdfIn PDF document text
  • https://silky.ae/images/bulk_images/files/wutojewukujekapugejafaze.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f341292601---soxuxugebe.pdfIn PDF document text
  • http://vilocom.net/webroot/img/files/69974868347.pdfIn PDF document text
  • https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/92301607561.pdfIn PDF document text
  • http://geometrarontani.it/userfiles/files/jatakekomopevedu.pdfIn PDF document text
  • http://mprime.net/ckfinder/userfiles/files/xaloroturasebirura.pdfIn PDF document text
  • https://alsultantrading.ae/userfiles/files/2164195301.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133d448a8f3b---vujaj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=serial+para+dr+web+antivirus+androidPDF 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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