Malicious PDF — malware analysis report

Heuristics 6

• 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 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 https://kcharp.com/ckfinder/userfiles/files/83889158848.pdf In PDF document text

  • http://www.chp.pl/ckfinder/userfiles/files/turuki.pdfIn PDF document text
  • http://btc-ltd.com/upload/file/66653900751.pdfIn PDF document text
  • http://phaptangpgvn.net/app/webroot/upload/files/64013431742.pdfIn PDF document text
  • http://pechati-piter.ru/userfiles/file/vofilulorukosu.pdfIn PDF document text
  • http://bettynblue.com/upload/fck_img/20210519/file/7656141193.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8b85e358f9---46273440837.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/75oh4l8fn3jektjl2lhe34h3u2/gefijapemudunifoxozi.pdfIn PDF document text
  • http://bachova-terapia.sk/images/file/kewokalamubatubewubo.pdfIn PDF document text
  • http://tantex.org/tantex/tantexuserfiles/file/69650151538.pdfIn PDF document text
  • http://activesolutionelectric.com/images/file/63767647093.pdfIn PDF document text
  • http://abwrva.com/uploads/files/4646307019.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/be3c54983ffaf1f0488ee90dbbc6363d/78248801355.pdfIn PDF document text
  • https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/9ul3773le6ed9smooklj8sqmbk/wowatuwiwapi.pdfIn PDF document text
  • https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/73d8cc9464c5477d8ce29a2fcac541e3/kexomolixodavonof.pdfIn PDF document text
  • http://zonwering-belgie.com/ckfinder/userfiles/files/xamivuzumuxagakizigi.pdfIn PDF document text
  • https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/4t5v9hf43112f3po0ctgidf011/zaxomalu.pdfIn PDF document text
  • http://angelofthewinds.net/ckfinder/userfiles/files/61817320239.pdfIn PDF document text
  • https://www.bakirkoytemsilcisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160826f96b9766---botorasi.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16085cb20d522a---23902649153.pdfIn PDF document text
  • http://hintzfamilyreunion.com/clients/1/12/12a2788c5de59b93c87e4eff35998d4f/File/18468464614.pdfIn PDF document text
  • http://www.sport-konyv.hu/userfiles/file/4336322088.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b97cbd0a52c---31118308047.pdfIn PDF document text
  • https://agrimal.pl/userfiles/file/tobupisuvawetot.pdfIn PDF document text
  • https://balajihighfields.in/userfiles/file/ganaputufizizutepame.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=what+thread+do+you+use+for+friendship+braceletsPDF 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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