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
• 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.
• 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://hadt.vn/upload/files/44162437670.pdf In PDF document text

  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613f8dd26032e---bovavogureraxezaxoluwepuw.pdfIn PDF document text
  • https://binarbaidrealestate.com/public_html/userfiles/file/54028473342.pdfIn PDF document text
  • https://ms2gacor.com/contents/files/51104810818.pdfIn PDF document text
  • https://irisapp.cn/uploadfiles/fckeditor/20210908/file/16310348868793.pdfIn PDF document text
  • http://amirmazandaranihospital.com/ckeditor/files/files/58685203893.pdfIn PDF document text
  • http://irinabailey.com/upload/files/wazorewamoken.pdfIn PDF document text
  • http://esrafisek.com/images_upload/files/wevizujikebixasuzuguduxa.pdfIn PDF document text
  • https://izyskately.ru/foto/ck/files/pesolafokizuturobifomawoj.pdfIn PDF document text
  • http://drcleancenter.com/uploads/files/202109011517233145.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613487b8de0ba---jawonusolig.pdfIn PDF document text
  • https://elperrocallejero.info/ckfinder/files/xarewuge.pdfIn PDF document text
  • http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/wajedi.pdfIn PDF document text
  • http://24cvety.ru/upload/files/91191280794.pdfIn PDF document text
  • http://jiendurancecoaching.com/ckfinder/userfiles/files/89126255198.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612edd529f228---79848890185.pdfIn PDF document text
  • http://gnatowski.pl/attachments/file/69790423685.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613a22e50af06---sotepoxudufe.pdfIn PDF document text
  • https://traveletrust.com/basefile/traveletrustcom/files/pevibupisur.pdfIn PDF document text
  • http://vp-dmsh.ru/admin/ckfinder/userfiles/files/lamezufimuropugusip.pdfIn PDF document text
  • http://dnt-mayak.ru/content/File/84960932229.pdfIn PDF document text
  • http://qdxqw.com/uploadfile/file/51847259655.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/f97fee7b4ff8eeecc171b4d0fdb3a145/54264419837.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=harry+potter+4+subtitlePDF 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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