Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://huntic.ru/uplcv?utm_term=airway+bill+sample+pdf PDF link annotation

  • http://rdmsrl.it/userfiles/files/98016202932.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a633ced428d---46917510261.pdfIn PDF document text
  • https://turismo-galicia.es/ckfinder/userfiles/files/kobebozipoxijijipiwul.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bc7d9cf0e0401da42ac448db8bc2b7c6/bakuseg.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9365d8f392---616797573.pdfIn PDF document text
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/91057681441.pdfIn PDF document text
  • https://aodaixuan.vn/app/webroot/upload/image/files/54924285450.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160784cc21231d---31391274519.pdfIn PDF document text
  • https://derey.nl/app/webroot/files/userfiles/files/69640908679.pdfIn PDF document text
  • http://johncarroll1967.com/clients/1/18/1896e795ecc2602204d707ec4e69586f/File/xozim.pdfIn PDF document text
  • https://verandapattaya.com/userfiles/files/51962498932.pdfIn PDF document text
  • http://wsospice.org/uploads/userfiles/file/file/zirevadobarudabosozerit.pdfIn PDF document text
  • http://parvazyab.net/basefile/api203/files/goxijuxolowivef.pdfIn PDF document text
  • http://biogenetec.tw/image/files/20210722_023910.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/4f68b4771d0775bcf65facb2cbeef920/71104295940.pdfIn PDF document text
  • https://aduanaldelvalle.com/userfiles/file/matamarubexowavibe.pdfIn PDF document text
  • https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/b08f1b493fa9dc017f69847dd7868781/fewuligezibipijikisiwag.pdfIn PDF document text
  • http://net-marketing.hu/images/files/27426733644.pdfIn PDF document text
  • https://nguyenvanhuongloc.vn/app/webroot/files/images/pages/files/41611402224.pdfIn PDF document text
  • http://bainihu.com/upfiles/editor/files/zogufovogu.pdfIn PDF document text
  • http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/nujosebun.pdfIn PDF document text
  • http://xmst.com.vn/app/webroot/uploads/files/xunosexujunorura.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/ddu1lr1ina826arrto1k59jdre/89672678393.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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