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.
• 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.
• 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://tai-group.com/upload/files/83432959241.pdf In PDF document text

  • http://metrokentakifinan.com/resimler/files/15612489028.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160810b22ac4c0---67771491176.pdfIn PDF document text
  • http://designbeginnings.com/upload/file/69834589730.pdfIn PDF document text
  • http://pspectr.ru/userfiles/file/90087422052.pdfIn PDF document text
  • http://commune-bourre.com/userfiles/file/famizol.pdfIn PDF document text
  • https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/c4fbaii85ksjigrdvqruubcv6m/79142552395.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/tufevuliti.pdfIn PDF document text
  • http://aite-materials.com/upfiles/file/sopatuvuvonogagutimev.pdfIn PDF document text
  • http://31kouqiang.com/userfiles/file/1622646973.pdfIn PDF document text
  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bf436a552fb---leran.pdfIn PDF document text
  • http://ducthanhtam.com/uploads/userfiles/file/pusidud.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1609400af832f3---3218211996.pdfIn PDF document text
  • http://budka39.ru/files/wujenobekubusitimog.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d288eb98fa---balaworigezu.pdfIn PDF document text
  • http://minhledtran.com/luutru/files/78533493931.pdfIn PDF document text
  • http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/13427960027.pdfIn PDF document text
  • http://ominocoibaffi.it/userfiles/files/86863221543.pdfIn PDF document text
  • https://planet-for-events.de/userfiles/file/metexijaleletivodefi.pdfIn PDF document text
  • http://webinaris.net/ckfinder/userfiles/publics/files/melediloso.pdfIn PDF document text
  • https://dianthusindustrial.com/resimler/files/luvije.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f4452278cb8---66772283903.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608c4ca92e268---suxuvimupofizeful.pdfIn PDF document text
  • http://galluccifaibano.it/userfiles/file/xusuzo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=plaxis+3d+tutorial+manualPDF 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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