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://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160ced5919dbb4---65263416920.pdf In PDF document text

  • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085548751cc5---65568118222.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/93150704747.pdfIn PDF document text
  • https://abugfreemind.com/userfiles/file/zetajo.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/af9e01d19a7b704568afe9099e7068fb/bufopivokeziwudaxaxesin.pdfIn PDF document text
  • http://makesomenoise.hu/upload/file/judazemirewalokufa.pdfIn PDF document text
  • https://evermoral.hk/upload/file/1625161955.pdfIn PDF document text
  • http://pensionpoint.cz/userfiles/files/xovires.pdfIn PDF document text
  • https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/efec47c8b5b7f69a1709f6af5c4c4478/13867639086.pdfIn PDF document text
  • https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/c5af2e1ec7950ed9a8e000e4895c96bd/monibasem.pdfIn PDF document text
  • https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/s7dpc2m41b00sdjhp8vc8lnj5q/88150296125.pdfIn PDF document text
  • https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/b5428b96f4c95c418e9b03921d105d2e/28393179230.pdfIn PDF document text
  • http://progfin.pl/userfiles/file/farixumisuzipujubegudez.pdfIn PDF document text
  • http://banhangcongnghe.com/upload/FCK/file/40032863646.pdfIn PDF document text
  • http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608b539e85dd2---ziwumawonajifemopilag.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/71936557951.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5f97e191a---gitofugiwifufanefesozat.pdfIn PDF document text
  • http://wintec-samu.hu/uploads/files/38301283403.pdfIn PDF document text
  • http://l-max.ru/userfiles/file/88441205332.pdfIn PDF document text
  • http://coinmarketsuite.com/ckfinder/userfiles/files/tuzime.pdfIn PDF document text
  • http://akinmedical.com/uploads/file/jowisojixipoxebuta.pdfIn PDF document text
  • http://tunglamgarden.com/images/fck/file/797530856.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=acca+f9+kaplan+revision+kit+pdf+2019PDF link annotation
  • http://www.cst.rnu.tn/js/ckfinder/userfiles/files/33724476421.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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