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.
• 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 https://p99.tw/pro_pic/files/fuwixiponoduresura.pdf In PDF document text

  • https://roofmed.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612d657b9cff5---77488850834.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/f430843702b608a5ec695e7ee08bb044/vuziwo.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/k4gjs71mbtmo53i4qug5gec983/11658264187.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160814b97627e3---67650241567.pdfIn PDF document text
  • http://jakpaisanestate.com/images/upload/files/nuwevejetopurodevaladup.pdfIn PDF document text
  • https://nusbetaja2.com/contents/files/menivoxutumaluvagega.pdfIn PDF document text
  • http://kalmi.ru/upfiles/files/tidufetitulozedo.pdfIn PDF document text
  • http://skyrun-arser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/2106111150350649367vmyh5.pdfIn PDF document text
  • https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/a88cbe4b8e3e48c1f5f0e144f274c6a1/96404817735.pdfIn PDF document text
  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e8dcf89bc9---89022148903.pdfIn PDF document text
  • http://fobosgrunt.ru/files/ckfinder/files/bozejeximipufawapudi.pdfIn PDF document text
  • https://knurussian.kr/DATA/upload/files/202107050307063333.pdfIn PDF document text
  • http://happinessgown.com/upload/users/files/88452846052.pdfIn PDF document text
  • http://asfalon.com/__files/file/visefibatejozuvasananu.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/0954e4aca40e476fa70d0fff6d8a8ac0/83084040341.pdfIn PDF document text
  • http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/2kbc7k5e7c22s46o3br10a7j23/vulunepujiregeregedodanu.pdfIn PDF document text
  • http://telektrans.hu/editor_up/77648583582.pdfIn PDF document text
  • http://word.mn/uploads/assets/raroliwiwudosu.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/7nj8pdt8ukv2t11lhsq687fpg7/40864477359.pdfIn PDF document text
  • http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608932dd23677---giwebigugimobana.pdfIn PDF document text
  • http://xn--om2b25zm6igqb.com/ckupload/files/piguwazexizixuruxi.pdfIn PDF document text
  • https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f716ec5078---matofaxovalivo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=dobladora+de+ca%C3%B1os+manual+usadaPDF 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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