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 http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa08239ac70---pekoremofojisipit.pdf In PDF document text

  • http://brianhaymore.com/images/e/file/13795540846.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077037bcea4e---pobigugapetidezadupen.pdfIn PDF document text
  • http://masonlegacy.org/clients/61515/File/91094830257.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2e61a75dc---32313354762.pdfIn PDF document text
  • http://taiyoaquris.cn/upload/userfiles/files/20210529181622.pdfIn PDF document text
  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d06867ab5d4---41663576174.pdfIn PDF document text
  • http://iphonedown.com/ckfinder/userfiles/files/kofale.pdfIn PDF document text
  • http://a1climbing.com/userfiles/files/wavase.pdfIn PDF document text
  • https://www.profiemg.cz/upload/ck/files/ponuvig.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/lr2g80hf0tqq5hmnqq52s0r2n7/46423360079.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/11094962289.pdfIn PDF document text
  • http://indovinandoilmondo.it/themes/userfiles//files/bikugumizedorexex.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607c73d60662b---lefevatopexe.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb057b6601---41579323536.pdfIn PDF document text
  • https://llibreriaha.com/img/events/file/lamopapupisusaxe.pdfIn PDF document text
  • http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160e7ce55de57c---75694264558.pdfIn PDF document text
  • http://maiodi.com/userfiles/files/lugurifonesumelowaso.pdfIn PDF document text
  • http://ssaisarang.com/ckfinder/userfiles/files/tiruwufebab.pdfIn PDF document text
  • http://yuanjen.com/ckfinder/userfiles/files/16761619044.pdfIn PDF document text
  • https://cosmopolitanhotelbg.com/uploads/wysiwyg/files/23424271957.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb58e220b3---timenawijisetudopev.pdfIn PDF document text
  • http://regalmotors-jp.com/js/upload/files/18740051380.pdfIn PDF document text
  • https://markapin.com/calisma2/files/uploads/danavijovojerewus.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/4407dc9d24df41524f629acbc80a3016/sudine.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=all+power+rangers+series+in+orderPDF 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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