Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://cw-cut.com/uploads/file/xubidaguf.pdf In PDF document text

  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614c20a417722---87107894578.pdfIn PDF document text
  • https://www.willmarareachamber.com/ckfinder/userfiles/files/83956979733.pdfIn PDF document text
  • https://www.pirkitpadangas.lt/ckfinder/userfiles/files/fenaf.pdfIn PDF document text
  • https://giridhareye.org/ckfinder/userfiles/files/34331843573.pdfIn PDF document text
  • http://k12kos.com/ckfinder/userfiles/files/70548976749.pdfIn PDF document text
  • https://pisangmanis.com/contents/files/zatafomivokut.pdfIn PDF document text
  • https://hsdinstruments.nl/uploads/files/57005996962.pdfIn PDF document text
  • https://granitnet.hu/editor_up/59259318399.pdfIn PDF document text
  • https://theptaynam.vn/upload/files/67158690693.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/47785454192.pdfIn PDF document text
  • https://ivanda-commerce.hr/userfiles/file/77434400996.pdfIn PDF document text
  • https://foodsafebox.com/ckfinder/userfiles/files/fafimajaganesi.pdfIn PDF document text
  • https://senesi-sklad.cz/userfiles/file/64477886927.pdfIn PDF document text
  • http://nikacarpet.com/My_Project/Hamishe_bahar/ahar_img/files/nuvipakefuxuwanelabifofa.pdfIn PDF document text
  • http://bbdecontra.com/userfiles/files/67868253239.pdfIn PDF document text
  • https://podiummagazinenews.com/ckfinder/userfiles/files/16202467817.pdfIn PDF document text
  • http://ieeepes-thailand.org/app/webroot/files/files/17254146819.pdfIn PDF document text
  • http://rund.cz/UserFiles/File/69648259697.pdfIn PDF document text
  • http://onlinetalk.jp/app/webroot/img/fckfiles/file/71470530109.pdfIn PDF document text
  • http://osteriailgalloelinnamorata.com/userfiles/files/42354765175.pdfIn PDF document text
  • https://peusch.lu/userfiles/files/16604286251.pdfIn PDF document text
  • http://odessawa.com/userfiles/file/11886197046.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/161371409c5f3d---jezofuwenovonag.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/76d31e6c6fc21dcd2754356abfda53da/72376355735.pdfIn PDF document text
  • http://maezawa-jidousha.com/js/upload/files/97926605207.pdfIn PDF document text
  • https://ikansambel.com/contents/files/bojefizekukeseriw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=download+rar+for+androidPDF 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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