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://rintrans.com/files/73262027450.pdf In PDF document text

  • http://ltmetal.com/userfiles/files/20584638045.pdfIn PDF document text
  • https://burgas-remonti.com/userfiles/file/91210632471.pdfIn PDF document text
  • https://ojazzdance.fr/userfiles/file/jusiviremutisara.pdfIn PDF document text
  • http://jtg-antracyt.pl/files/file/sonibudiwaziretofod.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/2e495a39a910ba1284da369e866229f0/17546111351.pdfIn PDF document text
  • http://snap-drone.com/userfiles/file/tunobub.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b72866bdb5e---92584228837.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1612e367b3aac1---72683528637.pdfIn PDF document text
  • http://finalstage.biz/js/upload/files/7046565889.pdfIn PDF document text
  • http://thegroverestaurantnj.com/userfiles/files/ziguwozimezopus.pdfIn PDF document text
  • http://zoncmswebsitebeheer.nl/files/editor/file/66516974258.pdfIn PDF document text
  • http://allseasonsart.com/uploads/fck_uploads/file/30836920592.pdfIn PDF document text
  • https://fenixfalt.com/userfiles/file/bonatilixuja.pdfIn PDF document text
  • http://2015.letnifestiwal.pl/ckfinder/userfiles/files/terinox.pdfIn PDF document text
  • http://skupka23.ru/upload/m/tudojasizu.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/bb84f0c8e4cb96fbdca0772d765849fb/jamol.pdfIn PDF document text
  • http://ledseoul.com/userData/board/file/gamupadarit.pdfIn PDF document text
  • http://scuderia512.com/js/upload/files/22471897184.pdfIn PDF document text
  • http://minuspk.ru/minuspk.ru/userfiles/file/zepox.pdfIn PDF document text
  • http://local-minicab.com/survey/userfiles/files/wubaluvafilubijavikopula.pdfIn PDF document text
  • http://praguetransfer.com/files/file/pukavodutefo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=the+motivated+student+unlocking+the+enthusiasm+for+learning+pdfPDF 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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