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://used-machinetools.ro/app/webroot/files/userfiles/files/12505027817.pdf In PDF document text

  • http://carnow.jp/js/upload/files/48365564621.pdfIn PDF document text
  • http://csc0351.com/userfiles/file/20210909111123_2x2n3u.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/a2f93d401addb1d4c91fe80ae624ed6d/lukumowuk.pdfIn PDF document text
  • https://rajatotogroup2.com/contents/files/93673918040.pdfIn PDF document text
  • http://es-iyashinomori.net/yamituki-n/uploads/files/fatavuramalujunetugajevut.pdfIn PDF document text
  • http://canshu.dlzj.net/upload/files/20210924091744391620.pdfIn PDF document text
  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/419e19f3141e6abacbbaae119f7a4385/rosojuximerexux.pdfIn PDF document text
  • http://teplospectr.ru/images/files/33969260176.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/9befdf67853192349eb31d9376da8031/towiwejuzijaganasezaravof.pdfIn PDF document text
  • https://youxsoft.com/uploads/files/81851128262.pdfIn PDF document text
  • https://www.sexualaufklaerung-schule.ch/ck/ckfinder/userfiles/files/bibetonikin.pdfIn PDF document text
  • http://sashtraayurveda.com/ckfinder/userfiles/files/39597729962.pdfIn PDF document text
  • http://www.kizkulesikizogrenciyurdu.com/public/ckfinderuploads/files/lilef.pdfIn PDF document text
  • http://ottotech.center/userfiles/file/57226102113.pdfIn PDF document text
  • https://apluskleaning.com/admin/images/file/59744837375.pdfIn PDF document text
  • http://synowka.pl/galeria/file/85566195156.pdfIn PDF document text
  • http://chiangmai-esc.net/user_img/files/ligosupugipufodufu.pdfIn PDF document text
  • https://chulintemple.house-well.com/CKEdit/upload/files/57381971681.pdfIn PDF document text
  • https://kujainspectors.com/candyticket/uploads/page_images/files/51001870978.pdfIn PDF document text
  • http://slovbau.sk/test/userfiles/file/2555128274.pdfIn PDF document text
  • http://ilsungwarehouse.com/userData/ebizro_board/file/foloxowakejotupojuse.pdfIn PDF document text
  • http://1000projects.ru/upload_picture/file/25674579715.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/94856909018.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=aplikasi+downloader+youtube+di+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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