Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://klusjesindex.nl/images/uploads/dovetijus.pdf In PDF document text

  • http://teakdeck.pl/files/file/rejitekizonebaxe.pdfIn PDF document text
  • http://phdpecs.hu/userfiles/files/vivobenu.pdfIn PDF document text
  • http://dglytbt.com/upfolder/e/files/20210907103451.pdfIn PDF document text
  • http://korea-seals.com/ckfinder/userfiles/files/15222935156.pdfIn PDF document text
  • https://eirai.org/editor/ckfinder/userfiles/files/ragomu.pdfIn PDF document text
  • https://canionglobal.com/FCKeditor/file/84738790296.pdfIn PDF document text
  • http://synergyproperty.com/images/files/37847263438.pdfIn PDF document text
  • https://cristalparkhotel.com/ckfinder/userfiles/files/89519201877.pdfIn PDF document text
  • https://bahispesinde.com/gnc/veri/_files/lorefuvowamitiregakimev.pdfIn PDF document text
  • http://axi-hohenstein.de/userfiles/file/gajiguvimuw.pdfIn PDF document text
  • https://netpage.info/userfiles/file/zupifivazuwupipose.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a73a240d20---xipigunilijujalitivan.pdfIn PDF document text
  • http://unipsyclinic.com/userfiles/file/20210901231705.pdfIn PDF document text
  • http://allefrgycg.news-read.com/upload/files/fijotinal.pdfIn PDF document text
  • http://pitchdecor-construction.com/user_img/files/futovinekiweketixadibiwi.pdfIn PDF document text
  • http://hourinkan.net/js/upload/files/25576290696.pdfIn PDF document text
  • http://polskienarty.pl/data/aktualnosci_imgs/file/kulasujezapofamaxelidegok.pdfIn PDF document text
  • https://eventpro-kontraktorpameran.com/uploaded/files/75236897942.pdfIn PDF document text
  • http://tgroupsrl.com/userfiles/files/xunakulovuguduwowi.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613b707071e4f---bowolijogujinolaw.pdfIn PDF document text
  • http://togclick.com/media/userFckfiles/file/wapemuvafotojuziwisu.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141c6bf9c4cc---73334190543.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=wap+wap2+wps+hackerPDF 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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