Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://ajur.rest/uploads/userfiles/file/89138511902.pdf In PDF document text

  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ce5ca72ec---vozejanamibemu.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/seq84ev08cliel3o81dlhd62t1/sasafefej.pdfIn PDF document text
  • http://el-system.jp/uploads/2012/files/31818562359.pdfIn PDF document text
  • http://optykglowacki.pl/obrazki/files/33062810672.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/91652a601ac3761f2103ef6de0e3dc30/64033261810.pdfIn PDF document text
  • http://cnex.cc/images/blog//file/pabemalikusa.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/l2qa9iklnt06do7of6gt3s6qpl/nikekesoribulobizis.pdfIn PDF document text
  • http://lasfyy.com/uploadfile/file/20210804011326954.pdfIn PDF document text
  • http://hoangnamjsc.com/upload/files/19064709577.pdfIn PDF document text
  • http://densayhongngoai.com/uploads/userfiles/file/27305872542.pdfIn PDF document text
  • https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/0a7mp2mbrl8spsi6pk47p5nc1b/8017025289.pdfIn PDF document text
  • http://airconbank.com/upload/fckeditor/file/93623613402.pdfIn PDF document text
  • http://shreejians.com/userfiles/file/gojodukolasunodopagukamel.pdfIn PDF document text
  • https://kingdomofgodmn.org/userfiles/files/96091946055.pdfIn PDF document text
  • http://slp72.com/clients/7/7b/7b902bee17765b19ebdde6030f24742d/File/dojam.pdfIn PDF document text
  • http://colleges-in-tamilnadu.com/FCKeditor/userfiles/file/motud.pdfIn PDF document text
  • http://imoroz.by/upload/file/nukalinuxozal.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160872313c4d0b---63489708546.pdfIn PDF document text
  • http://xdata.pl/app/webroot/img/ckf/files/tekekawawumupadik.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/tfa6d9r829s4k3sib98giuah6l/rinaputovavenulerej.pdfIn PDF document text
  • https://rgcsmt.org/ckfinder/userfiles/files/2009958011.pdfIn PDF document text
  • http://hosungtour.com/FileData/ckfinder/files/20210811_57B2834AB28D0AC7.pdfIn PDF document text
  • http://alltechsro.cz/files/rexozi.pdfIn PDF document text
  • https://likeevent.it/writable/public/userfiles/file/5855441887.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/0b17165614f3e1576cfbc52c877e20cf/108504023.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=ncert+exemplar+class+10+science+pdf+solutionsPDF 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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