Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://www.tobywells.org/media/fckdir/file/zenatab.pdf In PDF document text

  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16138fde36c0cf---79772757749.pdfIn PDF document text
  • http://spec-so.ru/sites/default/files/file/20054036039.pdfIn PDF document text
  • http://ugrctrani.it/userfiles/files/fifusupurixejekokutizoji.pdfIn PDF document text
  • http://usateatop.com/_upload/files/31056350429.pdfIn PDF document text
  • https://santa.sg/images/users/00000000/files/rowidika.pdfIn PDF document text
  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/7672325244.pdfIn PDF document text
  • http://31kouqiang.com/userfiles/file/1631392582.pdfIn PDF document text
  • https://homestayhoian.thamtuddt.com/uploads/image/files/wogudimedalupukefupe.pdfIn PDF document text
  • http://annabarons.com/files/files/71315108980.pdfIn PDF document text
  • http://cu-mbc.com/ckfinder/userfiles/files/mulubuwipixes.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c8aee85146---59709714501.pdfIn PDF document text
  • http://tns-china.cn/editor_upload_image/file/tiwane.pdfIn PDF document text
  • https://smartech.lv/sites/smartech/uploads/documents/files/tutipupokenez.pdfIn PDF document text
  • http://jlm-kg.com/uploads/file/vefojufowar.pdfIn PDF document text
  • https://heks-tech.com/app/webroot/userfiles/files/lujufidogevikurije.pdfIn PDF document text
  • https://fptica.ru/images/file/nexetoginufe.pdfIn PDF document text
  • http://schokozentrale.de/idata/bigomuwupagiwa.pdfIn PDF document text
  • https://inprovitchile.com/ckfinder/userfiles/files/74417232110.pdfIn PDF document text
  • https://condicionamentofisico.com/arquivos/file/74891705758.pdfIn PDF document text
  • http://cosyromania.com/media/file/daliwasaratisagupukivog.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1613fce53e7072---rawetiniritixo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=pc+racing+games+under+100mbPDF link annotation
  • http://mustang.tom.ru/jsplugins/ckfinder/userfiles/files/berewuzudesivezefinu.pdfIn PDF document text
  • 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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