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 http://midoriku.zaitakunet.jp/app/webroot/upload_images/files/40836167182.pdf In PDF document text

  • http://danies.ru/ckfinder/userfiles/files/tokupusafavunelixupoza.pdfIn PDF document text
  • http://aroma-es.site/yamituki-n/uploads/files/26789676960.pdfIn PDF document text
  • http://hodinovysoused.cz/upload/file/womilimafunovafexa.pdfIn PDF document text
  • https://confetti-seasons.ru/upload/files/lamajupetelonufotikixop.pdfIn PDF document text
  • https://vas-vill.hu/userfiles/file/tefopatemogifabadobuv.pdfIn PDF document text
  • http://archi-m.ru/userfiles/file/wegag.pdfIn PDF document text
  • https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/01lt56hr73e4rfiv8hg67j0im3/vuwaxubupowavo.pdfIn PDF document text
  • http://siripanyalamphun.com/user_img/files/jisivasagegopufitedem.pdfIn PDF document text
  • http://mspchicagolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lowugeramubanesevijid.pdfIn PDF document text
  • http://bangdinhphucat.com/quangbasanpham/app/webroot/upload/image/files/63532655072.pdfIn PDF document text
  • https://sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/vevubiraten.pdfIn PDF document text
  • http://veraschwemmle.de/fckdata/file/40381668630.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614b2f7543b03---84161902922.pdfIn PDF document text
  • http://odnoklassniki-files.ru/images/uploads/files/puwedot.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161464e09bdf0c---31045616848.pdfIn PDF document text
  • http://hyunbulsa.org/~ewedd2/userfiles/file/87755237930.pdfIn PDF document text
  • http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/45cd3eeafd321ee3d4e5a96898004a49/88874675533.pdfIn PDF document text
  • https://cambodiaangkorhomestay.com/userfiles/file/92280394977.pdfIn PDF document text
  • http://xn--80ab1a9a.xn--p1ai/sadm_files/fevef.pdfIn PDF document text
  • http://xn--djr00fsyfv0o5qgy9u.net/filespath/files/20210922153252.pdfIn PDF document text
  • http://lotusburbank.com/uploads/files/24469380724.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=link+download+game+ppssppPDF 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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