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://coretry.ru/uplcv?utm_term=snack+video+apk+iphone PDF link annotation

  • http://nagakuratrading.com/js/upload/files/67178053786.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/722bf21034519cd154d8f74b412d01dc/59926205819.pdfIn PDF document text
  • http://xn--989ap7r0xbd5x.com/upload/fckeditor/file/vujaxewi.pdfIn PDF document text
  • https://bem-sa.com/img/file/tewanagekafanobuwapej.pdfIn PDF document text
  • http://nowyhotelik.pl/userfiles/file/70392095492.pdfIn PDF document text
  • https://trainova.com/userfiles/file/11067230589.pdfIn PDF document text
  • http://adhunikjewellers.com/ckfinder/userfiles/files/mivejod.pdfIn PDF document text
  • https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/6aldakgo26doprkpm150cavvq6/33435577165.pdfIn PDF document text
  • http://ymjgolf.com/file_media/file_image/file/23537611793.pdfIn PDF document text
  • https://oxi-dental.ro/imagini_ws/74470614953.pdfIn PDF document text
  • https://www.weboonline.com/ckfinder/userfiles/files/poxatod.pdfIn PDF document text
  • http://tiramisu-o.com/yamituki-n/uploads/files/41014182923.pdfIn PDF document text
  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140a9d85e5f2---sunumijosusizugavudoz.pdfIn PDF document text
  • https://h16hr15k-h19hr37urn.com/contents/files/98799901051.pdfIn PDF document text
  • https://mkart.it/uploads/file/giriko.pdfIn PDF document text
  • http://oodow.cn/upload/file/210913180946130762wu6urfhlac8x.pdfIn PDF document text
  • https://hongmao.tw/uploads/files/202109112303201370.pdfIn PDF document text
  • http://cambresisemploi.fr/ckfinder/userfiles/files/13461615063.pdfIn PDF document text
  • https://agermag.ro/mm/file/fekajexivevogabofejomowim.pdfIn PDF document text
  • https://jagamimpi.net/contents/files/fupumemono.pdfIn PDF document text
  • https://balmbeach.hometeamcorp.com/images/usr/kadumok.pdfIn PDF document text
  • https://dianthusindustrial.com/resimler/files/46952744028.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/8b56767d331a4f50695a416867cae755/perizareketewijepime.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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