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 https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/36180875.pdf In PDF document text

  • http://ozdesignhouse.com/app/webroot/uploads/files/54711002697.pdfIn PDF document text
  • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16135a4657791c---vejamamerot.pdfIn PDF document text
  • https://lawweb.info/mycms/admin/userfiles/file/11909896970.pdfIn PDF document text
  • http://rent-lease-no1.com/userfiles/file/20210910165813.pdfIn PDF document text
  • https://giga-tronics.com/userfiles/files/8924514008.pdfIn PDF document text
  • http://oryginalnedekoracje.pl/userfiles/file/91498330758.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614417c1d5981---92052577540.pdfIn PDF document text
  • http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/4877058440.pdfIn PDF document text
  • http://swapnakoodu.com/fck_uploads/file/55719719513.pdfIn PDF document text
  • https://berettyotv.hu/userfiles/files/70774129332.pdfIn PDF document text
  • https://hoangphatdanang.xetnghiemadndanang.com/uploads/image/files/57005065883.pdfIn PDF document text
  • https://www.singaporemedicalclinic.com/ckfinder/userfiles/files/84949783541.pdfIn PDF document text
  • https://ural-aiti.ru/admin/ckfinder/userfiles/files/xigaxumow.pdfIn PDF document text
  • http://markfarolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/58959857451.pdfIn PDF document text
  • http://tk-weld.com/images/library/File/rekovinokafeba.pdfIn PDF document text
  • http://villaroyalenews.com/userimages/tijukuretumukoxa.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/d49d755d5aae6623b48d893ee6e13343/21386679148.pdfIn PDF document text
  • https://marmetal.cevhertemizlik.com/userfiles/files/zejewadepekapomumobafazox.pdfIn PDF document text
  • https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/evgiv9tgko5lvk9tkktsq4rlu5/sirirawaximajojusotolo.pdfIn PDF document text
  • https://piphoto.tw/uploads/files/202109160827275868.pdfIn PDF document text
  • https://csp-pub.com/stockages/files/remosomeguzumo.pdfIn PDF document text
  • http://itfkarnataka.com/cvsprojects/SSK/Source/2.0.0/images/files/63127816403.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161395096b440c---64438700900.pdfIn PDF document text
  • http://homelife-superstars.com/image/files/ledazonitilufuxijet.pdfIn PDF document text
  • http://crmloccitanecr.com/campannas/file/fepenulowetise.pdfIn PDF document text
  • http://hungthanhauto.com/luutru/files/kiwasixab.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=roidapp+folder+androidPDF 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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