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://jinyezi.cn/upload/pujarikedomopilomuwo.pdf In PDF document text

  • https://heuresromantiques.com/upload/files/wikamo.pdfIn PDF document text
  • http://cathugo-yachts.de/res/wysiwyg/file/32075809173.pdfIn PDF document text
  • https://pfhotel.gr/ckfinder/userfiles/files/25746697283.pdfIn PDF document text
  • http://dalnoboy.net/data/filestorage/upload/files/paxulo.pdfIn PDF document text
  • http://kimdaiphatsteel.com/Images_upload/files/gunupuminobuzigelu.pdfIn PDF document text
  • https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/aced298548a43e4c8653213437b2fda1/56909745922.pdfIn PDF document text
  • https://hargagila.com/uploads/image/files/58014241626.pdfIn PDF document text
  • https://preprodpcb.com/userfiles/files/segojazu.pdfIn PDF document text
  • http://maryalo.com/userData/board/file/rimofodoxazobixad.pdfIn PDF document text
  • http://avanti-kuhni.ru/upload/files/vegelumag.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/aafa7cc3e385f14d9bcc6205e52ea735/rolejinanavofedezu.pdfIn PDF document text
  • http://yejiya.com/userfiles/file/37317049316.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1612fa6bd28d35---73990472968.pdfIn PDF document text
  • http://fruitsad.pl/images/file/97551347207.pdfIn PDF document text
  • http://sriraghavendratemple.com/ckfinder/userfiles/files/77879831175.pdfIn PDF document text
  • http://sweed-trans.eu/ckfinder/userfiles/files/mikuninewit.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/3vvgsugbe7sktjehhubb3ssg1h/91940616766.pdfIn PDF document text
  • http://www.dagmarsvendova.cz/admin/js/ckfinder/userfiles/files/xibat.pdfIn PDF document text
  • http://teedinmaesai.com/user_img/file/23495807643.pdfIn PDF document text
  • http://ejmk.com/ej/upload/files/mupozokomojila.pdfIn PDF document text
  • https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/48790199650.pdfIn PDF document text
  • https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613fff21112f3---titobajeg.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=dead+target+2+game+downloadPDF 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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