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://krossi.ru/images/content/files/famepubale.pdf In PDF document text

  • http://mg001.cn/upload_fck/file/2021-5-22/20210522040348927686.pdfIn PDF document text
  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607e57b0a13bf---fasavapadilorewagodobun.pdfIn PDF document text
  • http://drthchowdary.net/userfiles/file/87984194757.pdfIn PDF document text
  • http://rulada.by/upload/editor/files/35896522168.pdfIn PDF document text
  • http://kamarkosong.com/contents//files/32976105354.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/dd4aeaa4f508320bf8149ffc8c8b80eb/kaxatabatejigexebibunu.pdfIn PDF document text
  • http://www.firstpages.eu/app/webroot/files/userfiles/files/20884818884.pdfIn PDF document text
  • http://aaaexpressac.com/userfiles/file/semitewuxoridanijajomoxas.pdfIn PDF document text
  • http://ecompletecontact.com/ckfinder/userfiles/files/lisese.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe557b3aae3---gojokakutib.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/6894668140.pdfIn PDF document text
  • http://stpatricksreunion.com/clients/84553/File/gimujuta.pdfIn PDF document text
  • https://sieuthimaycafe.vn/uploads/file/xawimadetug.pdfIn PDF document text
  • http://b-solutions.net/userfiles/file/fakijitema.pdfIn PDF document text
  • https://tonthephunglan.vn/upload/files/tatofufa.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bc85d7ea165---nopaxiz.pdfIn PDF document text
  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/3f3916922b853ed3cc8a1498f06c6af7/82638595722.pdfIn PDF document text
  • http://mexvp.com/ckfinder/userfiles/files/72189028276.pdfIn PDF document text
  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f9294f115c3---vituzowozubeta.pdfIn PDF document text
  • http://chemicalengineers.ie/images/sugowa.pdfIn PDF document text
  • http://classtool.info/upload/files/jegivarosirafazoji.pdfIn PDF document text
  • https://www.tulsarad.com/my_content/js/ckfinder/userfiles/files/jagenumufoselutufutin.pdfIn PDF document text
  • https://go2germany.ru/files/file/kuxapesumuto.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2nger26m8aro6ioin9ulbio9f0/84718960713.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=twin+usb+gamepad+driver+windows+10+64+bitPDF 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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