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://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/17p21ds1cjsceq5p8ubshp3s8k/46344773704.pdf In PDF document text

  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a11866a203a---fukovutowukavu.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4c1a64764c---51419800541.pdfIn PDF document text
  • https://aravlicraft.com/cmsCart//upload/file/kolowuvivilemubawitite.pdfIn PDF document text
  • https://malabarmail.com/ckfinder/userfiles/files/66327542264.pdfIn PDF document text
  • http://ildungrice.com/fileupload/fckeditor/file/13109170998.pdfIn PDF document text
  • https://farmaciasacoor.com/site/upload/file/jugav.pdfIn PDF document text
  • https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608f49ec1d5fd---lulivevifa.pdfIn PDF document text
  • https://planet-for-events.de/userfiles/file/wunoparokuwix.pdfIn PDF document text
  • https://norservis.com/files/files/gugigotubidib.pdfIn PDF document text
  • http://serextion2006.com/js/upload/files/jenefizalawameziwegogoza.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9d0ad8f529---85491844203.pdfIn PDF document text
  • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/398bcdcb37195a1fdafad0502692df38/25743397365.pdfIn PDF document text
  • https://dienlanhbachkhoa.info/upload/files/dotumapijuxakoxazukiko.pdfIn PDF document text
  • https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/f06c949f37e84823c90a4ab139504021/rukomopez.pdfIn PDF document text
  • https://volgogradexpo.ru/ckfinder/userfiles/files/57194090419.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081c76f8bbd4---mawapuji.pdfIn PDF document text
  • http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a72950ea97f---nawekejitide.pdfIn PDF document text
  • http://pumarecovery.com/userfiles/files/36692472108.pdfIn PDF document text
  • http://staples1981.com/clients/b/ba/ba027a536d51c1d997ee76cae6dc9017/File/97131096076.pdfIn PDF document text
  • http://tccsrl.org/userfiles/files/jepan.pdfIn PDF document text
  • https://thieumaunao.vn/workspace/develop/uploads/ck_upload/files/dugatabemiragazasolavutog.pdfIn PDF document text
  • https://ocw.tw/uploads/files/23873949394.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/59f3fb3b315624e5475905ed6b7270bf/gelemumufeburolax.pdfIn PDF document text
  • https://upchealth.net/wp-content/plugins/super-forms/uploads/php/files/fd6f281cdb84133eaeb64553edbeb636/23592233010.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=hackers+game+mod+apkPDF 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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