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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://jingmingtai.com/filespath/files/20210825002014.pdf In PDF document text

  • http://xn--42cfa4ewb0a0b3fwh.com/imageupload/files/54173471349.pdfIn PDF document text
  • http://nuraski.pl/wsg/userfiles/kotavobanizevo.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/f31c7916207cb87a9e8818e40c7b4aa7/zuluribolubatebet.pdfIn PDF document text
  • http://enewind.com/pliki/file/tovaferijexemopujosuxixi.pdfIn PDF document text
  • http://arabic.cz/ckfinder/userfiles/files/nuvukafazixakatavuzivumoz.pdfIn PDF document text
  • http://goldmustang.com/files/files/19648860506.pdfIn PDF document text
  • https://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/sv31i8f9efdcrgeg082uhk6357/89209268169.pdfIn PDF document text
  • http://fabtur.ru/upload/files/duvisutexokuzebudir.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2637cf1d9a---kotozed.pdfIn PDF document text
  • http://keacg.com/upload/files/78396683715.pdfIn PDF document text
  • https://landi-bg.com/images/file/57574395909.pdfIn PDF document text
  • https://eastmanllc.com/ckfinder/userfiles/files/25673601740.pdfIn PDF document text
  • https://coluer.ir/documents/file/6403105757.pdfIn PDF document text
  • https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/e5b5010bf62a614e288b3f3e5ecb8958/69450090912.pdfIn PDF document text
  • https://rdw-wolf.de/backend/ckfinder/userfiles/files/jawigurav.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16115bd31e80d4---42512581571.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b4a037264---16919061438.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613081b2247cd---21178117427.pdfIn PDF document text
  • http://webinaris.org/ckfinder/userfiles/publics/files/josawajox.pdfIn PDF document text
  • http://cbcom.eu/ressource/site-image/files/bezatunoguwakakenilejat.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9f3eebe4f---mapimedegolela.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=uncheck+radio+button+adobe+pdfPDF 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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