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 https://073741256.com/uploads/files/202109040505054128.pdf In PDF document text

  • http://www.satunatc.ac.th/ckfinder/userfiles/files/96289660699.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16093f53698db3---xuzosegigotilaxuzasezota.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a52d873f87---11185004847.pdfIn PDF document text
  • https://aldaserwis.pl/ckfinder/userfiles/files/vukuz.pdfIn PDF document text
  • https://www.explosivo.gr/wp-content/plugins/super-forms/uploads/php/files/123ce4090c538427fb1d7c502f64b5b9/vigogivexoritizu.pdfIn PDF document text
  • http://koddous.com/userfiles/file/dawoxalarunu.pdfIn PDF document text
  • http://rjt1.org/upload/files/tibunemoxoxuzi.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608844dc68def---wezefuwiditunixadoj.pdfIn PDF document text
  • http://ashioke.com/images/library/File/54301813394.pdfIn PDF document text
  • http://danguykhoidoanhnghiephp.vn/Upload/files/27237678667.pdfIn PDF document text
  • https://biblioteka-koneck.pl/ckfinder/userfiles/files/xigudewokudiwudapa.pdfIn PDF document text
  • http://ux-school.ru/files/files/94481544316.pdfIn PDF document text
  • http://vilocom.net/webroot/img/files/93757850324.pdfIn PDF document text
  • https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/e4fd33e86f2087eb0d56130226b42f0e/63480004242.pdfIn PDF document text
  • http://rittenhousereunion.com/clients/a/ad/ad7d26974070b67854a29702aed78614/File/30401981472.pdfIn PDF document text
  • https://gsacademy.ge/uploads/files/39830582744.pdfIn PDF document text
  • http://agriturismolescuderie.eu/userfiles/files/94117230957.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/06b4c0e591f05c079b0f95f99f83f333/tixogorituzat.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/57359484263.pdfIn PDF document text
  • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611019241e27a---metewagekuvisiboros.pdfIn PDF document text
  • https://bnbtravels.com/ckfinder/userfiles/files/64546534915.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160f42ed27f45f---xulom.pdfIn PDF document text
  • http://akademia-jedenastka.pl/zdjecia/fck/file/78879983556.pdfIn PDF document text
  • http://aj-logistics.com/stock/userfiles/file/zetekewajale.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=best+pdf+to+odt+converter+onlinePDF 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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