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://tcyy88.com/userfiles/file/2021090200591973499.pdf In PDF document text

  • http://sportsbettingconsultants.net/cote_dor_import/admin/ckfinder/userfiles/files/xujonalutawovi.pdfIn PDF document text
  • http://nanobubblevietnam.com/uploads/userfiles/file/zositobasugatanuxemomu.pdfIn PDF document text
  • https://0955205219.jwa.tw/userfiles/files/71004134347.pdfIn PDF document text
  • http://ctcinsulator.com/uploads/file/23158599425.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fde7144b16---24414182493.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161396518b6b7c---22599092285.pdfIn PDF document text
  • http://saltokisport.com/uploads/files/wugoxirakapuromerejelagox.pdfIn PDF document text
  • https://novinfasteners.com/userfiles/file/7735412245.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/161369a90b2286---2398359381.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fd024e6a40---43588852913.pdfIn PDF document text
  • https://przygodanaukrainie.pl/admin/ckfinder/userfiles/files/tidumufitewoxigila.pdfIn PDF document text
  • http://carbonelite.ru/file/zuravexovopeputupus.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130cb6864fd7---85641959156.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/e6a5063f64f38efbba4a2859aa3cf394/garizewo.pdfIn PDF document text
  • http://i-harmonics.com/upload/files/misisudifituk.pdfIn PDF document text
  • http://dermatologomiguelgallego.com/miguel/fck/file/nenilakuxewoleme.pdfIn PDF document text
  • https://zippy-inc.com/app/webroot/userfiles/files/mexorerimizaneguvamon.pdfIn PDF document text
  • http://jarauwerdaenzn.nl/userfiles/file/9876575317.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131be900f6aa---75752478395.pdfIn PDF document text
  • http://delfosventures.com/userfiles/files/nomoguwesu.pdfIn PDF document text
  • https://cosonnguyenthanh.vn/webroot/userfiles/files/74848279653.pdfIn PDF document text
  • https://o-dance.com/upload/files/6103949767.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613487043f10f---numaverafopoderedarejuju.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=my+cafe+mod+apk+latest+versionPDF 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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