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://riggi.ru/userfiles/file/58926353173.pdf In PDF document text

  • https://recapress.com/ckfinder/userfiles/files/94008745848.pdfIn PDF document text
  • http://gcoekmr.org/cukashmir/User_Files/imagefile/85474535618.pdfIn PDF document text
  • http://sepremprod.fr/www/images/mediamanager/mopigogapu.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/qpd69dbp7t7spaqcqvcg2crs5g/wajoriminafexexeg.pdfIn PDF document text
  • https://www.jancsoalapitvany.hu/ckfinder/userfiles/files/18780264014.pdfIn PDF document text
  • https://petala.gr/userfiles/file/23447459485.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608d899c66267---732897212.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c74f5d21a01---33903303805.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608a971c81a44---59181167094.pdfIn PDF document text
  • https://scavilecis.it/userfiles/file/sixevunevisalitajunubut.pdfIn PDF document text
  • https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/84b75227213988814fd9c71cfe384f8b/65371689188.pdfIn PDF document text
  • https://abugfreemind.com/userfiles/file/jetipolifilaweruborufi.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/ac88b17c7013b136696d16cfa6b579f0/megizelorisu.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/5fb69a5117507abc27ef29a968186ea1/10559768000.pdfIn PDF document text
  • http://aviafond.ru/userfiles/file/wererofu.pdfIn PDF document text
  • http://watthaistuttgart.de/userfiles/file/manuwutanijisowewefozed.pdfIn PDF document text
  • http://studiogiovannone.com/userfiles/files/84736033660.pdfIn PDF document text
  • http://residencecarlofelice.com/userfiles/files/64483404343.pdfIn PDF document text
  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607070919e586---fisef.pdfIn PDF document text
  • http://turagent007.ru/userfiles/file/jolujuzelasevi.pdfIn PDF document text
  • https://amthanhanhsangchinhhang.vn/upload/files/sagefikew.pdfIn PDF document text
  • http://bunny888.com/ckfinder/userfiles/files/30308271632.pdfIn PDF document text
  • http://ya-ke.cn/admin/upload/situdideduzanodis.pdfIn PDF document text
  • http://lapmaymn.samdigroup.vn/app/webroot/upload/files/lupivumuwujowa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=soda+pdf+3d+readerPDF link annotation
  • https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/e5a28d27f01b46bb4279736d79c2de53/65642749844.pdfIn PDF document text
  • 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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