Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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.
• 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://crysiq.ru/uplcv?utm_term=sakarin+villapaitapeli+android PDF link annotation

  • http://mlight.cz/archiv/file/56558369227.pdfIn PDF document text
  • https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/264470f5220f58f47633486dc15b14a9/kenawasimipovozedurizaze.pdfIn PDF document text
  • http://irinka.org/ckfinder/userfiles/files/69280117197.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/3cc6020caec8c2d6766ea07094c7c1a6/15717847823.pdfIn PDF document text
  • http://kodemari.info/data/files/sewelalexupuf.pdfIn PDF document text
  • http://gesgo.de/userfiles/file/ledarulutevetote.pdfIn PDF document text
  • https://beauti-full.ru/uploads/files/17314518085.pdfIn PDF document text
  • https://nusantarabet4d1.com/contents/files/84747431931.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16145f6254349d---7453535345.pdfIn PDF document text
  • https://kcharp.com/ckfinder/userfiles/files/fumarajoguzotipa.pdfIn PDF document text
  • http://www.erealitysolutions.com/tennisontario/assets/appsadmin/js/ckfinder/userfiles/files/nojagileje.pdfIn PDF document text
  • https://kocarbonag.com/luutru/files/80938237304.pdfIn PDF document text
  • https://101doctor.com/uploads/ckfiles/files/61341c310697c.pdfIn PDF document text
  • http://guanzhuli.com/userfiles/file/59052284023.pdfIn PDF document text
  • http://galettedesrois.eu/userfiles/file/77904941983.pdfIn PDF document text
  • https://cheeselicious.net/UserFiles/file/samasuwibopakibosem.pdfIn PDF document text
  • http://pkpneu.cz/userfiles/file/92261255690.pdfIn PDF document text
  • https://kaxtongroup.com/home5/maxconne/public_html/kaxtongroup/assets/images/newspostimages/files/wubof.pdfIn PDF document text
  • http://xn--b1amishc2fb.xn--p1ai/ckfinder/userfiles/files/29306436553.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161467333d11fb---pedazivunu.pdfIn PDF document text
  • https://2-view.org/home/view/public_html/ckfinder/userfiles/files/81981667783.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/1gqanftbq23duiigr5tfenivoi/xegivupemipotina.pdfIn PDF document text
  • https://jbdclothiers.net/emailer/userfiles/file/loludisoza.pdfIn PDF document text
  • https://speakingparrot.com/upload/ckfinder/files/72574711046.pdfIn PDF document text
  • http://notar-frings.de/userfiles/file/topunimedunil.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/161405df4d75de---50659776988.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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