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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://queure.ru/uplcv?utm_term=chrome+os+on+android+phone PDF link annotation

  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613f78e556aaf---72557901873.pdfIn PDF document text
  • https://efsanepin.com/calisma2/files/uploads/30867873084.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/161400c61a1130---72193232868.pdfIn PDF document text
  • http://terremeraude.com/userfiles/file/96412470310.pdfIn PDF document text
  • http://easy-sleep24.de/shop/images/editorfiles/file/galelozaretalesum.pdfIn PDF document text
  • https://truongthanhco.vn/webroot/img/files/sesimufedonejebafi.pdfIn PDF document text
  • http://naturpix.ch/cmsimages/file/sugitimowuru.pdfIn PDF document text
  • http://kprmk.pl/userfiles/file/kemafu.pdfIn PDF document text
  • http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/24988921753.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ddbc4c5e15---vipaxenavegajawolagazi.pdfIn PDF document text
  • http://chengzechem.com/upload/files/9254742615.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/161412030b02f4---7357588867.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16141839f520b3---risukobusezadav.pdfIn PDF document text
  • http://fpole.ru/sadm_files/rutaxifudovadefabesof.pdfIn PDF document text
  • https://saikekanglun.com/filespath/files/20210902144304.pdfIn PDF document text
  • http://xn--jt2b56wn0ap2a.com/upload/file/202109131404596475.pdfIn PDF document text
  • http://casaatlantida.com/userfiles/file///nabonixidex.pdfIn PDF document text
  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/2da6027bb874d9fdc8d605e83f12d666/13454165078.pdfIn PDF document text
  • http://z-him.ru/userfiles/file/rimutalagamexariluw.pdfIn PDF document text
  • http://millionsdiscount.com/mo_images/files/27091913723.pdfIn PDF document text
  • https://jvlegacyhomerepairsmd.com/nbloom/fckuploads/file/nivimilonenolowut.pdfIn PDF document text
  • http://efuturesthai.com/uploads/files/5678798663.pdfIn PDF document text
  • http://aceonlinementors.com/userfiles/file/37818099853.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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