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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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
• 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://inwebjor.ru/uplcv?utm_term=how+to+know+wifi+password+android PDF link annotation

  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/6839041afe8c4b56aac2750c343a3bd9/14291064483.pdfIn PDF document text
  • http://rpsbchamber.org/editorData/file/sifigituvuda.pdfIn PDF document text
  • http://aviteksural.ru/admin/ckfinder/userfiles/files/kasukukiwewuboduke.pdfIn PDF document text
  • http://zbraneklapka.cz/ckfinder/userfiles/files/37664285121.pdfIn PDF document text
  • http://agierresrl.it/userfiles/files/sologotinijinu.pdfIn PDF document text
  • https://corpusbg.com/files/fck/file/65780977562.pdfIn PDF document text
  • http://prosquash.by/data/47169292884.pdfIn PDF document text
  • http://naturabliskociebie.pl/userfiles/file/57150486145.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/8iq7a8dvk7s9vrrft4lmpvuj1q/82612297104.pdfIn PDF document text
  • https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/6gchlnknj90mgb88pt82b25p59/90610165566.pdfIn PDF document text
  • https://ppuhperspektywa.pl/files/edytor/file/6344508920.pdfIn PDF document text
  • http://blueview.nl/app/webroot/files/userfiles/files/28147836172.pdfIn PDF document text
  • https://medtek.vn/storage/file/66114022822.pdfIn PDF document text
  • http://www.impactit.in/ckfinder/userfiles/files/kolowosesovivibozojebepud.pdfIn PDF document text
  • https://pracowniatechart.pl/fckpliki/file/80873022934.pdfIn PDF document text
  • https://komunalno-vrgorac.hr/files/bozezegoxukunedi.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/161393221429c4---40323210770.pdfIn PDF document text
  • https://ms02bet.com/contents/files/sarigetafi.pdfIn PDF document text
  • http://everest-c.ru/ckfinder/userfiles/files/26793768699.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/73d51a383f8b3f61d020bdf8a51a6298/baguzafabujezixokuj.pdfIn PDF document text
  • http://studiodabo.eu/userfiles/files/55514679083.pdfIn PDF document text
  • http://triple-a.co.th/ckfinder/userfiles/files/77122081220.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/161397e6d3452d---menaxufabo.pdfIn PDF document text
  • https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/duxabidekupugewiv.pdfIn PDF document text
  • http://hotechike.com/files/files/31671721299.pdfIn PDF document text
  • http://telesson.net/_UploadFile/Images/file/51091935506.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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