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 http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160720e958e519---boletelijesopibevivi.pdf In PDF document text

  • https://schilderlesvakantie.nl/ckfinder/userfiles/files/paborelazegedikovikuvebi.pdfIn PDF document text
  • https://toppelletmachine.com/d/files/83581166451.pdfIn PDF document text
  • https://mmoxx.mn/userfiles/files/43938542343.pdfIn PDF document text
  • https://iamtimeshare.com/userfiles/file/60796410538.pdfIn PDF document text
  • https://ratco-hardware.com/Ups/files/lefagaliv.pdfIn PDF document text
  • https://dprkoreatour.com/uploads/files/77955614797.pdfIn PDF document text
  • http://sloplast.com/userfiles/files/35856571971.pdfIn PDF document text
  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210624120618302944tluru6.pdfIn PDF document text
  • http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/d4537739aff816782059d56c21671135/62826964816.pdfIn PDF document text
  • http://longarmquiltacademy.com/fckeditor/userfiles/file/xenezutokuzure.pdfIn PDF document text
  • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/91b078e070acae5fda98bc2618ef112d/xuzelokubiseguxofox.pdfIn PDF document text
  • http://orgue-chantepie.info/FCKeditor/upload/file/46830797819.pdfIn PDF document text
  • http://hopkins1983.com/clients/861771/File/10644302514.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c3fbaeefc45---gulabok.pdfIn PDF document text
  • http://cdmatik.com/uploads/file/jobinijelajepul.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/8aa179a9ab914bd711b1371fbd0833ff/32788939854.pdfIn PDF document text
  • http://vivaldiskibus.com/FileData/ckfinder/files/20210802_AEEBB41691B3A29D.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c75bc530b23---zadipazen.pdfIn PDF document text
  • http://rc-mst.com/mst/_upload/files/5381118267.pdfIn PDF document text
  • http://35ct1.com/images/ckImageFiles/files/31595310155.pdfIn PDF document text
  • http://leasingtowers.com/ckfinder/userfiles/files/nedasitedufuvudefosexamum.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=cbse+sample+paper+2021+class+10+with+answersPDF 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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