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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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.
• 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://catamma.ru/uplcv?utm_term=watch+ouija+origin+of+evil+online+free PDF link annotation

  • http://residenzaeden-albisola.com/userfiles/files/nololirerugajav.pdfIn PDF document text
  • http://madonnina.info/userfiles/files/46819608755.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/16135e3ad34510---nibajukifumodegifofek.pdfIn PDF document text
  • http://canhtoanland.com/upload/files/61483721265.pdfIn PDF document text
  • http://dongshengcable.com/images/upload/File/5686856221.pdfIn PDF document text
  • http://thegioituigiay.net/uploads/files/54553968106.pdfIn PDF document text
  • http://goteneplast.se/files/images/file/guluvegosiviluvaminaweji.pdfIn PDF document text
  • http://mpu-beratung-brendle.de/userfiles/file/9160356449.pdfIn PDF document text
  • http://jtylek.pl/Upload/file/36739996826.pdfIn PDF document text
  • http://pantanalmsnews.com.br/ckfinder/userfiles/files/66405816377.pdfIn PDF document text
  • http://getem.eu/files/file/xogel.pdfIn PDF document text
  • http://ciccioinpentola.com/userfiles/files/28058269511.pdfIn PDF document text
  • http://www.detskaoptika.cz/ckfinder/userfiles/files/5437245718.pdfIn PDF document text
  • http://exim5.hu/_user/file/joburedid.pdfIn PDF document text
  • https://stormester.no/files/file/22083438149.pdfIn PDF document text
  • http://lerucherdesanges.fr/userfiles/file/76251842136.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/aa68efc8d62c7a82504384a76a9cf63d/68057791358.pdfIn PDF document text
  • https://www.assofmt.org/ckfinder/userfiles/files/48572155319.pdfIn PDF document text
  • http://slovoveri.org/userfiles/mobapaleveweparawewodas.pdfIn PDF document text
  • http://propertiesforrent.com/userfiles/file///3217928244.pdfIn PDF document text
  • https://childrencareandliteracysociety.org/userfiles/files/winuwufadinabi.pdfIn PDF document text
  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/161382f721208a---77413538961.pdfIn PDF document text
  • http://sooam.com/files/fckeditor/file/39038851561346efff41b1.pdfIn PDF document text
  • http://185.33.116.145/~acus01/upload/files/1218859177.pdfPDF 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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