Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://crewmak.ru/uplcv?utm_term=adjectives+that+begin+with+letter+e PDF link annotation

  • https://ka-base.no/images_content/file/18233226261.pdfIn PDF document text
  • https://alutat.com/data/file/26987057408.pdfIn PDF document text
  • https://chinese-wall.tw/upload/files/90052105366.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131078fece1b---77322044449.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/ee73cf703ad092206d9b2c2555c96f25/vovilovixoduladuj.pdfIn PDF document text
  • http://alumcity.ru/userfiles/file/54960170991.pdfIn PDF document text
  • http://chaukitchen.com/uploads/files/buvetotirono.pdfIn PDF document text
  • http://mama-care.com/UserFiles/file/refetezisudejuxene.pdfIn PDF document text
  • https://saksisan.com/upload/ckfinder/files/17944269993.pdfIn PDF document text
  • http://thietbikhachsanvinhhung1.com/upload/files/fitekadupolijij.pdfIn PDF document text
  • http://rbc-bezorgdiensten.nl/upload/18374959531.pdfIn PDF document text
  • http://grandrosso.com/js/upload/files/49370847963.pdfIn PDF document text
  • http://p-jtech.com/userData/board/file/josovopazit.pdfIn PDF document text
  • https://cukimentescukraszda.hu/files/files/39183937200.pdfIn PDF document text
  • https://baxsporthorses.com/userfiles/file/56126204904.pdfIn PDF document text
  • http://druckmaschinenservice.com/uploads/fce/files/tejofefijigarexotagexom.pdfIn PDF document text
  • http://sun-green.eu/ckfinder/userfiles/files/piwavasaxobomasutimavar.pdfIn PDF document text
  • http://zl369.net/userfiles/file/xefavomeriri.pdfIn PDF document text
  • https://satesayap.com/contents/files/xevemujan.pdfIn PDF document text
  • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/s037nclet30905tee5qnfuig87/berajusodip.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133f0b6c0fe1---zarototemekuwomevibisib.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/bc51213ac0d0c2af5019d871a004567a/71051079962.pdfIn PDF document text
  • http://fewo-spreewald-schoetzigk.de/brandenburgtag/img/editor/file/77463734262.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/ecea3136fdced8eea0e8c4c66f57013e/nojap.pdfIn PDF document text
  • http://come2menorca.com/images/file/tojevimidijoko.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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