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=creamy+ranch+mashed+potatoes PDF link annotation

  • https://cryptoshift.be/anaeter_capital/siteadmin/userfiles/files/rifajuwaduk.pdfIn PDF document text
  • http://langmoon.jp/js/upload/files/12448422240.pdfIn PDF document text
  • http://tizianaiberti.it/userfiles/files/9281748709.pdfIn PDF document text
  • http://abwingsde.com/uploads/files/viwopemuput.pdfIn PDF document text
  • http://hysansam.com/fckeditor/userfiles/image/83656936412.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160822e8c84b33---51833054667.pdfIn PDF document text
  • https://www.makathastaliklari.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606efa121f87d---60710051030.pdfIn PDF document text
  • https://implantsdentairesdesmoulins.com/upload/editor/file/74517958939.pdfIn PDF document text
  • https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/7eb8e47336b355cdd06a8e817f7dcc24/80459401450.pdfIn PDF document text
  • http://puppies-4u.com/clients/e/e7/e7f09595da74c05d2059c741134300d2/File/xapesomozexilunexemunubod.pdfIn PDF document text
  • http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3c1d01954---6220704371.pdfIn PDF document text
  • http://zxpgw.com/userfiles/file/80476253771.pdfIn PDF document text
  • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec96935d6c---vuxakejenujiroverofa.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ae3a49576f---25629721212.pdfIn PDF document text
  • http://originalavto.ru/userfiles/file/ravukanuzafenivuv.pdfIn PDF document text
  • http://joy05.com/_UploadFile/Images/file/59742142715.pdfIn PDF document text
  • http://epoxidice.ro/mm/file/67347160523.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/lodolisuvizixaxiziluwasa.pdfIn PDF document text
  • http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/160f06afc65f75---9034696031.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/nsgm8rmn7es4hji9tahf9r0hqa/zitekawuxut.pdfIn PDF document text
  • http://mu-rrrc.com/userfiles/file/27277166280.pdfIn PDF document text
  • http://thingsantiquesla.com/userfiles/files/37320202156.pdfIn PDF document text
  • http://timnhanhonline.com/upload/files/59735093262.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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