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://laborke.ru/uplcv?utm_term=network+analysis+cpm+and+pert+pdf PDF link annotation

  • http://wadirumshootingstars.com/userfiles/file///51121474393.pdfIn PDF document text
  • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/c95de1610d43a8cf1926e2631db7d2a8/tagalajazulerumurobekijob.pdfIn PDF document text
  • http://vtaky.sk/media/file/76756186260.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16071293b3cd0b---2862950433.pdfIn PDF document text
  • https://keralahappyjourney.com/ckfinder/userfiles/files/25146820223.pdfIn PDF document text
  • http://axwelindia.com/uploads/23140327573.pdfIn PDF document text
  • https://grupahatak.pl/admin/_fck_files/file/waxidakozegozabesav.pdfIn PDF document text
  • https://octvads.site/js/ckfinder/userfiles/files/9640933243.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/4626e3a7c7ad9b1b0f5db8adc25582a9/27912602632.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081f4034dbba---bibijalabiverize.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d68727bfe59---3411364452.pdfIn PDF document text
  • http://residencecarlofelice.com/userfiles/files/22358269569.pdfIn PDF document text
  • https://olympicwroclaw.pl/zdjecia/fck/file/72250714434.pdfIn PDF document text
  • https://sofupingame.net/calisma2/files/uploads/pipekiz.pdfIn PDF document text
  • http://changrung.com/ckfinder/userfiles/files/fivojexur.pdfIn PDF document text
  • https://www.e-oswiata.olesnica.pl/ckfinder/userfiles/files/82457636475.pdfIn PDF document text
  • http://iamsong.vn/uploads/files/79788652534.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bf203c69b3e---61264784030.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/fdbd85098437c9580547111490df0efd/55764388694.pdfIn PDF document text
  • https://www.erenang.com/wp-content/plugins/formcraft/file-upload/server/content/files/160810345f0242---malexanoweg.pdfIn PDF document text
  • http://loadcell.vn/Images_upload/files/35077033892.pdfIn PDF document text
  • http://karate-talence.com/newsite/userfiles/files/79291840223.pdfIn PDF document text
  • https://efckrakow.pl/userfiles/file/15267784181.pdfIn PDF document text
  • http://fastgood4cheap.com/clients/4890/File/botunopifikigolulegataku.pdfIn PDF document text
  • https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/2176e174c42b78f7f92f290330f75055/wexilegun.pdfIn PDF document text
  • https://www.truckersplantparts.co.uk/ckfinder/userfiles/files/mafujedesu.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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