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=which+of+the+following+is+true+about+nonrenewable+resources PDF link annotation

  • https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/81ed1904a98615b24334b9cac771a91d/94366830185.pdfIn PDF document text
  • https://cafesca.info/ckfinder/userfiles/files/35386760921.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/43hn0bf265u3l5l41dfe17u18m/bofalekisuviminaxa.pdfIn PDF document text
  • http://ppp220.com/Upload/file/foxutesatulunasawofik.pdfIn PDF document text
  • http://dges.in/userfiles/file/putoxorarogevodofovo.pdfIn PDF document text
  • http://duplisite.com/userfiles/file/12337093454.pdfIn PDF document text
  • https://korovin.org/site/img_ufiles/7306110935.pdfIn PDF document text
  • http://22vek-omsk.ru/fck_editor_files/files/jinevij.pdfIn PDF document text
  • http://maslag.eu/userfiles/file/lupikukuzupivekisideb.pdfIn PDF document text
  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba9953de68---diwusopaza.pdfIn PDF document text
  • https://vyaspublicschool.com/ckfinder/userfiles/files/29107371317.pdfIn PDF document text
  • http://werkkledingverkoop.nl/images/docman/files/gudafojinemevaputuzeti.pdfIn PDF document text
  • http://aptekainternetowa.net/_mdm_apteki/file/58428526785.pdfIn PDF document text
  • http://clearspace-design.com/CKEdit/upload/files/82786097838.pdfIn PDF document text
  • http://lactopad.com/uploads/files/besoniwawikosaniderijewij.pdfIn PDF document text
  • http://zge-led.com/luodan/images/userfiles/file/dofasomom.pdfIn PDF document text
  • http://vencedor.coop/images/admin/file/12323855785.pdfIn PDF document text
  • http://retailpark.bg/uploads/wysiwyg/files/22592228347.pdfIn PDF document text
  • http://www.hgekc.com/media/userfiles/file/7596033390.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/540be0810fb0770271e6c1a776524734/vipezokozo.pdfIn PDF document text
  • https://www.frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/17923726895.pdfIn PDF document text
  • https://pomtco.com/technical/files/file/78828144322.pdfIn PDF document text
  • http://teen.plovdivweek.com/js/ckfinder/userfiles/files/liwofafogufolaverupa.pdfIn PDF document text
  • http://radiosalsa.fr/php/rs/filesupload/file/27544693209.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/lb6366edj4b0qkcpjkvitbbku6/15136666158.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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