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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://crysiq.ru/uplcv?utm_term=gta+mobile+for+android PDF link annotation

  • https://specializedfacilitymgt.com/public_html/userfiles/file/92186643700.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/b5c37bf97ec33db1c73ad8bd5d1ba7c3/20214335237.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf139b6a2e---43944027324.pdfIn PDF document text
  • http://karthikeyanjayaram.in/userfiles/file/lokuxexewawosuxiwesoje.pdfIn PDF document text
  • https://doublehair.center/upload/ckfinder/files/23937569970.pdfIn PDF document text
  • http://iuf.kr/pds_down/files/65667927900.pdfIn PDF document text
  • http://retailpark.bg/uploads/wysiwyg/files/85838654576.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/83f443a7763e843eda0558ce99576a87/vemogifit.pdfIn PDF document text
  • http://hypotekaprezamestnancov.sk/res/file/ramanevokidi.pdfIn PDF document text
  • http://www.zywawiara.pl/pliki/92939395277.pdfIn PDF document text
  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee10646406---49053169545.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/b0fdcu0ibgkpsin3igm2tgur85/94498591112.pdfIn PDF document text
  • https://www.agencesramos.com/ckfinder/userfiles/files/22669193532.pdfIn PDF document text
  • http://hkalc.com/userfiles/97626102267.pdfIn PDF document text
  • http://alpanelektrik.com/depo/sayfaresim/file/takupitenupobepexamiwupe.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613f432553fea---xumefaduzetis.pdfIn PDF document text
  • http://connect-event.fr/ckfinder/userfiles/files/vekadotozudemevofa.pdfIn PDF document text
  • http://ingpiazza.eu/userfiles/files/23913631033.pdfIn PDF document text
  • http://studiobardinisrl.com/userfiles/files/28930565763.pdfIn PDF document text
  • http://www.cemeba.com/uploads/ckfinder/files/tarokebomalolivaxuso.pdfIn PDF document text
  • http://ecosdaliberdade.com/ckfinder/userfiles/files/61049262172.pdfIn PDF document text
  • http://juha.be/_files/file/womoranutasoludanuwade.pdfIn PDF document text
  • http://canadianrockies.ca/files/file/49376449137.pdfIn PDF document text
  • http://paraleumarian.ro/app/webroot/files/userfiles/files/zaporilugor.pdfIn PDF document text
  • https://cailux.lu/userfiles/files/16363479575.pdfIn PDF document text
  • http://mega-gold.com/userfiles/files/98101599198.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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