Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://coretry.ru/uplcv?utm_term=win+7+activator+exe PDF link annotation

  • http://bscartridge.com/pic/83088388029.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/16132814cc2eb2---37593757803.pdfIn PDF document text
  • https://jyapa.com/jhuoyue/uploadfiles/39405003639.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cd7fd4b23d---manezegaxufap.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16139656607939---54318214463.pdfIn PDF document text
  • https://samudra99.com/contents/files/70864859266.pdfIn PDF document text
  • http://www.ecvbrass.ch/user/web/file/resugalenowivijif.pdfIn PDF document text
  • http://ozkayalartrans.com/userfiles/file/tarobatujewimuneral.pdfIn PDF document text
  • https://nichecnk.leaddeehub.com/userfiles/files/nuvofotubemamurasinarubis.pdfIn PDF document text
  • http://mfcpavpos.ru/file/11264581186.pdfIn PDF document text
  • http://henskeschildersbedrijf.nl/upload/furazalutodisogi.pdfIn PDF document text
  • http://vindindex.nl/images/uploads/86769827511.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16137bd1136527---narobataz.pdfIn PDF document text
  • http://epwuae.com/userfiles/file/siwis.pdfIn PDF document text
  • http://cappellastudio.it/userfiles/files/25758863992.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161380851e1953---55438938910.pdfIn PDF document text
  • http://szentistvanpatika.hu/upload/file/33888313125.pdfIn PDF document text
  • http://raczcsalad.hu/files/86699345107.pdfIn PDF document text
  • http://business-plan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/14207029196.pdfIn PDF document text
  • http://bluecreator.biz/ckfinder/userfiles/files/48362647529.pdfIn PDF document text
  • https://triyoga-tv.ru/userfiles/file/83474999980.pdfIn PDF document text
  • https://uleiuri.ro/userfiles/file/74637248818.pdfIn PDF document text
  • https://estduquebec.com/scripts/php/xenocode/lib/ckfinder/userfiles/files/36228882964.pdfIn PDF document text
  • http://warwick-ems.org/userfiles/file/fubizuso.pdfIn PDF document text
  • http://ttc-investco.com/img/files/savep.pdfIn PDF document text
  • http://njchemland.com/upload/files/23470018854.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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