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://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f30198b80392a4e42b54c240a839dc22/44585111019.pdf In PDF document text

  • http://brandiassociati.it/userfiles/file/juzamamoba.pdfIn PDF document text
  • http://crocepadrekolbe.it/userfiles/files/61861838050.pdfIn PDF document text
  • https://tl-systems.hu/files/files/7932968300.pdfIn PDF document text
  • https://ht-cooling-j3t.com/contents/files/zurarigalatipimu.pdfIn PDF document text
  • https://uetty.xyz/js/ckfinder/userfiles/files/23319237897.pdfIn PDF document text
  • https://jxlmedu.com/file/files/20210718_235305.pdfIn PDF document text
  • https://uppersanduskyrotary.com/cms/files/File/sizepowoda.pdfIn PDF document text
  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075d3e4e072d---62834894691.pdfIn PDF document text
  • http://rotang.net/userfiles/file/pasufavuranu.pdfIn PDF document text
  • http://coalcreekcentenary.com/clients/5/52/52f735e63eff8706e1a2a73a20aef632/File/vinodosi.pdfIn PDF document text
  • https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/81ba0fd30ba03b922442be8b3b21c9b9/21814736952.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1611b38550561c---69731507494.pdfIn PDF document text
  • http://eros-arena-reutlingen.de/eros/userfiles/file/jometirozerimigegiku.pdfIn PDF document text
  • https://synodradomski.pl/userfiles/file/vajigenebidojobovenaja.pdfIn PDF document text
  • http://ckrestaurantgroup.com/ckfinder/userfiles/files/gubomupo.pdfIn PDF document text
  • https://samirkumarpaul.com/ckfinder/userfiles/files/jojitizufexur.pdfIn PDF document text
  • http://first-group.kr/ckupload/files/81459463327.pdfIn PDF document text
  • http://eiak.org/upload/editor/files/59927903877.pdfIn PDF document text
  • http://originalbau.hu/imagesfiles/76877674343.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/phn0uejde3rre60bktt1n34fsb/tojebejepalujilavawotofox.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=coffin+making+and+undertaking+pdfPDF link annotation
  • 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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