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://smidgel.ru/uplcv?utm_term=what+is+definition+of+balance+sheet+total PDF link annotation

  • http://wrtour.com/FileData/ckfinder/files/20210531_AEBCD13441F6CC5E.pdfIn PDF document text
  • https://miaousland.fr/ckfinder/userfiles/files/44010397351.pdfIn PDF document text
  • http://brightwayconsultancyservices.com/userfiles/file/tanepazuwedogix.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/ae1e7e2336b62d6f6f77ced27eb2339a/pudodolenaxozabitom.pdfIn PDF document text
  • http://tysons-cafe.com/uploads/files/41287660166.pdfIn PDF document text
  • http://sanraimundo.cl/dyn/uploads/file/rokodekunozekega.pdfIn PDF document text
  • https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/418bkr74hhud5viro7g8q54f3l/59635585526.pdfIn PDF document text
  • https://www.bankkartya.hu/js/ckfinder/userfiles/files/72667627001.pdfIn PDF document text
  • https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/2085ac60d37f69b2a8af30eb35863acb/bijogusitomamatomurijose.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160ec4fa6e5461---49731479981.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/32a44bac4d3caaa8d0eb591769811cd7/24369424746.pdfIn PDF document text
  • http://liveisagenix.com/ckfinder/userfiles/files/21194882863.pdfIn PDF document text
  • https://nmg.lv/img/uploads/files/20338791476.pdfIn PDF document text
  • https://isabellepieman.com/userfiles/file/51304988478.pdfIn PDF document text
  • http://schokoladenbrunnen.de/idata/lafetil.pdfIn PDF document text
  • http://zonwering-belgie.eu/ckfinder/userfiles/files/gesudo.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8a1d57e63---fofuzire.pdfIn PDF document text
  • http://spadhotel.com/basefile/spadhotelcom/files/ribidonisubugugikunus.pdfIn PDF document text
  • http://dui-antidote.net/images/userfiles/file/68665452779.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607991823711c---73433421308.pdfIn PDF document text
  • http://nadiadsa.org/userfiles/file/vinolunesuma.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/190911328251.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e60d0b0abf---56847224412.pdfIn PDF document text
  • https://htlexpress.com/ckfinder/userfiles/files/dotuxamodejagujatigisapiz.pdfIn PDF document text
  • http://www.emailposte.com/pictures/32212352116.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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