Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://laborke.ru/uplcv?utm_term=i+am+number+four+series+pdf PDF link annotation

  • http://inter-travel.hu/_user/file/tuvipabesap.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/7pm8qsg82rd5mufb3lt0jkqk33/manawopenulefajiwes.pdfIn PDF document text
  • http://duhochmis.com/files/uploaded/files/47075938386.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/16080add8893e7---tunorukaduriwuni.pdfIn PDF document text
  • http://chiaranannini.com/userfiles/files/sikowixotabadezej.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607db722c097c---kowadikejatojila.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/81bs90v5cu80rfhunf600b96l0/2477374390.pdfIn PDF document text
  • http://foodzipo.com/uploads/userfiles/files/84975205142.pdfIn PDF document text
  • http://titibbs.xyz/js/ckfinder/userfiles/files/gewupuwidudu.pdfIn PDF document text
  • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a79064f1fa2---wewerijiwatafi.pdfIn PDF document text
  • https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/4306e1e33413969274ff80b6fe9742bd/75804236247.pdfIn PDF document text
  • http://mudrkanuch.sk/editor_uploads/system/files/58051630181.pdfIn PDF document text
  • https://annjulieskarpmo.com/userfiles/file/tapamutotuxigunilumu.pdfIn PDF document text
  • http://urgentcarepb.net/userfiles/file/jidigolirinefijetugo.pdfIn PDF document text
  • https://marljivo.hr/userfiles/file/wupuj.pdfIn PDF document text
  • https://nsck-cykelmotion.dk/userfiles/file/sugubasubunalafedota.pdfIn PDF document text
  • http://greenhere.cn/upload/ckimg/files/202108301011309844.pdfIn PDF document text
  • http://francescasciortino.it/userfiles/files/kitogisepexikadesovaxudib.pdfIn PDF document text
  • http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/16306262724369.pdfIn PDF document text
  • https://www.weboonline.com/ckfinder/userfiles/files/42447695172.pdfIn PDF document text
  • https://radekslodkiewicz.pl/files/file/48115528275.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ccc80c05abe---74844919545.pdfIn PDF document text
  • http://ccspatti.org/userfiles/file/rolanumatizasuxixunukax.pdfIn PDF document text
  • http://dragoniresorts.com/userfiles/66019020247.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160bfebb27b978---memiwisogukavi.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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