Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://fluffy-chins.com/images/file/61481553035.pdf In PDF document text

  • http://thestarbusan.net/FileData/ckfinder/files/20210919_4F0C7F826CDFE495.pdfIn PDF document text
  • http://yves-segers.be/userfiles/files/waxigezexe.pdfIn PDF document text
  • http://beiwendq.com/data/attachment/file/xomefegakididep.pdfIn PDF document text
  • http://ahkkpcm.org/userfiles/5846147309.pdfIn PDF document text
  • http://enidental.com/userfiles/file/20210902183231.pdfIn PDF document text
  • http://tamlaproject.com/userData/board/file/96574642283.pdfIn PDF document text
  • https://thanaclusterwestgate.leaddeehub.com/userfiles/files/61021545859.pdfIn PDF document text
  • http://sov.tranovice.org/webpagebuilder/ckfinder/userfiles/files/wefunipokeruzu.pdfIn PDF document text
  • http://righetti-ticozzi.it/userfiles/files/41975524458.pdfIn PDF document text
  • http://garage-ys.info/js/upload/files/rewanuzomatelube.pdfIn PDF document text
  • http://bindashnews.com/userfiles/file/45950134211.pdfIn PDF document text
  • https://alpinebadmintonacademy.com/ckfinder/userfiles/files/32879912060.pdfIn PDF document text
  • http://woykoff.hu/upload/file/42480087261.pdfIn PDF document text
  • https://eyetracking.pl/userfiles/file/rakegux.pdfIn PDF document text
  • http://area100impianti.it/userfiles/files/2925873302.pdfIn PDF document text
  • http://baldonimarcostudio.eu/userfiles/files/14565735659.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/48d1c747d4248abe8a069edaa237604f/98602436772.pdfIn PDF document text
  • http://tianjin.relieved007.cn/upload/files/9940345654.pdfIn PDF document text
  • https://bdata.vn/upload/files/lujejijake.pdfIn PDF document text
  • http://baoveantam.info/upload/files/75593350499.pdfIn PDF document text
  • https://perfecthospitals.org/ckfinder/userfiles/files/bopijeguxulinakujabibim.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/c072272fbbe7973fce34c070c00d63bc/6626534909.pdfIn PDF document text
  • https://www.frontiermea.com/sites/all/libraries/ckfinder/userfiles/files/71858723021.pdfIn PDF document text
  • http://huonglonghotel.com/uploads/image/files/xumer.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=saw+8+full+movie+freePDF 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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