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 69 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://queure.ru/uplcv?utm_term=retro+games+for+android+free+download PDF link annotation

  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/u8g322cl16odur13t07jjrup9s/76407676122.pdfIn PDF document text
  • http://kondicionery-lubertsy.ru/upload_picture/file/52672864430.pdfIn PDF document text
  • https://digitaldaya.com/imagenes/file/vavimoso.pdfIn PDF document text
  • https://kochitaxirental.com/ckfinder/userfiles/files/forodexitoxapanepub.pdfIn PDF document text
  • http://agrocare.hu/ckfinder/userfiles/files/23259276983.pdfIn PDF document text
  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613d287b06968---pazoxamutet.pdfIn PDF document text
  • http://drivescuolaguida.it/userfiles/files/kexofogujukaruboxelo.pdfIn PDF document text
  • http://slsnn.ru/content/files/36194854769.pdfIn PDF document text
  • http://circolosilverblufitnessclub.eu/userfiles/files/xupozi.pdfIn PDF document text
  • http://irollee.com/userfiles/file/xivoweviwubob.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613786c8731ed---64530884377.pdfIn PDF document text
  • http://hasdeu.md/data/userfiles/files/vumaxanotasuwovufavenuw.pdfIn PDF document text
  • http://dorapeyzaj.com/userfiles/file/95832509626.pdfIn PDF document text
  • http://theflowermaker.com/uploads/File/futejafemolozemafukisinub.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/laogb064pib63th0arrp2nkk47/gawovakuxukomizeg.pdfIn PDF document text
  • http://fotografiafrancescosomma.com/userfiles/files/pedakavutal.pdfIn PDF document text
  • https://everestart.com/images/stories/file/51607875116.pdfIn PDF document text
  • http://xn--80aejmo0alc.xn--p1ai/ckfinder/userfiles/files/4001130153.pdfIn PDF document text
  • http://giasuthienphuc.com/Images_upload/files/xononoxi.pdfIn PDF document text
  • http://ets-sptk.ru/pic/file/xakodafedig.pdfIn PDF document text
  • http://keacg.com/upload/files/bojukolurapoxivisixi.pdfIn PDF document text
  • https://thietbivesinhanhhuy.com/asset/files/kuregopukupoza.pdfIn PDF document text
  • http://moriefrusca.com/userfiles/files/7479395302.pdfIn PDF document text
  • https://anthonygillant.com/userfiles/file/64891913611.pdfIn PDF document text
  • http://nineslash.com/user_file/file/logokuwamaneloputizofib.pdfIn PDF document text
  • https://lapdonline.org/file/8996818724.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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