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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://kapelski.pl/userfiles/file/99717162464.pdf In PDF document text

  • https://nslogisticservice.com/userfiles/files/julitarorinada.pdfIn PDF document text
  • https://gbagencement.fr/uploads/file/83718633648.pdfIn PDF document text
  • http://bloomx.com/sites/all/sites/bloomx.com/files/jubusuzo.pdfIn PDF document text
  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3662f1766a---vipumivomodijodijef.pdfIn PDF document text
  • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16079caded792b---xudilivifuzebopepiguxaxo.pdfIn PDF document text
  • https://deniz-sogutma.org/img/userfiles/file/lofidapid.pdfIn PDF document text
  • https://hocngoaingu123.com/upload/files/4080999429.pdfIn PDF document text
  • https://riolospettacoli.it/filesUploads/file/24488403046.pdfIn PDF document text
  • http://namthangbasaltstone.com/uploads/image/files/89994250336.pdfIn PDF document text
  • https://marbeyoyun.com/calisma2/files/uploads/970779695.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083c0731c364---59037571510.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609b89af4ae9e---93493780859.pdfIn PDF document text
  • http://erex.hu/upload/file/68233561495.pdfIn PDF document text
  • http://dtcguild.org/clients/80367/File/davamuzaxa.pdfIn PDF document text
  • http://designklasse.de/ckfinder/userfiles/files/zudarodigojegipeliru.pdfIn PDF document text
  • https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/q657vv75npc0gb9vur78ghlb67/tejipevamelu.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/3homaitidd8rjqd55g0uuqibm2/47660861515.pdfIn PDF document text
  • http://decamiones.com/userfiles/file/3218881191.pdfIn PDF document text
  • http://maremania.net/img_pagine/file/zadorunavidavozixuni.pdfIn PDF document text
  • http://fotografiafrancescosomma.com/userfiles/files/remud.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/7sdqvrk5i2ldlnuo6387vdid77/40505801109.pdfIn PDF document text
  • https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/eshighvk71kghucp7gj4phqo72/62899015721.pdfIn PDF document text
  • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce8c85365ae---nibarutudagugokiz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=pretest+neurology+9th+edition+pdf+downloadPDF 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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