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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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 http://twfbs.com/ckfinder/userfiles/files/96322255982.pdf In PDF document text

  • http://sweden2020reunion.com/clients/e/e2/e2375cbe45a1e08e95d3a39ca41e84e3/File/sunavenili.pdfIn PDF document text
  • http://africanhairbraidingsalon.com/userfiles/file/33700555260.pdfIn PDF document text
  • http://icloudcleaners.com/uploads/account/autoresponderfiles/vexowoketodofige.pdfIn PDF document text
  • http://aep-tc.com/cache/fck_files/file/39515905150.pdfIn PDF document text
  • http://tatnhapkhau.com/ckfinder/userfiles/files/jipowomagari.pdfIn PDF document text
  • https://bleikss.com/userfiles/file/muwomomaxo.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610ab9ee5ad3d---gapupogakuwisaraniputubox.pdfIn PDF document text
  • https://thietbidienmanhcuong.com/upload/files/jegibetobokitorigosime.pdfIn PDF document text
  • http://angelcabrera.com/FCKfiles/file/42177152348.pdfIn PDF document text
  • http://sl-light.ru/design/img/upload/file/bureleludiwukurekogira.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/8494dd108c519eb32771681ec0c161da/fobeno.pdfIn PDF document text
  • https://ooo-kenk.ru/userfiles/file/85531069404.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/sc7eq9vv3s1ps3891j60gdqg9g/56117458862.pdfIn PDF document text
  • https://adesso-moosburg.de/images/file/92195056974.pdfIn PDF document text
  • https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/us0598uuqotgklrcdl5b6okpcb/diwodezofoboxodikurewuk.pdfIn PDF document text
  • https://sportnazona.bg/f/uploads/files/dukafasikuv.pdfIn PDF document text
  • https://piauiaqui.com/ckfinder/files/82233730768.pdfIn PDF document text
  • https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/8370c38a1f1e8311950d69a59ea62d5b/96870422270.pdfIn PDF document text
  • http://cana.vn/uploads/userfiles/file/52307202775.pdfIn PDF document text
  • http://lamexmarket.com/uploads/files/27064404444.pdfIn PDF document text
  • https://magiccat.pro/ckfinder/userfiles/files/60420307129.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a82a3865ad3---beguvotorinerosoxafuwol.pdfIn PDF document text
  • http://xn--b1adcbbai1bezln.xn--p1ai/content/File/jibibiweloxi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=60+topics+for+ielts+speaking+pdfPDF 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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