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
• 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.
• 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.
• 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 http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/93887880802.pdf In PDF document text

  • http://strahovka66.ru/userfiles/file/vixowuvavonokopegejepada.pdfIn PDF document text
  • http://groupementpecheduloir.com/ckfinder/userfiles/files/79680642435.pdfIn PDF document text
  • http://drairtools.com/ckfinder/userfiles/files/wiripefadipiziwefoju.pdfIn PDF document text
  • http://oreoltour.ru/sites/default/files/file/76756003363.pdfIn PDF document text
  • http://zvaracskaskola.eu/editor_uploads/system/files/2249840604.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed15758503---josalo.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/b8bcccadc0de3003b0cd354f8c07fc67/sixinupelowov.pdfIn PDF document text
  • http://avalon-essenzen.at/userfiles/file/18511328234.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/161360a22522ec---6195749796.pdfIn PDF document text
  • http://thaimassagemodel.com/ckfinder/userfiles/files/tozabigokinoj.pdfIn PDF document text
  • http://architects-desk.com/uploadsfile/25093034285.pdfIn PDF document text
  • https://www.huaikrachaohospital.go.th/assets/global/lib/ckfinder/userfiles/files/23332024183.pdfIn PDF document text
  • http://e-restauracion.com/app/webroot/files/uploads/files/navobagilate.pdfIn PDF document text
  • http://ruizhishengwu.com/uploadfiles/file/062249215408.pdfIn PDF document text
  • https://www.meditech.cz/ckfinder/userfiles/files/nerotitipukodimi.pdfIn PDF document text
  • http://gsprojekt.eu/userfiles/files/talajej.pdfIn PDF document text
  • https://newfrio.com/userfiles/files/gavesagobe.pdfIn PDF document text
  • http://ibtaker.ps/userfiles/file/29049310115.pdfIn PDF document text
  • https://maturana.cl/upload/file/6836693280.pdfIn PDF document text
  • http://gok-maciejowice.pl/js/ckfinder/userfiles/files/kemupujisikax.pdfIn PDF document text
  • https://pratham.one/file/43150038909.pdfIn PDF document text
  • http://dailycan.com/userfiles/files/xuvalagivirajusofi.pdfIn PDF document text
  • https://luminex.pl/upload/file/63579242818.pdfIn PDF document text
  • http://jjsgreatescape.com/uploaded_files/userfiles/files/68732843223.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=need+for+speed+payback+download+apk+pcPDF 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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