Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e5004c4d47264f…

MALICIOUS

PDF

71.8 KB Created: 2021-09-24 22:44:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: 6e897fb85c9964d08415d7ec615f710d SHA-1: 57896231515e000a6302ac8e372787565b1cc056 SHA-256: d3e5004c4d47264f75d191138a2efcbb491bd4ad6cb1d9d395d96b04b7f3ec17
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9837

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://hiace-yoshikawa.com/js/upload/files/gafesinigurazazafewosi.pdf In PDF document text
    • http://bularz-auto.pl/images/userfiles/file/komesitedabakuvu.pdfIn PDF document text
    • https://edubox.mn/uploads/users/0/files/mixote.pdfIn PDF document text
    • http://www.adarshvidhyasankul.org/userfilesfile/533220928.pdfIn PDF document text
    • https://cristalparkhotel.com.ve/ckfinder/userfiles/files/depitoboxafironowaxe.pdfIn PDF document text
    • https://www.vpn-solutions.com.pe/ckfinder/userfiles/files/purepekininejanit.pdfIn PDF document text
    • https://danielstrehlau.com/userfiles/file/78470922412.pdfIn PDF document text
    • https://bachson.net/upload/file/80994411172.pdfIn PDF document text
    • http://93564497.com/userfiles/35148343297.pdfIn PDF document text
    • http://auburn-properties.com/userfiles/files/lubafeniripasoz.pdfIn PDF document text
    • https://journalofcritique.com/ckdosyalari/upload/files/jigodipelutajaz.pdfIn PDF document text
    • http://agt.es/files/galeria2/files/44981095153.pdfIn PDF document text
    • http://asliev.coco1490.com/upload/file_folder/file/vejubosixu.pdfIn PDF document text
    • http://datong-travel.tw/upload/ckeditor/files/20210924065659.pdfIn PDF document text
    • http://mpu-beratung-brendle.de/userfiles/file/9160356449.pdfIn PDF document text
    • http://tridiart.cl/ckfinder/userfiles/files/32234196651.pdfIn PDF document text
    • https://amigo-shop.105h.net/upload/files/jabamulesedifuvasuwinigo.pdfIn PDF document text
    • http://zabradli-znerezu.cz/userfiles/file/82141828586.pdfIn PDF document text
    • http://laboratoriologos.it/userfiles/files/72041888841.pdfIn PDF document text
    • http://b40555.handyfriendship.com/upload/files/49101878139.pdfIn PDF document text
    • https://woft-dining.com/webroot/editor-uploads/files/diriteli.pdfIn PDF document text
    • https://posh.hr/files/92778478863.pdfIn PDF document text
    • http://wych123.com/upload/files/tufonexepu.pdfIn PDF document text
    • http://animalscipublisher.com/files/upfiles/file/40523029265.pdfIn PDF document text
    • https://apteka-wratislavia.pl/halatecza/userfiles/file/pujolupomagiwarifesaveze.pdfIn PDF document text
    • http://bienbao.net/uploads/files/xerevi.pdfIn PDF document text
    • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613aabce96fa8---vobumo.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=how+do+i+put+my+tablet+back+to+factory+settingsPDF link annotation
    • http://zs.tom.ru/jsplugins/ckfinder/userfiles/files/bugupeposovipop.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b515.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB515 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000cd2c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD2C 11484 bytes
SHA-256: 1ea1f6755f212396b87eabba34f527f1f6d5fc90caf23f6f93d48e2ec3f5f0a6
font_02_sfnt_off0000e7f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7F5 16328 bytes
SHA-256: 056c79c9861b9db55e758815480d4c7bb6945617df902f54aabb59169aadd726

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