Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dd9cdbe3a2b2a86…

MALICIOUS

PDF

303.1 KB Created: 2022-02-24 05:47:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-26
MD5: 78caa0eab2823ff301ca875f04ae23fb SHA-1: 6455079bca5d9c29841bb2800d119109b2cd67c7 SHA-256: 3dd9cdbe3a2b2a86c0bb9aa66d5fe14b80a1e1a59269627a0a04a989cd83b7e4
164 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7484

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • QR-code redirect lure medium SE_QR_LURE
    Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
  • 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 https://norin.co.za/XSRYdR1H?utm_term=housework+worksheet+isl PDF link annotation
    • http://nfc-lampang.com/user_img/files/vosovisejexiduvirokopi.pdfIn PDF document text
    • http://www.pavimentosyreformasferlu.es/ckfinder/userfiles/files/tegurogetadivurirotojufuv.pdfIn PDF document text
    • http://connectcontrol.net/files/userfiles/files/zotujafetifubof.pdfIn PDF document text
    • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/16196f0f925ff0---zikesanatezefu.pdfIn PDF document text
    • https://webaruhaz.solar-napkollektor.hu/js/ckfinder/userfiles/files/xejagajewomufomupoxudidon.pdfIn PDF document text
    • http://gramercy-grand.ru/files/file/kodirizekedanukagive.pdfIn PDF document text
    • https://trystsalonri.com/images/file/26319728745.pdfIn PDF document text
    • http://dorinhawear.com/admin/fckeditor/editor/filemanager/connectors/php/fckeditor/editor/filemanager/connectors/php/userfiles/file/mutelevi.pdfIn PDF document text
    • https://ankaratutuncu.com/panel/kcfinder/upload/files/97447830499.pdfIn PDF document text
    • http://ecolservizinettuno.com/userfiles/files/92715128386.pdfIn PDF document text
    • http://www.parkhillhigh.co.za/kcfinder/upload/files/bufotagizituf.pdfIn PDF document text
    • https://marblobaths.com/app/webroot/img/files/sanabadutope.pdfIn PDF document text
    • https://takitech.hu/userfiles/file/suduj.pdfIn PDF document text
    • http://coolscape.info/images/files/6109930166.pdfIn PDF document text
    • http://ariege.proximeo.com/ckfinder/userfiles/files/54720193517.pdfIn PDF document text
    • http://congseng.com/uploadfile/files/21586041088.pdfIn PDF document text
    • http://way-of-spirit.ru/upload/file/39990322002.pdfIn PDF document text
    • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613b5e99a48f1---lubijizatalife.pdfIn PDF document text
    • https://www.uncme.org.br/Gerenciador/kcfinder/upload/files/velivijirojefedibezeko.pdfIn PDF document text
    • http://www.atad.ae/emanager/assets/ckeditor/plugins/kcfinder/upload/files/67630264315.pdfIn PDF document text
    • http://cyuanmei.com/userfiles/file/88655538123.pdfIn PDF document text
    • http://adria-ex.com/images/blog//file/20684701355.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000438c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x438C7 16220 bytes
SHA-256: 207eb3b51995adbdef2a766e0364e2c2ee182a7f0f0647c12a4a3807efc046f6
font_01_sfnt_off00044eab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x44EAB 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off000465c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x465C6 18632 bytes
SHA-256: f40f5f2e5ec48a2797cc7be662d77d5ac0f3985b00fb11c0afecd26104bf643d
font_03_sfnt_off0004964e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4964E 10208 bytes
SHA-256: 086c06306faba4fd68e75905037fe1c1355b6c2d544c935aa12e913c7bf63c4b

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