Malicious PDF — malware analysis report

Static analysis result for SHA-256 941a7cba5cf109fd…

MALICIOUS

PDF

215.1 KB Created: 2022-01-15 01:24:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-12
MD5: 1b389beaeee80450f62704b655d636c9 SHA-1: 7d0813c8a730a19597b63c3ab27e65ac92a69683 SHA-256: 941a7cba5cf109fd7657bfd045d78c840cd57fb09aa6195bddaa765397ee5726
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7461

Heuristics 5

  • 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.
  • 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://irlanc.ru/uplcv?utm_term=arcore+by+google+apk PDF link annotation
    • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/pjsm7od9d4t5tavechjj17gm41/45762486142.pdfIn PDF document text
    • https://gloriamus.org/Uploads/userfiles/files/mufumipus.pdfIn PDF document text
    • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1615582eba3234---zowus.pdfIn PDF document text
    • http://onlinecommerce.bg/uploads/pages/files/99336304133.pdfIn PDF document text
    • https://alajuusa.ee/media/contents/file/widesodipikoboni.pdfIn PDF document text
    • http://porpora.info/imagenes/imagenes_contenidos///37042947151.pdfIn PDF document text
    • http://przybyszewski.org/image/file/pulawodikaxitez.pdfIn PDF document text
    • https://pollackmihalyiskola.hu/ckfinder/userfiles/files/46921824062.pdfIn PDF document text
    • http://www.psychophonie-tarbes.com/ckfinder/userfiles/files/lamokijoxujalofisavuxer.pdfIn PDF document text
    • http://pretaporter-pegah.com/userfiles/file/53849009073.pdfIn PDF document text
    • http://ndc-group.ru/uploads/files/galulepilar.pdfIn PDF document text
    • https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/75993500290.pdfIn PDF document text
    • http://matemotors.com/userfiles/file/80871074180.pdfIn PDF document text
    • http://hotelamadeustorino.com/userfiles/files/kutib.pdfIn PDF document text
    • http://mtegl.wsystem.sk/userfiles/files/ziwimufejizovo.pdfIn PDF document text
    • https://people11people.gr/uploads/File/zutijegug.pdfIn PDF document text
    • http://techsystem.gr/data/uploads/ckeditor/files/67312213085.pdfIn PDF document text
    • http://verypool.cn/images/upload/File/21611416533.pdfIn PDF document text
    • https://sheenabusesandcoaches.com/userfiles/file/28090069639.pdfIn PDF document text
    • http://altiro.nl/home/tjerk/file/gaxuwobewonup.pdfIn PDF document text
    • https://ibbfvhn.org/recursos/kcfinder/upload/files/kikiwapigoxevek.pdfIn PDF document text
    • http://hisunnychem.com/upload/files/49907920471.pdfIn PDF document text
    • http://vetcasatenovo.it/userfiles/files/sutamikoxibama.pdfIn PDF document text
    • http://sv-orhidea.ru/upload/files/88258130630.pdfIn PDF document text
    • http://d2dgroup.net/upload/files/3257675281.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_off0002cf66.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2CF66 17892 bytes
SHA-256: f616e690254b663e50116ab61aa6f1ce7a7ddf2e8d86f605399558d56625dc44
font_01_sfnt_off0002fdf4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FDF4 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off00031498.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31498 10416 bytes
SHA-256: 8e06552503d2a2b74e7b6dd65efd6b379fc7f64e21394177f1d4f797169d4c09
font_03_sfnt_off00032c1c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32C1C 10736 bytes
SHA-256: 8e7f12c64144708d35d79574eb373b3aa132a224f78c4ed2a528fae6a6188607

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