Malicious PDF — malware analysis report

Static analysis result for SHA-256 478957a35ababf2c…

MALICIOUS

PDF

408.6 KB Created: 2021-12-21 19:56:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: 3bf38a9d52dcf0faaa8f815644058bb5 SHA-1: 52c2d1f34cd39bb2cf1be76baab00f8bbf8e89c6 SHA-256: 478957a35ababf2c54443f2cccafd312fda8dd10f80427e99bf0f5e031377863
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7197

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 http://www.bauernmusikkapelle-stjohann.at/CMS/ckeditor/kcfinder/upload/files/18440828962.pdf In PDF document text
    • https://xrtradingfeedback.com/cmsimages/file/58520292629.pdfIn PDF document text
    • https://wecareprogram.org/images/file/wagamosazuzisomobapalape.pdfIn PDF document text
    • http://zenpersonnel.com/UserFiles/file/78216930043.pdfIn PDF document text
    • http://9262895.ru/ckfinder/userfiles/files/12618405368.pdfIn PDF document text
    • https://gazdalkodjokosan.hu/img/userfiles/file/xasasatunudakomige.pdfIn PDF document text
    • https://feketemeheszet.hu/UserFiles/File/piwivozumaxe.pdfIn PDF document text
    • http://xlzfloor.com/uploadfile/fckedit/file/1639800617kQwy.pdfIn PDF document text
    • http://gdgom.com/upload/file/210914120724818108rifdaagfsimz.pdfIn PDF document text
    • https://karate2.cdmedia.pl/userfiles/file/wuvowaw.pdfIn PDF document text
    • https://alihuata.com/userfiles/file/18598719579.pdfIn PDF document text
    • http://www.zywawiara.pl/pliki/83921348958.pdfIn PDF document text
    • https://viktorina.ledoritulys.lt/files/41337036998.pdfIn PDF document text
    • https://tradingphrases.net/userfiles/files/65135844073.pdfIn PDF document text
    • http://xn--12cmi2byac9cdhd0hra6d7bxkwbgj1gch.com/user_img/files/37695868403.pdfIn PDF document text
    • http://www.wcd.com.tw/ezadmin/ckfinder/userfiles/files/16197784031.pdfIn PDF document text
    • http://jx4d.com/userfiles/file/lobebevizezixa.pdfIn PDF document text
    • http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/99397689714.pdfIn PDF document text
    • http://boras-sjuharad.boj.se/uploads/userfiles/files/fobasixafo.pdfIn PDF document text
    • http://mobitransjogja.com/files/73204457393.pdfIn PDF document text
    • http://bjxbw.cn/userfiles/file/reselezasopekuwa.pdfIn PDF document text
    • http://cataga.de/beta/files/file/43434411495.pdfIn PDF document text
    • http://connectcontrol.net/files/userfiles/files/7952348995.pdfIn PDF document text
    • http://lamorenj.com/userfiles/file/nizovigos.pdfIn PDF document text
    • https://hlj-vibration.com/uploads/image/20211105/files/20211105071505.pdfIn PDF document text
    • http://pusancard.com/userData/board/file/58582184358.pdfIn PDF document text
    • http://feedproxy.google.com/~r/Xvkpad/~3/BGAemAmcdTc/uplcv?utm_term=cells+and+their+organelles+answer+worksheetPDF 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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005f7e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F7E2 16784 bytes
SHA-256: 56be8948f3c1d787d72d206442adf5260e51ebedfbfacaee9163476b2d95d02a
font_01_sfnt_off0006237c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6237C 10736 bytes
SHA-256: c5b01f0c4596299f437f3011624aec77d7ee57e06a6f28c609e14ae4b5e8373b
font_02_sfnt_off00063bf6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63BF6 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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