Malicious PDF — malware analysis report

Static analysis result for SHA-256 42582f1f926a7e84…

MALICIOUS

PDF

324.5 KB Created: 2021-12-26 12:26:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: 3be7fe53369b29a6e0ffa6b437165bfd SHA-1: 65789693ee21b605aee8c390d28a13435c357328 SHA-256: 42582f1f926a7e8466bdadfef64603171edd0642c4b5837e9ce62ede9455de73
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8005

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://philabc.ru/uplcv?utm_term=ncrb+vahan+samanvay+report PDF link annotation
    • https://salvatoredivilio.it/userfiles/file/89138556874.pdfIn PDF document text
    • http://solamsys.com/userData/board/file/mivuv.pdfIn PDF document text
    • http://sasolution.kr/userfiles/file/wixixuxerojewevutife.pdfIn PDF document text
    • https://www.willmarshelter.com/ckfinder/userfiles/files/1687956583.pdfIn PDF document text
    • http://thriftstorewebsites.com/flash/thriftstorewebsites.com/file/dapadekatok.pdfIn PDF document text
    • https://www.speeddating.lt/speeddating/ckfinder/userfiles/files/67151105050.pdfIn PDF document text
    • http://tinhotsaigon.com/uploads/files/14445153267.pdfIn PDF document text
    • https://huanghecables.com/d/files/8793188306.pdfIn PDF document text
    • http://lehnerkom.de/images/uploaded/file/34901997134.pdfIn PDF document text
    • http://yejiya.com/userfiles/file/pexiduvuxusadukogenazota.pdfIn PDF document text
    • http://tipsclubcr.com/campannas/file/xomanatidewa.pdfIn PDF document text
    • https://etest.vn/app/webroot/uploads/files/19900864841.pdfIn PDF document text
    • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1615186569c287---lepaxar.pdfIn PDF document text
    • http://smartpaintingplus.com/userfiles/files/givazajerotukedotoduw.pdfIn PDF document text
    • http://jss-moms.si/upload/File/30893650003.pdfIn PDF document text
    • http://poptheme.cn/uploadfile/files/20210909_161735.pdfIn PDF document text
    • http://expertsystemgroup.com/file_media/file_image/file/valobojodija.pdfIn PDF document text
    • https://jackyrouxmethode.com/userfiles/file/18223095294.pdfIn PDF document text
    • https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/6c9t1nb4534pr3pmiggag6vir0/rupefiweriz.pdfIn PDF document text
    • http://chukysovin.com/img-svc/files/97133861584.pdfIn PDF document text
    • https://www.tahitotfalu.hu/ckfinder/userfiles/files/kidovulewitepovofexeloj.pdfIn PDF document text
    • http://meuble-tunisie.com/userfiles/file/39498879290.pdfIn PDF document text
    • http://mytrangroup.com/uploads/userfiles/file/vorifuxidag.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_off0004a89c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A89C 16800 bytes
SHA-256: 413b18b1d6a2f2d85a091197810cc1265fc94bc29ada0082483fa688f56abb92
font_01_sfnt_off0004d440.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4D440 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off0004eae4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4EAE4 10796 bytes
SHA-256: 6ce9eed1655a3b29703015a3ee53bd419c97989c86ff086631bc8959252826e0

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