Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb8bec21456e2428…

MALICIOUS

PDF

261.0 KB Created: 2022-04-01 00:51:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-08
MD5: 3e857b96f570d7b6a07752989faf8883 SHA-1: f8534609e60a1e83ecddb263fa95d38f441a4a85 SHA-256: cb8bec21456e24283808462554d6b449c0442f90163d9f8c77b0c704a399519d
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7525

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://sazunanul.weebly.com/uploads/1/3/4/4/134488017/393d4c32bf.pdf In PDF document text
    • http://mkconline.com/landmark/ckfinder/userfiles/files/weziwavebinukafig.pdfIn PDF document text
    • https://nuwudune.weebly.com/uploads/1/3/4/3/134362296/78465.pdfIn PDF document text
    • http://www.euro-fly.eu/userfiles/files/14953571913.pdfIn PDF document text
    • https://xofilovinavi.weebly.com/uploads/1/3/1/3/131379248/pidesejebunotenu.pdfIn PDF document text
    • https://voledobaseju.weebly.com/uploads/1/3/0/9/130969813/kenel.pdfIn PDF document text
    • https://xuzelakojit.weebly.com/uploads/1/3/4/5/134593048/jutemafeburinuda.pdfIn PDF document text
    • http://reside-realestate.de/user_files/files/xojobazabi.pdfIn PDF document text
    • http://www.its-dph.cz/admin/fckeditor/editor/userfiles/file/sixetumiletusurijuvudig.pdfIn PDF document text
    • https://tagosijotibaza.weebly.com/uploads/1/3/1/4/131407106/5920122.pdfIn PDF document text
    • https://magaxopix.weebly.com/uploads/1/3/4/6/134647228/sifenovujinalepom.pdfIn PDF document text
    • http://secohthailand.com/file_media/file_image/file/91859210635.pdfIn PDF document text
    • https://nirejabepifu.weebly.com/uploads/1/3/4/2/134266024/demovo.pdfIn PDF document text
    • https://susuravi.weebly.com/uploads/1/3/1/1/131164319/a29a2b8d8afe4c6.pdfIn PDF document text
    • https://daxuvevirub.weebly.com/uploads/1/3/4/0/134013438/58de28d2d.pdfIn PDF document text
    • https://ranumurubakek.weebly.com/uploads/1/3/5/3/135341533/negez.pdfIn PDF document text
    • https://tedojumutu.weebly.com/uploads/1/3/4/0/134042579/dajol.pdfIn PDF document text
    • https://biwalude.weebly.com/uploads/1/3/4/6/134613088/35b26006a599508.pdfIn PDF document text
    • https://subifegeriw.weebly.com/uploads/1/3/5/3/135348524/dikego.pdfIn PDF document text
    • https://dipabuxirakilat.weebly.com/uploads/1/3/1/0/131071076/gomulirevinolev-xupojuwakoma.pdfIn PDF document text
    • https://kuzigojuzomuw.weebly.com/uploads/1/3/2/6/132683135/bokukatusavovobak.pdfIn PDF document text
    • https://ponitunol.weebly.com/uploads/1/3/4/7/134747778/78bb0a6c04.pdfIn PDF document text
    • http://bertoniamministrazione.it/bertoni/public/file/woputovurewabemudopofar.pdfIn PDF document text
    • https://podar.co.za/XSRYdR1H?utm_term=suzanne+somers+recipes+onlinePDF 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 extracted file (font_00_sfnt_off0003a58e.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0003a58e.bin)

Related samples 3

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0003a58e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3A58E 17548 bytes
SHA-256: 251ae426cdbce63538c4f7377ff025df2facca772bb0953a5f4f63e7bde5d29a
font_01_sfnt_off0003d33d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3D33D 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0003eb54.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3EB54 10672 bytes
SHA-256: 7fc2b144223a81e3382dce98f8cf42c8d0e7a46f2b03e435a1323b666270f785

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