Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e3c872219dfcbbf…

MALICIOUS

PDF

229.3 KB Created: 2022-01-27 08:57:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: 80ac21a28c35517adc3ccd80c31eaa9e SHA-1: 57c2bc9528732726904bc5b9b3e9881be1c0e38a SHA-256: 4e3c872219dfcbbfd28b2131ffcd1134ab387a42f63eff60c55a31d47f67c344
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8028

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://cafij.co.za/XSRYdR1H?utm_term=marketing+strategies+articles+pdf PDF link annotation
    • http://alacarte-design.de/userfiles/file/93191420724.pdfIn PDF document text
    • http://szguilong.com/userfiles/files/56618634756.pdfIn PDF document text
    • http://co-wemart.com/careeruserfiles/file/mexiw.pdfIn PDF document text
    • http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/161be3a11c02c8---pedijanogawikumaziwaman.pdfIn PDF document text
    • http://buffagiuseppeinfissi.com/userfiles/files/74322862617.pdfIn PDF document text
    • http://www.americaninvest.net/upls/files/85590845432.pdfIn PDF document text
    • http://asqcert.net/files/files/57069543098.pdfIn PDF document text
    • http://billedbutikken.dk/articlefiles/file/gulilav.pdfIn PDF document text
    • https://goldfieldssanddrags.com.au/ckfinder/userfiles/files/diditirativadexefajanu.pdfIn PDF document text
    • http://forsheda.se/admin/kcfinder/upload/files/gejokuzaxe.pdfIn PDF document text
    • https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/4q21pi9djamg463a4fu51pvs62/zewoxokemolawoza.pdfIn PDF document text
    • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1617b83dabc876---73954515920.pdfIn PDF document text
    • https://ibliberia.com/ckfinder/userfiles/files/jebuka.pdfIn PDF document text
    • http://spy-military-labs.com/userfiles/file/mekumirij.pdfIn PDF document text
    • https://bccphil.paramedix.biz/uploadfiles/file/nivad.pdfIn PDF document text
    • http://twinmd.ru/userfiles/file/nutodevoparer.pdfIn PDF document text
    • http://coopaac.com/assets/kcfinder/upload/files/jutixik.pdfIn PDF document text
    • https://giaynangchieucao.com/userfiles/file/43438016299.pdfIn PDF document text
    • https://nepalonetours.com/userfiles/files/3872258867.pdfIn PDF document text
    • http://advance-pack.com/editor_upload/file/66187742764.pdfIn PDF document text
    • http://my-glc.com/uploads/file/30362365402.pdfIn PDF document text
    • http://birizgardenhotel.com/userfiles/file/36395598890.pdfIn PDF document text
    • https://bocrangsuthammy.vn/upload/files/96520345454.pdfIn PDF document text
    • https://martas.vodrsport.cz/uploads/files/sogagefugap.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_off0003289c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3289C 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off00033f3b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33F3B 17568 bytes
SHA-256: fd1cdf80b97a58a59b9dfb6a4f804018954f9881713ea3c799d8757b7c098166
font_02_sfnt_off00036d11.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x36D11 10760 bytes
SHA-256: b83798908b55fd47fe27857605a4b2844c8f212c2bfeefafc23e5fa9541a96ac

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