Malicious PDF — malware analysis report

Static analysis result for SHA-256 4450fd905082059c…

MALICIOUS

PDF

333.4 KB Created: 2022-03-21 09:47:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-07
MD5: e670a27b15900918900ef2a5579fd2de SHA-1: 4892ec0d603af44cf920389e9cd374370561873e SHA-256: 4450fd905082059c077f6e2ef1611ae8d65d74ce495729f054a9fb21315b0cf5
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8447

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://tevav.co.za/XSRYdR1H?utm_term=la+petite+limousine+fs17 PDF link annotation
    • https://rh4-h1tapi-turbo.com/contents/files/73652222516.pdfIn PDF document text
    • http://isagenixmakessense.com/ckfinder/userfiles/files/39094533923.pdfIn PDF document text
    • http://gartenbaukoeln.de/uploads/files/kibulaxokur.pdfIn PDF document text
    • https://pakistanchristiancongress.org/userfiles/file/19295742259.pdfIn PDF document text
    • https://norservis.cz/files/files/wuzulilu.pdfIn PDF document text
    • http://www.amoroso-ongakuin.com/upload/files/18982957748.pdfIn PDF document text
    • http://tiquital.com/documentos/file/69943513161.pdfIn PDF document text
    • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1621d206ded742---vavusazitoxuvu.pdfIn PDF document text
    • http://seosanhrd.com/userfiles/file/87875355798.pdfIn PDF document text
    • http://uslugi-ogrodnicze.pl/pliki/File/semabituvukekipesifogig.pdfIn PDF document text
    • https://hladiagnostico.com.br/kcfinder/upload/files/bawukifofexaguteb.pdfIn PDF document text
    • https://isped.cz/kcfinder/upload/files/betolirolunowok.pdfIn PDF document text
    • https://hujanuang.com/contents/files/bapovanipanomefor.pdfIn PDF document text
    • https://ijpdua.com/contents/files/88624856567.pdfIn PDF document text
    • http://lapawan15.com/shop/fck_file/file/pulukinutiwufidugopa.pdfIn PDF document text
    • http://geoscan.it/userfiles/files/pezavizodepozun.pdfIn PDF document text
    • http://www.donkersmontage.nl/kcfinder/upload/files/52710861831.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_off0004a6b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A6B3 16344 bytes
SHA-256: b9dc4e8a4e3f0ab2ed88290c4002ca638ed081bc77da3af054ab78e776120229
font_01_sfnt_off0004bd29.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4BD29 21908 bytes
SHA-256: 69b773f61cb23b5159bd1d5650f456f2174c8e58c3d9f859b091c31bb9375c9a
font_02_sfnt_off0004f5d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F5D1 10576 bytes
SHA-256: 040f3ee222e747ee07f113eef7894312f286fc7000e761bf3c2c27daac0938dc
font_03_sfnt_off00050e12.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x50E12 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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