Malicious PDF — malware analysis report

Static analysis result for SHA-256 4debe4b5d684d454…

MALICIOUS

PDF

386.6 KB Created: 2022-03-12 05:49:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-29
MD5: 8e35a13e53bc9061eb78cd7fefd11905 SHA-1: 69694ee58425d23f7140d89084330c0c14718868 SHA-256: 4debe4b5d684d454bf2079e8de07d2b309a96fc3ee0c5df030b441642bb9d90e
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.5187

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://fecuq.co.za/XSRYdR1H?utm_term=equilibrio+acido+base+pdf+fisiologia PDF link annotation
    • http://santinitravel.co/files/others/44499543781.pdfIn PDF document text
    • https://thietkewebbacninh.com/webroot/img/files/52542902532.pdfIn PDF document text
    • http://nanjing.chinatupai.com/web/js/ckfinder/userfiles/files/26859660748.pdfIn PDF document text
    • http://sowa-architekci.pl/userfiles/files/40280227523.pdfIn PDF document text
    • http://globalfeedindustry.com/upload/files/40508503674.pdfIn PDF document text
    • https://www.cygnusdvlp.in/nitdurgapur/uploads/editorUploads/userfiles/files/dibix.pdfIn PDF document text
    • http://ylpcl.com/ckfinder/userfiles/files/39089763613.pdfIn PDF document text
    • http://kleinschadenexpert.com/userfiles/file/lijakaruwexovojop.pdfIn PDF document text
    • http://naso10.com/userData/board/file/ruxabulikek.pdfIn PDF document text
    • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16208674b1276a---pibejoketusivisewile.pdfIn PDF document text
    • http://kinel-hunter.ru/upfiles/file/47116760527.pdfIn PDF document text
    • https://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/59111294696.pdfIn PDF document text
    • http://personaleducador.com.br/ckeditor/kcfinder/upload/files/71327883746.pdfIn PDF document text
    • https://acv-verdun.fr/kcfinder/upload/files/dugipirubuniwipefiwapusad.pdfIn PDF document text
    • http://alburigiott.it/userfiles/files/vemano.pdfIn PDF document text
    • https://ventadeterrenosagricolas.com/userfiles/file/18578506833.pdfIn PDF document text
    • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/xejilezomaja.pdfIn PDF document text
    • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161fad13dd39f3---24732662803.pdfIn PDF document text
    • https://www.almuhja.com/ckfinder/userfiles/files/nojebedikedut.pdfIn PDF document text
    • http://www.snhram.ru/kcfinder/upload/files/88055225986.pdfIn PDF document text
    • https://aharonoff.easystockhosting.com/sites/default/files/fckimages/file/57492824576.pdfIn PDF document text
    • http://on-video.com/movies/movie_data/file/jatazijagofikeritu.pdfIn PDF document text
    • https://chambres-hotes-aube-bleue.fr/userfiles/file/60579365799.pdfIn PDF document text
    • http://tractortools.cz/ckfinder/userfiles/files/rijefif.pdfIn PDF document text
    • https://igruppe.no/ckfinder/userfiles/files/52286608679.pdfIn PDF document text
    • https://juniorclublivorno.com/sitonews/images_upload/files/bubudafekikitomawo.pdfIn PDF document text
    • http://le-nora.com/userfiles/file/87568738096.pdfIn PDF document text
    • https://anep.it/ckeditor/kcfinder/upload/files/xagupexebo.pdfIn PDF document text
    • https://konferencia2012.medius.sk/userfiles/file/gefotuwesiligupoje.pdfIn PDF document text
    • http://homeopathyhk.com/files/ruterofunes.pdfIn PDF document text
    • https://mvfht.ca/kcfinder/upload/files/mubudu.pdfIn PDF document text
    • http://taptigrihnirman.com/singhania/downloads/file/8364687667.pdfIn PDF document text
    • https://talaa-obour.net/webmisr/uploadwebmisr/file/livaxiralukojewa.pdfIn PDF document text
    • http://www.reenactmentmarket.eu/images/wyswig_images/file/74597163385.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 extracted file (font_00_sfnt_off00056f30.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00056f30.bin)

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00056f30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56F30 16340 bytes
SHA-256: 09788640714c88458583010ca9c04064c4af2b092f38c1997c707306d8dd54b5
font_01_sfnt_off00058585.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58585 23632 bytes
SHA-256: d5c926bb03c875c902783d3c850397850853359e97055d2eceed21b4115446fc
font_02_sfnt_off0005c130.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C130 10964 bytes
SHA-256: 3941c102b7e779fba4d0ded6854c8bd7c6d71a56aebebe9f0f0c28559e19d356
font_03_sfnt_off0005d9ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D9ED 1840 bytes
SHA-256: e11639021ae82bc81d66597892112dbefd7f2cb67f426bbebb6fc3c29591e729
font_04_sfnt_off0005e296.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E296 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9