Malicious PDF — malware analysis report

Static analysis result for SHA-256 478c150575abc100…

MALICIOUS

PDF

374.7 KB Created: 2022-04-22 04:32:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: 1efc6fc158ce7659f582cb73018a74a8 SHA-1: b804d8921ea38e094c1ccb76198e82de8e00c840 SHA-256: 478c150575abc100dc3bbaf977b7541720f0d08bd9c5a2e7e31f5ea72329c54b
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9080

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://norin.co.za/YmrXLWy8?keyword=introduccion%20a%20la%20historia%20comparada%20de%20las%20religiones%20pdf PDF link annotation
    • http://mutamobilya.com/images_upload/files/10324431916.pdfIn PDF document text
    • http://kirpichi.su/kcfinder/upload/files/xuvixuz.pdfIn PDF document text
    • http://harissarantis.com/userfiles/files/91892347325.pdfIn PDF document text
    • https://www.afsti.org/admin/kcfinder/upload/files/47096055100.pdfIn PDF document text
    • http://bwa.olsztyn.pl/bwa3/admin/kcfinder/upload/files/jerotelakukumuxitabon.pdfIn PDF document text
    • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1624c8259040c7---nujafujixomoridole.pdfIn PDF document text
    • https://lederstuhlshop.de/ckfinder/userfiles/files/nibapalifebugizodon.pdfIn PDF document text
    • https://kepigepejabuji.weebly.com/uploads/1/3/4/3/134315220/808465bce86524.pdfIn PDF document text
    • http://bandenplaats.nl/cmsimages/file/72355835394.pdfIn PDF document text
    • http://thecpg.org/kcfinder/upload/files/16470546580.pdfIn PDF document text
    • http://provia-events.de/pics/fotos/1/file/30440275822.pdfIn PDF document text
    • http://blackivy.pl/userfiles/file/31991044907.pdfIn PDF document text
    • http://workontext.ru/media/file/dukogotixamawax.pdfIn PDF document text
    • https://condicionamentofisico.com/arquivos/file/22098093189.pdfIn PDF document text
    • https://ranaxeli.weebly.com/uploads/1/3/4/4/134478161/4646560.pdfIn PDF document text
    • http://eveningnews.napi.biz/upload_img/files/15810964735.pdfIn PDF document text
    • https://marketlayer.com/assets/kcfinder/upload/files/77027457199.pdfIn PDF document text
    • https://pulatufulufu.weebly.com/uploads/1/3/4/6/134610330/3981952.pdfIn PDF document text
    • https://prizmaemys.com/img/files/36666070746.pdfIn PDF document text
    • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/7830a1c5a8bfa8b2da0aed6cd412bb5b/43441806150.pdfIn PDF document text
    • http://flathead.herosuite.com/userfiles/file/sibanidorutusatugikopoxud.pdfIn PDF document text
    • http://milkexim.ru/imgeditor/file/90176273256.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_off00056545.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56545 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off00057d5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x57D5C 11120 bytes
SHA-256: ae22ceb6a94053e8eec239e3ba451dc9fc8297a168fb8684a3efab5d390f909c
font_02_sfnt_off000596e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x596E0 19468 bytes
SHA-256: ccf45b47adfe44f6718034028b59f136dffc1adf7ec154b8575b19c49c3c10d9

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