Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d8d3b0785366b82…

MALICIOUS

PDF

287.0 KB Created: 2022-03-13 13:25:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: d187bbc057bf79e1b0ee83aa58a17ccf SHA-1: 886e17e97293be26b4c9fa7729af6514797db330 SHA-256: 5d8d3b0785366b822b31a0f329f087a18f8ab2733b3a265e32ab54ba13aad750
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7430

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://mifuj.co.za/XSRYdR1H?utm_term=german+imperative+form+fahren PDF link annotation
    • http://elskenecologie.nl/files/51446590236.pdfIn PDF document text
    • https://vetricrackers.com/ckfinder/userfiles/files/nipijogagotajosexumud.pdfIn PDF document text
    • https://entabe.com/upload/20220306/files/lasefososupujikiwofivugi.pdfIn PDF document text
    • http://nellion.ru/upload/files/tadewo.pdfIn PDF document text
    • http://irfanmakina.com/depo/sayfaresim/file/57953559957.pdfIn PDF document text
    • http://hiroshima-teishaku.com/userfiles/file/8360725086.pdfIn PDF document text
    • http://triatlonbizuterie.cz/sites/default/files/file/4681722026.pdfIn PDF document text
    • http://mlgholding.hu/admin/kcfinder/upload/files/xefopoguru.pdfIn PDF document text
    • http://fructusartis.com/i/File/68634468568.pdfIn PDF document text
    • http://preiss.at/upload_files/files/pufigaloj.pdfIn PDF document text
    • http://cdkkck.com/uploadfile/file/20220223075728.pdfIn PDF document text
    • http://ngor2-3.com/file_media/file_image/file/29278710158.pdfIn PDF document text
    • https://isabellepieman.com/userfiles/file/98275223614.pdfIn PDF document text
    • http://muzeumkonstancina.pl/attachments/file/litilodomiwopedela.pdfIn PDF document text
    • http://www.winnicajanowice.pl/kcfinder/upload/files/14370885856.pdfIn PDF document text
    • http://vistobrasil.net/uploads/file/zirogozorunazofof.pdfIn PDF document text
    • http://morebricks.com/ckfinder/userfiles/files/luxozabuzovosidudiw.pdfIn PDF document text
    • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1620d390c056ef---78509970544.pdfIn PDF document text
    • http://infrabud.eu/fckpliki/file/wiveretuxuridure.pdfIn PDF document text
    • http://taixingchem.com/uploadfile/file/20220220191218641.pdfIn PDF document text
    • https://wietsevoermans.nl/ckfinder/userfiles/files/98231684361.pdfIn PDF document text
    • http://cainghienbinhduong.com/uploads/userfiles/file/54076830549.pdfIn PDF document text
    • https://ringid.vn/ckfinder/userfiles/files/faxoravapapinusofesu.pdfIn PDF document text
    • http://sahrugs.com/userfiles/file/13021643741.pdfIn PDF document text
    • http://mecal.vn/public/assets/ckeditor/kcfinder/upload/files/94137107067.pdfIn PDF document text
    • http://ambvetesopo.eu/userfiles/files/pomexodumebupasalajo.pdfIn PDF document text
    • http://liccuza.ro/stiri_files/file/89799902175.pdfIn PDF document text
    • http://haohanlegend.com/Uploadfiles/files/90231554949.pdfIn PDF document text
    • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/f8c2850615b4a9ba125aca559d9b9dd3/15317388708.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_off00040aa7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x40AA7 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off000421c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x421C2 19832 bytes
SHA-256: e3c5e0fa8b6d1919bd1672dd9eceab49e470314381bb1710e91f043d8f3719b9
font_02_sfnt_off00045585.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x45585 10512 bytes
SHA-256: 2b685f9e8767cdc290e4666851d290457200f53891230e0c84f26b748e0465a8

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