Malicious PDF — malware analysis report

Static analysis result for SHA-256 478d934947781ecf…

MALICIOUS

PDF

92.0 KB Created: 2021-10-11 08:47:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: 5289bfb62a220c6e5abc613eaa636c48 SHA-1: 135ae61a86fab81b86638324f4dc1ea875a661ad SHA-256: 478d934947781ecf3d11a671080bb4df62d0bce2877acf417b495b798b1c0576
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9956

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://irlanc.ru/uplcv?utm_term=international+journal+of+agricultural+sciences PDF link annotation
    • http://wsm.hk/images/files/3349047953.pdfIn PDF document text
    • http://perfect-gallery.com/userfiles/file/66742145921.pdfIn PDF document text
    • https://www.fyna.com.au/application/third_party/ckfinder/userfiles/files/29075126396.pdfIn PDF document text
    • http://alfonsoguiggiarchitetto.it/userfiles/files/segoxejogatok.pdfIn PDF document text
    • http://kubablimel.pl/Image/files/28612996341.pdfIn PDF document text
    • http://dga.gr/ILC/img/file/71781424760.pdfIn PDF document text
    • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16156f2b182735---jupozidejiwetoju.pdfIn PDF document text
    • https://wcfkenzi.com/ckfinder/userfiles/files/zumirupuzurujexapubojoze.pdfIn PDF document text
    • http://lynhuagiasi.com/Images_upload/files/45641858243.pdfIn PDF document text
    • http://soles2walk.cz/data/file/gisefupupobudoparenep.pdfIn PDF document text
    • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/da0c8e6d362a136dc137be8c06267710/tijixexawa.pdfIn PDF document text
    • http://chinazzjx.com/d/files/7008508807.pdfIn PDF document text
    • http://pololanna.com/user_img/files/13147555659.pdfIn PDF document text
    • https://mtestbd.com/assets/uploads/files/todajutipomu.pdfIn PDF document text
    • http://conblocmanado.com/pics/file/6760320579.pdfIn PDF document text
    • http://55pluscommunityspecialist.com/userfiles/files/85919666589.pdfIn PDF document text
    • http://art-ball.net/files/file/78587622826.pdfIn PDF document text
    • http://restavratorstvo.com/ckfinder/userfiles/files/gutad.pdfIn PDF document text
    • http://087334211.kad.tw/kads/ckfinder/userfiles/files/pezebulamo.pdfIn PDF document text
    • https://queensflower.nl/clientfiles/85902074422.pdfIn PDF document text
    • http://materialdeestudo.top/userfiles/files/bexukeburepazogodedifefov.pdfIn PDF document text
    • http://xn--80aadq3ae7aa5k.xn--p1ai/upload/file/wibimulonobasenu.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_off0000fbd1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFBD1 20484 bytes
SHA-256: c598a9b917cd4cfb3b34d7baf52969584660596a500f9e96ee25fd31d9f58c3a
font_01_sfnt_off00013194.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13194 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off000149ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x149AB 10692 bytes
SHA-256: c5fa1f638b834b18391296a196433397cbce7d274503e66ccbbbbb49afc9053e

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