Malicious PDF — malware analysis report

Static analysis result for SHA-256 478b14b6b576c25d…

MALICIOUS

PDF

188.4 KB Created: 2022-03-30 10:09:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: 20c79a34c4bf185c1415eb84e67b087a SHA-1: dbffa6c90711e515c7c08c82e1b68810d6f3d9b3 SHA-256: 478b14b6b576c25db06bcae14ec724248fc4e162a5b6765019acb853ecc9b5f9
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9455

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://cafij.co.za/XSRYdR1H?utm_term=xiaomi+c%C3%B3digo+de+verifica%C3%A7%C3%A3o+%C3%A9+nulo PDF link annotation
    • https://desemezek.weebly.com/uploads/1/3/4/4/134458593/4838168.pdfIn PDF document text
    • http://www.iccet.org.tr/kcfinder/upload/files/balepilawite.pdfIn PDF document text
    • https://lomewulepizava.weebly.com/uploads/1/3/3/9/133999744/8b16d1af52defc.pdfIn PDF document text
    • http://re-media.ru/foto/ck/files/rabolisamuneteviv.pdfIn PDF document text
    • http://jogastudioveszprem.hu/kcfinder/upload/files/wafizal.pdfIn PDF document text
    • https://uclerbaklava.com/resources/file/40861680571.pdfIn PDF document text
    • https://dibalinelig.weebly.com/uploads/1/3/1/3/131380687/4715fbbe20d42.pdfIn PDF document text
    • https://ratco-hardware.com/Ups/files/3630016144.pdfIn PDF document text
    • https://kme.pl/global/app/webroot/uploads/file/16461050944656.pdfIn PDF document text
    • https://lojizeli.weebly.com/uploads/1/3/3/9/133997115/siradalib-ruviwefeva-gerolixidugu.pdfIn PDF document text
    • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/029fdd81fabad532a0e69e8adfc50188/38666339715.pdfIn PDF document text
    • https://velonifiwivuli.weebly.com/uploads/1/3/0/7/130739758/gobig-pizinamo-fugudiz.pdfIn PDF document text
    • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/1622b752209663---32619977793.pdfIn PDF document text
    • http://ascensionchina.com/userfiles/file/nugalomev.pdfIn PDF document text
    • http://yachtsandtrade.com/files/vubezefujo.pdfIn PDF document text
    • https://xufizigox.weebly.com/uploads/1/3/4/4/134479456/27b9e.pdfIn PDF document text
    • http://speaklifeiamgreatness.com/files/files/50323573455.pdfIn PDF document text
    • https://xovajuvomupug.weebly.com/uploads/1/3/0/7/130776021/pikile_dalopopig_bumusimakazabi_taride.pdfIn PDF document text
    • https://rulovuwupe.weebly.com/uploads/1/3/5/3/135386045/fetefenotofak_pafakenoji.pdfIn PDF document text
    • https://ganoworot.weebly.com/uploads/1/3/4/2/134236177/2637522.pdfIn PDF document text
    • https://gibinefofagal.weebly.com/uploads/1/3/4/6/134668975/3a85e14cac376.pdfIn PDF document text
    • http://tufaghanafc.com/js/ckfinder/userfiles/files/41833331149.pdfIn PDF document text
    • http://jl-vacuum.com/upload/files/wixoposebo.pdfIn PDF document text
    • http://dolphinkorea.com/files/files/zupibobavabidolesobil.pdfIn PDF document text
    • https://duwesokele.weebly.com/uploads/1/3/1/6/131606866/paromalubu.pdfIn PDF document text
    • https://a-guskov.ru/uploads/files/jagufopepimelapowaxuzev.pdfIn PDF document text
    • https://ecoolteh.eu/galeria/file/vizefowupav.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.netReferenced by PDF JavaScript
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseReferenced by PDF JavaScript

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00027e10.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x27E10 20052 bytes
SHA-256: 28ca3261313f59dfab495bbd826907e93f285f076d766175b197a7914cc71e5a
font_01_sfnt_off0002b087.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B087 11480 bytes
SHA-256: 7125faa8de8c25cf8803fd051ba021f0e6430c0c195c6549c661d01f7ad448b1
font_02_sfnt_off0002ca25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA25 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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