Malicious PDF — malware analysis report

Static analysis result for SHA-256 b611a5e461e051ee…

MALICIOUS

PDF

152.4 KB Created: 2022-04-19 03:40:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-15
MD5: e411fc93c737ba0af216b35ad6c4d6e8 SHA-1: d83277f23619c343a4d7d95261aae8123ab464f4 SHA-256: b611a5e461e051ee01ac2ba24db7a2ba86d0824c6325a16393626eda33e7a10d
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9947

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
  • 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://sunuf.co.za/YmrXLWy8?keyword=planes%20y%20programas%202011%20tercero%20de%20primaria%20pdf PDF link annotation
    • https://tapovebo.weebly.com/uploads/1/4/1/3/141315427/4704300.pdfIn PDF document text
    • http://scelosal.org/ckeditor/kcfinder/upload/files/bavovexez.pdfIn PDF document text
    • http://cungcapbaoduongcuanhatban.com/upload/files/zuwapa.pdfIn PDF document text
    • https://bajozofexowabir.weebly.com/uploads/1/3/1/3/131398176/febegenuwexofex.pdfIn PDF document text
    • https://momezinitakik.weebly.com/uploads/1/3/4/3/134322843/3872241.pdfIn PDF document text
    • https://pmb.unimal.ac.id/assets/plugin/kcfinder/upload/files/8016983280.pdfIn PDF document text
    • https://putomusozozor.weebly.com/uploads/1/3/4/3/134321488/1942707.pdfIn PDF document text
    • https://kesemuvu.weebly.com/uploads/1/3/4/8/134881895/2346411.pdfIn PDF document text
    • https://novufetus.weebly.com/uploads/1/3/4/1/134131343/diluxajubuve.pdfIn PDF document text
    • http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16204301524b95---wulomaduvinure.pdfIn PDF document text
    • https://kosajovin.weebly.com/uploads/1/3/0/7/130739816/lewasafizu.pdfIn PDF document text
    • https://divavovamo.weebly.com/uploads/1/4/1/4/141427880/zemamibiva_pewigizagokuf_fagijor.pdfIn PDF document text
    • https://litodamun.weebly.com/uploads/1/3/4/7/134710511/lavekaj.pdfIn PDF document text
    • https://zafozudakajadev.weebly.com/uploads/1/3/0/8/130814863/gipelobutofixe-mumulejitarafi.pdfIn PDF document text
    • https://fosozenasavo.weebly.com/uploads/1/3/4/8/134889966/b44cd16c271c.pdfIn PDF document text
    • https://poulinstrapscan.com/userfiles/file/48659863590.pdfIn PDF document text
    • https://zozapiranif.weebly.com/uploads/1/3/7/5/137504430/3591913.pdfIn PDF document text
    • https://fufajogaxofamu.weebly.com/uploads/1/3/4/6/134627879/c5282.pdfIn PDF document text
    • https://tenekivosorudo.weebly.com/uploads/1/3/4/5/134596066/tufarelalap.pdfIn PDF document text
    • https://busigejog.weebly.com/uploads/1/3/4/0/134017549/vulukopobotixu-jeriwirij.pdfIn PDF document text
    • https://sowovejapa.weebly.com/uploads/1/3/4/7/134709895/9833130.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_off0001ee51.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0001ee51.bin)

Related samples 1

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001ee51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1EE51 11372 bytes
SHA-256: 63213cbb94dd4cab031b8f5ca80ac96d43b61ccc99334910bcf90dc27e8ef749
font_01_sfnt_off00020901.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x20901 19244 bytes
SHA-256: 9d17b47aaa554d299047001314b4ebe9de25edca2a72b0a4df2456dba3ca6bcf
font_02_sfnt_off000239f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x239F2 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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