Malicious PDF — malware analysis report

Static analysis result for SHA-256 4786b2a59f9097cc…

MALICIOUS

PDF

83.4 KB Created: 2022-04-20 13:31:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: 224c1fdabbab2dfcdfb18b547708007f SHA-1: dd3d0798df6f05fdb29edcf9753817523b75684e SHA-256: 4786b2a59f9097ccd5f157a15043d43cb6631f44e5f3ed890f73a9a657a7d50e
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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=how%20do%20you%20use%20a%20brother%20xl%205130%20sewing%20machine PDF link annotation
    • https://busigejog.weebly.com/uploads/1/3/4/0/134017549/b0da3ec3d578644.pdfIn PDF document text
    • https://stormmasterroof.com/nbloom/fckuploads/file/fovajedu.pdfIn PDF document text
    • https://zuzunavodezap.weebly.com/uploads/1/3/0/7/130776081/giwavadek-divudosivak.pdfIn PDF document text
    • https://zokukomusisitu.weebly.com/uploads/1/3/5/3/135323242/8444f.pdfIn PDF document text
    • https://muxuxinipizo.weebly.com/uploads/1/3/1/6/131637853/lupibemifojurujora.pdfIn PDF document text
    • https://sisilodoja.weebly.com/uploads/1/3/1/4/131406442/1629858.pdfIn PDF document text
    • http://olympicthesportshop.in/uploads/ziliwowuz.pdfIn PDF document text
    • https://zigepixapi.weebly.com/uploads/1/3/5/3/135392100/kaguzekufokirupoja.pdfIn PDF document text
    • https://peturenu.weebly.com/uploads/1/3/4/4/134401199/7362164.pdfIn PDF document text
    • http://ptd-tver.ru/content/files/upload/files/56718364790.pdfIn PDF document text
    • https://giwedogifuj.weebly.com/uploads/1/3/4/7/134741463/derageb.pdfIn PDF document text
    • https://tapuroxoj.weebly.com/uploads/1/3/4/5/134599682/61cbb8f0fe0fa.pdfIn PDF document text
    • https://digeforoxega.weebly.com/uploads/1/3/4/6/134668277/491924.pdfIn PDF document text
    • https://renijekut.weebly.com/uploads/1/3/4/3/134306869/ed71dee574bb.pdfIn PDF document text
    • https://tusejefil.weebly.com/uploads/1/3/4/3/134320171/zubesej.pdfIn PDF document text
    • https://bywuf.org/upload/editor/files/47590297758.pdfIn PDF document text
    • https://xuganozixebiwu.weebly.com/uploads/1/3/4/3/134311953/rudonajazel.pdfIn PDF document text
    • https://telewebmarketing.com/FCKeditor/file/60716416507.pdfIn PDF document text
    • https://fogovuraperikog.weebly.com/uploads/1/3/4/7/134713912/9834359.pdfIn PDF document text
    • https://zopivorideruv.weebly.com/uploads/1/3/3/9/133997575/remetobur.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_off0000df4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF4E 11832 bytes
SHA-256: 5f7f4b97a8ff4f223175597e76c8d305c24671974ba28dba3204d636252662ed
font_01_sfnt_off0000fb59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB59 16856 bytes
SHA-256: 5d68be167e4d9e44fcfe75c7ae75191cde820c12fbd1290e4284bf5bea8f6372
font_02_sfnt_off00012765.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12765 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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