Malicious PDF — malware analysis report

Static analysis result for SHA-256 26f42430df3e23e2…

MALICIOUS

PDF

129.8 KB Created: 2022-05-27 07:49:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-19
MD5: 96d64e1e378d532dec4586e3ac3b1503 SHA-1: 048e3c896aa202ddef8af159d3e7014930fd9090 SHA-256: 26f42430df3e23e2502d3e1c934271f067a77249ed79d0c0c870f8b7ee2ece4a
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9970

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://fecuq.co.za/YmrXLWy8?keyword=public%20health%20nutrition%20mcq%20pdf%20download%20online%20game PDF link annotation
    • https://susopusamug.weebly.com/uploads/1/3/4/3/134336197/3662811.pdfIn PDF document text
    • https://fusufuxono.weebly.com/uploads/1/3/1/6/131606103/dojiduso.pdfIn PDF document text
    • https://gojafone.weebly.com/uploads/1/3/4/8/134891791/617e5.pdfIn PDF document text
    • https://lasunawinifomun.weebly.com/uploads/1/3/4/3/134385524/81f830aea96f.pdfIn PDF document text
    • https://penulikadima.weebly.com/uploads/1/3/1/4/131482887/6883261.pdfIn PDF document text
    • https://famitafoxudijeb.weebly.com/uploads/1/4/1/7/141759208/8453208.pdfIn PDF document text
    • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/2f3619daab232e6be553eff18bfffe74/marilajokawasupolugek.pdfIn PDF document text
    • https://rudonuwuviworur.weebly.com/uploads/1/4/1/8/141874319/televudufowole.pdfIn PDF document text
    • https://kafazuvowimi.weebly.com/uploads/1/3/4/7/134705673/182d44a6111a0.pdfIn PDF document text
    • https://binikefesomeb.weebly.com/uploads/1/3/5/3/135386190/5337504.pdfIn PDF document text
    • https://befufolajovaluf.weebly.com/uploads/1/4/1/5/141512552/jufomixipivud_jowuwodisuli.pdfIn PDF document text
    • https://valutakawewa.weebly.com/uploads/1/3/1/3/131378791/2211793.pdfIn PDF document text
    • https://purubagenipobeb.weebly.com/uploads/1/3/1/3/131398544/saxafin-witekugabutavag.pdfIn PDF document text
    • https://bumitanejas.weebly.com/uploads/1/4/1/8/141858465/nokupulojufuton.pdfIn PDF document text
    • http://rhythm-thailandagent.com/attach/file/xigifibat.pdfIn PDF document text
    • https://wanuwoziburake.weebly.com/uploads/1/3/4/4/134458428/majewu.pdfIn PDF document text
    • https://tarijododi.weebly.com/uploads/1/4/1/3/141378896/9c75510f9654be9.pdfIn PDF document text
    • https://raxuremaxu.weebly.com/uploads/1/3/5/3/135350699/819998.pdfIn PDF document text
    • https://piweripabox.weebly.com/uploads/1/4/1/7/141717009/1580069.pdfIn PDF document text
    • https://riledigevaja.weebly.com/uploads/1/4/1/5/141506496/zokuj.pdfIn PDF document text
    • https://nusuvonofa.weebly.com/uploads/1/3/1/8/131872273/xorefekumowerovu.pdfIn PDF document text
    • https://xelixaxoso.weebly.com/uploads/1/3/1/4/131407481/toruz-vuvoxelaji-wuwari-jezojudoledis.pdfIn PDF document text
    • https://zovaxisudu.weebly.com/uploads/1/3/4/7/134729802/fajen.pdfIn PDF document text
    • https://astur.travelshops.pl/userfiles/file/22980609906.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_off00019922.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00019922.bin)

Related samples 8

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_off00019922.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19922 17448 bytes
SHA-256: 88d105682936f1175cafa40a3d81c4b40eabc9779ee547cf5d3e9bcf9615699b
font_01_sfnt_off0001c677.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1C677 11372 bytes
SHA-256: f91470678e6ee69a2e6cf710c85bfa911b14695df64f54a8f5ed202d200c3c5e
font_02_sfnt_off0001e065.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1E065 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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