Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9979ce3b5374ebe…

MALICIOUS

PDF

105.4 KB Created: 2022-04-06 18:32:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-13
MD5: 859e72e23c270298e7387eb9b80a901b SHA-1: 9318e0d461e87bd8deb4e142550ed128814b2ed7 SHA-256: f9979ce3b5374ebe5c8b2147b8a2f19c635c5ae0ec61967db7adede9bcabc9d6
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9984

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://yubit.co.za/YmrXLWy8?keyword=how%20to%20fix%20gas%20water%20heater%20thermostat PDF link annotation
    • http://rostocker-taxi.de/resources/files/32776518565.pdfIn PDF document text
    • https://sevimuxeso.weebly.com/uploads/1/3/0/7/130739978/damejagunegile_giwodelabuwag.pdfIn PDF document text
    • http://sevimticaret.net/userfiles/file/zaribalifisav.pdfIn PDF document text
    • http://etiquettes-adhesives-bobine.fr/kcfinder/upload/files/gunuzinubunobotefako.pdfIn PDF document text
    • https://xozobiju.weebly.com/uploads/1/3/4/7/134740052/3749156.pdfIn PDF document text
    • http://imcet.org.tr/kcfinder/upload/files/32282834606.pdfIn PDF document text
    • https://kanevuto.weebly.com/uploads/1/3/4/4/134484588/fe664ed72e.pdfIn PDF document text
    • http://mybooksite.net/kcfinder/files/47670291859.pdfIn PDF document text
    • https://pisaxegeb.weebly.com/uploads/1/3/0/7/130775455/gibebe.pdfIn PDF document text
    • https://ajansnigde.com/resimler/files/vazowiraxagu.pdfIn PDF document text
    • https://panirosarukiza.weebly.com/uploads/1/3/4/1/134132539/8527633.pdfIn PDF document text
    • http://allergya.news-read.com/upload/files/dotabekuje.pdfIn PDF document text
    • http://primaria-ciocirlia.ro/media/file/milukem.pdfIn PDF document text
    • https://fawezasitekag.weebly.com/uploads/1/4/1/2/141256349/f6bfae7.pdfIn PDF document text
    • https://wamurereleveti.weebly.com/uploads/1/3/5/3/135392703/378b2b52.pdfIn PDF document text
    • https://xojowikenokux.weebly.com/uploads/1/3/4/7/134706662/galanivagi.pdfIn PDF document text
    • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/16220f868d7e8f---96495783629.pdfIn PDF document text
    • https://bigakobavivab.weebly.com/uploads/1/3/4/7/134747120/lozekepurisawobolig.pdfIn PDF document text
    • http://nayyaralidada.com/alpha/ckfinder/userfiles/files/20855039300.pdfIn PDF document text
    • https://kajefota.weebly.com/uploads/1/3/4/7/134766701/zexivevagunapa.pdfIn PDF document text
    • https://sebanibukuj.weebly.com/uploads/1/3/4/3/134354661/e1268d0e.pdfIn PDF document text
    • https://xoretesani.weebly.com/uploads/1/3/4/3/134315313/kexogu.pdfIn PDF document text
    • https://www.igescanada.com/ckfinder/userfiles/files/38593848150.pdfIn PDF document text
    • https://kevakebotewixo.weebly.com/uploads/1/3/4/6/134605863/vogofefunozo.pdfIn PDF document text
    • https://bestcoloringpages.com/userfiles/file/49999259577.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_off0001385a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1385A 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0001506c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1506C 17504 bytes
SHA-256: 677a15855d73fe453b4420239c74a1f5da6ce011c408c4d9e9ca35e006bc162f
font_02_sfnt_off00017e85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17E85 10692 bytes
SHA-256: 3828c7fce6824d72b58fceb72d5a261e4efdcd31f9e0c3913809c13dfc720b3e

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