Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e31a5d53707d8b2…

MALICIOUS

PDF

76.0 KB Created: 2022-03-29 01:54:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: 49e00b2c4b2c79fd366ee078ed3c1793 SHA-1: c4aae9b3c60622a65fad36b8e74540c693c1cadd SHA-256: 4e31a5d53707d8b2e17213a7861ed29b1d9352c34c07483f106a5bf6a541c399
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://norin.co.za/YmrXLWy8?keyword=can%20i%20download%20directv%20app%20on%20my%20smart%20tv PDF link annotation
    • https://zanudega.weebly.com/uploads/1/3/1/1/131164011/bafivozaxuk-kivegenujapo.pdfIn PDF document text
    • https://romubavopu.weebly.com/uploads/1/3/4/8/134884942/3542238.pdfIn PDF document text
    • https://relupopakamon.weebly.com/uploads/1/3/4/4/134455445/lomedagarav.pdfIn PDF document text
    • https://pejapuvurexoku.weebly.com/uploads/1/3/1/6/131636728/rofakegen_govinamato_jezapud.pdfIn PDF document text
    • https://zudepiguzow.weebly.com/uploads/1/3/4/7/134774383/kiwefusomifadubux.pdfIn PDF document text
    • https://jawogebewo.weebly.com/uploads/1/3/4/3/134369376/maxujuvirer-dadevakerupinu-dadopitig.pdfIn PDF document text
    • https://basixafonamolod.weebly.com/uploads/1/3/1/0/131069750/neveruzewimijufebavo.pdfIn PDF document text
    • https://wipamixupes.weebly.com/uploads/1/3/4/4/134460990/nazaxop.pdfIn PDF document text
    • https://juvudunepuzuvo.weebly.com/uploads/1/3/4/5/134513453/7242576.pdfIn PDF document text
    • https://jedifugidu.weebly.com/uploads/1/3/1/3/131382595/wabazefubi_fisajadefiditas.pdfIn PDF document text
    • https://rizaxobekame.weebly.com/uploads/1/3/4/6/134698747/lejaxelamide.pdfIn PDF document text
    • https://samazixudoreput.weebly.com/uploads/1/3/2/6/132681586/wuvopagowafew.pdfIn PDF document text
    • https://dibixudu.weebly.com/uploads/1/3/4/5/134528380/dijarageru.pdfIn PDF document text
    • https://faxipanonuk.weebly.com/uploads/1/3/4/3/134352952/kapevifak.pdfIn PDF document text
    • https://welabelodaset.weebly.com/uploads/1/3/5/3/135399274/b33a645d503.pdfIn PDF document text
    • https://mepaxojapukofu.weebly.com/uploads/1/3/4/6/134609152/03b7a95c0c5a6.pdfIn PDF document text
    • https://mujonesaxofifi.weebly.com/uploads/1/3/4/6/134680030/2177812.pdfIn PDF document text
    • https://pibusabet.weebly.com/uploads/1/3/4/6/134695111/5406567.pdfIn PDF document text
    • https://riginujer.weebly.com/uploads/1/3/2/6/132695799/4210cc3970aec39.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_off0000c49d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC49D 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off0000db41.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB41 10972 bytes
SHA-256: 8a2975a56fd4ee0e84fc3fc505219dd7b632bfc926582a99ac31ca94f1c99675
font_02_sfnt_off0000f4cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF4CC 17260 bytes
SHA-256: 57bc504a9efe98ae7c5d856ba8bce926fa792cfdd0de33bfad1dbc8ca6a0b7e0

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