Malicious PDF — malware analysis report

Static analysis result for SHA-256 4458956b1d7589d6…

MALICIOUS

PDF

68.1 KB Created: 2020-12-28 18:59:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-11
MD5: 6b79cd39b561b0013a9aeb6f697e19b2 SHA-1: 0cbb5c57774fb30849f928acf7606e7d494c38a4 SHA-256: 4458956b1d7589d6eaa3b0a99707a488d9538cc73d57c9d8e57f2603f9554b2a
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://trafficel.ru/wb?keyword=how%20to%20tag%20someone%20in%20text%20ios%2014 PDF link annotation
    • https://tudogaxutu.weebly.com/uploads/1/3/5/2/135295125/eb28264ba51e6cb.pdfIn PDF document text
    • https://dolujutizividev.weebly.com/uploads/1/3/4/8/134864897/8376784.pdfIn PDF document text
    • https://valetapos.weebly.com/uploads/1/3/4/2/134265584/bamanalofitezag.pdfIn PDF document text
    • https://cdn.sqhk.co/gifitebona/jahcuic/lukas_nelson_shooter_jennings_songs.pdfIn PDF document text
    • https://cdn.sqhk.co/wirujurumugi/jahccgd/42158625232.pdfIn PDF document text
    • https://fisupipegapug.weebly.com/uploads/1/3/4/5/134515512/gipafitokedipujalet.pdfIn PDF document text
    • https://cdn.sqhk.co/xowuzaseku/njheHgg/archery_world_championships.pdfIn PDF document text
    • https://luragelekow.weebly.com/uploads/1/3/4/3/134377287/1074493.pdfIn PDF document text
    • https://wadozivapo.weebly.com/uploads/1/3/4/5/134512268/ramuxaf.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/ecd69cfd-0801-4da7-9fa1-fdca9e41181e/88514836565.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b5e9ce10-dd84-480e-b8cb-2607e23bf6e5/wuximojigeriwaxo.pdfIn PDF document text
    • https://s3.amazonaws.com/gazivemon/juvejitope.pdfIn PDF document text
    • https://s3.amazonaws.com/rebesudanolo/remidalifozugapimaneb.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cc41.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC41 5140 bytes
SHA-256: d0bde76663e7000b49ca6383d321cfd5a12f94f44ad805310c013d35f666616b
font_01_sfnt_off0000ddd3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDD3 11108 bytes
SHA-256: 29b583b3101dc0ac905329e2f72700cde33e897935c81009ef1b53669a7fa8a6