Malicious PDF — malware analysis report

Static analysis result for SHA-256 478ec2f8dba59074…

MALICIOUS

PDF

90.2 KB Created: 2022-04-15 13:45:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: d88f508f4757b2bc4fb38d51ef45aff8 SHA-1: 214028bacc7d8ba1466f9fba0c601ac7e0530de3 SHA-256: 478ec2f8dba590742827fb6e87aff3ab7c918b4c6c33f1ea3568e05b898db860
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://lovig.co.za/YmrXLWy8?keyword=the%20cat%20in%20the%20hat%20hardback%20book PDF link annotation
    • https://vupikesuxal.weebly.com/uploads/1/3/4/3/134397623/d495195f3f6fd2.pdfIn PDF document text
    • https://rerupogom.weebly.com/uploads/1/3/0/8/130874691/107105.pdfIn PDF document text
    • http://kapitan.eu/upload/files/52064721641.pdfIn PDF document text
    • https://bosijoputa.weebly.com/uploads/1/3/4/3/134317673/3da04708cb2d15.pdfIn PDF document text
    • https://dipojujepu.weebly.com/uploads/1/3/4/5/134526160/fumigeme-bonuroberinax.pdfIn PDF document text
    • https://tivuzukabatabab.weebly.com/uploads/1/3/1/4/131405927/juwonaruvek_mefajapij.pdfIn PDF document text
    • http://sensitiva.fi/UserFiles/File/42851750965.pdfIn PDF document text
    • http://ayrh.internet-match.com/upload/files/guxuzim.pdfIn PDF document text
    • https://rinumobepora.weebly.com/uploads/1/3/4/3/134377952/jowotorutu.pdfIn PDF document text
    • https://nesavelo.weebly.com/uploads/1/3/2/3/132303009/6207026.pdfIn PDF document text
    • http://dailyxedayhang.com/userfiles/files/45490562539.pdfIn PDF document text
    • http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/60003479567.pdfIn PDF document text
    • http://fialki.su/welijabiseforegoz.pdfIn PDF document text
    • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/16223b58e36c4a---95731271452.pdfIn PDF document text
    • https://domexuvuk.weebly.com/uploads/1/3/0/7/130740212/wavireseme_zojilide_vubakisezikur.pdfIn PDF document text
    • https://andhimazhai.com/images/files/3980900765.pdfIn PDF document text
    • https://dizujaxilamof.weebly.com/uploads/1/4/1/3/141324769/665e6064244f45.pdfIn PDF document text
    • https://gejatovuri.weebly.com/uploads/1/3/1/4/131406669/tewilo.pdfIn PDF document text
    • https://nixejinalir.weebly.com/uploads/1/3/4/3/134321479/8476881.pdfIn PDF document text
    • https://xinosete.weebly.com/uploads/1/3/0/9/130968926/lojutinefalepidamaz.pdfIn PDF document text
    • https://kodexanojivijep.weebly.com/uploads/1/4/1/3/141343730/3d7fe9b685307.pdfIn PDF document text
    • http://numere-mopede.ro/mm/file/kasigoko.pdfIn PDF document text
    • http://ordermycourse.com/Content/uploads/files/zovoxubeposepo.pdfIn PDF document text
    • http://boletos.luzservicos.com/ckfinder/userfiles/files/34757561871.pdfIn PDF document text
    • https://piwunosorelid.weebly.com/uploads/1/3/4/5/134590209/gadoxas.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_off0000fbe5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFBE5 10448 bytes
SHA-256: 971e7b722ec79a42774b802d105d3f0ca59d070c71aaaecc66f434c7d4bc8772
font_01_sfnt_off0001138a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1138A 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00012b9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12B9C 17436 bytes
SHA-256: 6b1a00f3473385c47117d0047e746feb7a5839771f138c7fb1be8ee64654fcd2

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