Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa85fbb8eab1be2f…

MALICIOUS

PDF

79.6 KB Created: 2022-04-06 01:38:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: 6c8bd6d33537845167e62f5848c37edf SHA-1: 4f90b8de1b911c9b67afd6cfb91d00d22571b9e6 SHA-256: aa85fbb8eab1be2f9835b3cbd6f852fa63cd6a559850235142f3ea72c45ab33c
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9968

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://wirut.co.za/YmrXLWy8?keyword=figurative%20language%20definitions%20for%20elementary%20students PDF link annotation
    • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1624c536f58fc8---vanalidanaxoso.pdfIn PDF document text
    • https://nawixelufa.weebly.com/uploads/1/3/5/3/135317770/6710962.pdfIn PDF document text
    • https://tivositazevuzin.weebly.com/uploads/1/3/5/3/135349871/37bbf6fe761.pdfIn PDF document text
    • https://litodamun.weebly.com/uploads/1/3/4/7/134710511/8561739.pdfIn PDF document text
    • https://konteshamamotu.com/userfiles/file/36985255433.pdfIn PDF document text
    • https://maposege.weebly.com/uploads/1/3/1/3/131378999/9c3c2257d16893.pdfIn PDF document text
    • https://airsoft1.ro/files/file/20153723916.pdfIn PDF document text
    • https://jedufopev.weebly.com/uploads/1/3/4/4/134490540/laluzojekotiwotisiki.pdfIn PDF document text
    • http://bephoangdung.vn/uploads/ckfinder/files/tifiv.pdfIn PDF document text
    • https://pixelisikug.weebly.com/uploads/1/3/1/4/131407736/gemibapajoz.pdfIn PDF document text
    • https://liruviwogaralo.weebly.com/uploads/1/3/0/7/130776788/7077801.pdfIn PDF document text
    • https://pixexibov.weebly.com/uploads/1/4/1/2/141280936/pupofuwizisav-gazeviwonemi-fekurije.pdfIn PDF document text
    • http://mdfgiare.com/upload/files/35814488260.pdfIn PDF document text
    • https://suxaveropijefak.weebly.com/uploads/1/4/1/2/141257625/rofez.pdfIn PDF document text
    • https://sixebujexe.weebly.com/uploads/1/3/0/7/130740217/fukepam.pdfIn PDF document text
    • https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/74a648a30fd09398f54036ab27cc3cc4/todeloge.pdfIn PDF document text
    • https://mazefitarunakur.weebly.com/uploads/1/3/1/4/131453858/b420f.pdfIn PDF document text
    • https://fojeketilow.weebly.com/uploads/1/3/1/3/131379262/zepesipetazanipaz.pdfIn PDF document text
    • https://www.fsps.co.th/kcfinder/upload/files/95640930096.pdfIn PDF document text
    • https://tetufimaburovi.weebly.com/uploads/1/3/4/0/134098130/7ac3902e541f523.pdfIn PDF document text
    • https://zafuzumu.weebly.com/uploads/1/3/4/6/134674349/pitukiboguwawo_najimojodunoro_gimiwozupobale.pdfIn PDF document text
    • http://karikatura-kovarik.cz/files/file/molidavuruponununovivo.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_off0000d253.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD253 17400 bytes
SHA-256: 8abdd1cd00bdcab04a234dc77cbe254ef1145e5dd5ce8b96e12122c54721c09b
font_01_sfnt_off0000ffc3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFC3 10952 bytes
SHA-256: 8cd6f2f6a54106cdd118fbbaf28d9eea4730d04823de09053c0441435481bd3f
font_02_sfnt_off000118fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x118FC 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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