Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dddafa1597de911…

MALICIOUS

PDF

65.1 KB Created: 2022-04-22 08:36:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-25
MD5: dd3b4b538cf361609ca90449e7fb703d SHA-1: 2ef0f09a1843d02b7f1d5d828cd1e5febc3518df SHA-256: 3dddafa1597de911d6c5cb2c17967e1e32d1db60c9baa2204a0c480eab1ee320
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://yubit.co.za/YmrXLWy8?keyword=swisher%2066%20zero%20turn%20mower%20parts PDF link annotation
    • https://bigamurutixigi.weebly.com/uploads/1/3/4/4/134481126/kenufukavujojibeg.pdfIn PDF document text
    • http://rydelko.eu/userfiles/file/vosuporidivadozazi.pdfIn PDF document text
    • https://sesanejaw.weebly.com/uploads/1/3/1/4/131407178/a0885a27b.pdfIn PDF document text
    • https://xuvitekopa.weebly.com/uploads/1/3/2/7/132712193/3331365.pdfIn PDF document text
    • https://aaaxxion.info/images/file/gemefadunemubijadip.pdfIn PDF document text
    • https://rivelipa.weebly.com/uploads/1/3/5/3/135349188/e6c802a179.pdfIn PDF document text
    • http://roocenter.ru/upload/file/31155202058.pdfIn PDF document text
    • http://bandodesign.com/assets/ckeditor/kcfinder/upload/files/wirubuvizivum.pdfIn PDF document text
    • http://babika.cz/data/files/gawijavisumapumimu.pdfIn PDF document text
    • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/162422e56d71c5---vokulugabamo.pdfIn PDF document text
    • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1624c0c716d985---84281056030.pdfIn PDF document text
    • https://autoprofi.ua/userfiles/file/23443597406.pdfIn PDF document text
    • https://negociosvalki.pe/UserFiles/file/16412385480.pdfIn PDF document text
    • https://gugewixurot.weebly.com/uploads/1/3/4/3/134393699/wuvipuzevigi_duwivuneres.pdfIn PDF document text
    • https://ludutuwe.weebly.com/uploads/1/3/4/6/134687162/sezipurur_kifafi.pdfIn PDF document text
    • http://aptekarynek.pl/zdjecia/fck/file/bebusobatipupodelede.pdfIn PDF document text
    • https://vibotulazibet.weebly.com/uploads/1/3/4/7/134729177/kojabet-kuzafuwuk-zesen-mixojit.pdfIn PDF document text
    • https://yk-tech.com.tw/ckfinder/uploads/ckfiles/files/55982206956.pdfIn PDF document text
    • https://zadiletewus.weebly.com/uploads/1/3/4/5/134522124/4ffe0.pdfIn PDF document text
    • https://vebogeperudibot.weebly.com/uploads/1/3/1/4/131455328/ribetotimiliwevapu.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_off000099b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x99B9 16104 bytes
SHA-256: 1683132df508419573e3af39702425d67d5bd028661feb5868b7220081a01252
font_01_sfnt_off0000c37d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC37D 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000db94.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB94 10960 bytes
SHA-256: 3e48a4cafd3fb16da67848d53df8d3be4eaea2b41e0aa6e621eb4a62f8633062

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