Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dd3c659f8f186fc…

MALICIOUS

PDF

83.9 KB Created: 2022-04-21 04:53:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-26
MD5: e753d6ef1e9c275b2851ba7a1acafb8b SHA-1: 6cfee7be251374de7ee66d86b9623e901fc2c7e4 SHA-256: 3dd3c659f8f186fcddcc33bb11fa479e0e56dadbbfda51b312534c67a7e1ed82
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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=sub%20zero%20650%20parts%20list PDF link annotation
    • https://zifereli.weebly.com/uploads/1/3/4/3/134347484/tupizulogo.pdfIn PDF document text
    • https://dawutika.weebly.com/uploads/1/3/1/4/131407504/modasi.pdfIn PDF document text
    • https://zijepujalikok.weebly.com/uploads/1/3/1/0/131071164/fd1e750b3.pdfIn PDF document text
    • http://thaymanhinhlaptop.com/userfiles/file/fovupitedemevomataxoladi.pdfIn PDF document text
    • http://betsinfo.org/userfiles/files/dofufefemela.pdfIn PDF document text
    • https://luxaxila.weebly.com/uploads/1/3/0/8/130814132/6b3fd.pdfIn PDF document text
    • https://bomigisojibovo.weebly.com/uploads/1/3/0/9/130969974/badelozoluvek-bebusupajurije.pdfIn PDF document text
    • https://ketawikiluruwa.weebly.com/uploads/1/3/4/7/134741516/5928307.pdfIn PDF document text
    • https://wazajatagif.weebly.com/uploads/1/3/4/3/134376275/mezabutatojukuz-minisevan-vogujemoxetasef-botosukeru.pdfIn PDF document text
    • https://reviniwixex.weebly.com/uploads/1/3/1/4/131407974/mozemib-vidivo-ridine-wobiberetawi.pdfIn PDF document text
    • https://mebuduwo.weebly.com/uploads/1/3/1/4/131453299/fd032fa3.pdfIn PDF document text
    • https://shop-ecobati.com/medias/upload/files/supenurixukulo.pdfIn PDF document text
    • https://siroyensao.com/upload/files/tufutibek.pdfIn PDF document text
    • https://dujisiseruw.weebly.com/uploads/1/3/0/7/130776106/lebagege-dimise-tokaronekis-davejujup.pdfIn PDF document text
    • https://tebiwoturaf.weebly.com/uploads/1/4/1/3/141351790/nafutubafozotezagir.pdfIn PDF document text
    • https://remekoti.weebly.com/uploads/1/4/1/3/141376343/1910436.pdfIn PDF document text
    • https://jawejeletisib.weebly.com/uploads/1/3/4/8/134886371/danulazofonumawida.pdfIn PDF document text
    • https://majubesar.com/contents/files/71626803735.pdfIn PDF document text
    • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16201a4d3dde8e---8444108103.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_off0000e121.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE121 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000f938.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF938 10940 bytes
SHA-256: 344a769fd1c85923d2a87c596ed3150b35d02c6f0f8b378f490a4b0686561fd6
font_02_sfnt_off0001128a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1128A 17768 bytes
SHA-256: d0fd0805fe96d25ac973b5ef040eaa9bdb373621490d4835ba373541535e88e7

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