Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd746eb61b248022…

MALICIOUS

PDF

105.6 KB Created: 2020-10-18 04:43:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-18
MD5: 6a315ecd7105f4455227a8e1fb5a7a27 SHA-1: 27942431435d4905f9050ffc516486bafa05093f SHA-256: cd746eb61b2480221704e6882c3334e19327932c761184b134f130316dd26fc1
184 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://ggtraff.ru/wb?keyword=%D9%85%D8%A7%20%D9%87%D9%8A%20%D8%A7%D9%84%D8%B5%D9%8A%D8%BA%D8%A9%20%D8%A7%D9%84%D9%83%D9%8A%D9%85%D9%8A%D8%A7%D8%A6%D9%8A%D8%A9%20%D9%84%D9%84%D8%AD%D9%84%D9%8A%D8%A8 In PDF document text
    • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/filosom-lusiwikafese-jerupuxorukoti-novubolifunuw.pdfIn PDF document text
    • https://rugurujumififez.weebly.com/uploads/1/3/1/3/131384765/4946289.pdfIn PDF document text
    • https://fevixivosetakub.weebly.com/uploads/1/3/2/6/132681861/pekanapilosaw.pdfIn PDF document text
    • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/297c0.pdfIn PDF document text
    • https://goduvozimaku.weebly.com/uploads/1/3/1/3/131380582/821868.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368497/normal_5f88abe333b44.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369179/normal_5f894805938ef.pdfIn PDF document text
    • https://gonerogad.weebly.com/uploads/1/3/1/4/131438616/9824777.pdfIn PDF document text
    • https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/4942765.pdfIn PDF document text
    • https://penulikadima.weebly.com/uploads/1/3/1/4/131482887/jetugapop.pdfIn PDF document text
    • https://viwuwobigoku.weebly.com/uploads/1/3/1/3/131378942/dikunixupo.pdfIn PDF document text
    • https://mupibidegupek.weebly.com/uploads/1/3/0/8/130874042/1890735.pdfIn PDF document text
    • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/lixavej_rivutavipulox_vunezikavad_lirumonoguwako.pdfIn PDF document text
    • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/panofufakipaluk-minikawugixogov.pdfIn PDF document text
    • https://finazodaxuvoj.weebly.com/uploads/1/3/2/6/132682535/gofavunagurib-vapuwewuro.pdfIn PDF document text
    • https://fanavepuru.weebly.com/uploads/1/3/1/8/131871984/gojedevubonoz-kepoxak-gebufejiduna-wezagiw.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/950602f8-d6a1-4d8b-8ef6-2d7b8d2eaf12/kuliwopi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/50106d80-4d75-440c-99d1-a3b82b94b2e2/55304815565.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e329e4fb-7767-4d05-ad60-4d92a82f9f48/funowegejobovubezetek.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a7f747eb-52b4-4d95-8f54-3e888401a9f9/53028823605.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3a29aa26-38fa-4838-9c78-9b2cfa60dd50/49145959642.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1c442176-59e1-4abf-86ad-972e0c218a31/vabawurifusav.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d9a49364-6e14-4b52-b2bd-97e350bc6798/ponuronivebasugi.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
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_006_off00015c2e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x15C2E 33152 bytes
SHA-256: cbba591c7b81c421f484dca91917dd90aadb2942837411ffd50a71da5240904f
font_00_sfnt_off000111e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x111E2 4068 bytes
SHA-256: 788dadfba92c71442acf804ec0dd0c14ff7f55857de9061bad8e80d4b47171f3
font_01_sfnt_off00011fc0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11FC0 18116 bytes
SHA-256: fe190efeb63e5e474637f99dc4f4465d0eb8c1e02575a7285543474bf8a7d379
font_02_sfnt_off00013bba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13BBA 9448 bytes
SHA-256: 8bb76f4298a01c64debc3cc8926e669e78547a095a499dce7305b2bb24766214

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