Malicious PDF — malware analysis report

Static analysis result for SHA-256 4785a018baa04ca6…

MALICIOUS

PDF

34.9 KB Created: 2020-10-16 13:27:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-20
MD5: 5a0706d0692b0de1b849f1bb90b83d12 SHA-1: dbc83689745b15aab68ff5e10e448c90c5d663f3 SHA-256: 4785a018baa04ca623954365eb13d7f6d6ee9bf634ad6f0379333ac3f8c9bba5
184 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://gettraff.ru/wb?keyword=salomon%20shoes%20elios%202%20gtx In PDF document text
    • https://korodaziso.weebly.com/uploads/1/3/0/7/130740443/famoratepuwumor.pdfIn PDF document text
    • https://ruwopevod.weebly.com/uploads/1/3/1/3/131397973/8413235.pdfIn PDF document text
    • https://derodaju.weebly.com/uploads/1/3/1/6/131606282/6041046.pdfIn PDF document text
    • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/kinufijozulof.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365586/normal_5f88fc143a198.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365598/normal_5f86fa28665f2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370057/normal_5f88ede69b691.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365613/normal_5f870adbab1af.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366044/normal_5f87444fc6909.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366063/normal_5f87303a1f64f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368485/normal_5f8841ae4cb5c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366032/normal_5f876328e76d3.pdfIn PDF document text
    • https://jaserasozupog.weebly.com/uploads/1/3/1/4/131454215/bdfa22f.pdfIn PDF document text
    • https://dofazodasi.weebly.com/uploads/1/3/0/8/130873943/xexumetofir.pdfIn PDF document text
    • https://zafozudakajadev.weebly.com/uploads/1/3/0/8/130814863/b628c54eef4e3.pdfIn PDF document text
    • https://vimiwegom.weebly.com/uploads/1/3/0/7/130775837/9584872.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370317/normal_5f88ab083764f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368752/normal_5f882ea20086c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370268/normal_5f894fd1b5689.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365547/normal_5f8745ea3a899.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/65d9274b-2f72-4140-a94e-304274c45a04/23922253799.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ccc3f8ca-59f1-42f9-bce0-8397ff004cdf/89797251435.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f218cf5e-ba33-47d5-877b-7943da517096/fovazar.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004c98.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C98 5308 bytes
SHA-256: 83a7ad53970ea8e62cd25e0599b8cd9d7e98bd066d1d1c3c185a0ef6170bcb40
font_01_sfnt_off00005e7e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E7E 9296 bytes
SHA-256: 2d588610e9f454d4e0dacff6aea7c1a9a4e11e6add0266a0a173e11a05325d74

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