Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d8e49bb91477f06…

MALICIOUS

PDF

40.6 KB Created: 2020-10-25 07:04:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-18
MD5: aed6bbe807418c7fbd68c261b6c71bc9 SHA-1: 1c1b2623b9e5f4d56a44fa1089ab739266b34268 SHA-256: 5d8e49bb91477f06a964ce9aec96c07d91c788b6084e0e02972aaf67890e270e
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://ggtraff.ru/wb?keyword=sheet%20piano%20music%20pdf In PDF document text
    • https://korodaziso.weebly.com/uploads/1/3/0/7/130740443/41839c2cea9d9b.pdfIn PDF document text
    • https://tavumake.weebly.com/uploads/1/3/2/7/132740551/peparaximezur.pdfIn PDF document text
    • https://suganolorifumu.weebly.com/uploads/1/3/0/8/130814011/7b4c3ad80.pdfIn PDF document text
    • https://wumevevevusawu.weebly.com/uploads/1/3/4/3/134388399/8908821.pdfIn PDF document text
    • https://waniremupamed.weebly.com/uploads/1/3/1/4/131407535/motugilelil_nuruzakinud_wogifemom.pdfIn PDF document text
    • https://lixaworone.weebly.com/uploads/1/3/1/8/131871871/mufelitusowuja_konanuki.pdfIn PDF document text
    • https://femevidawivuk.weebly.com/uploads/1/3/1/0/131071063/labizozinojuj.pdfIn PDF document text
    • https://jakemujilofadam.weebly.com/uploads/1/3/1/3/131380171/botawe_nuzelox_lujerux_xotejux.pdfIn PDF document text
    • https://risimukino.weebly.com/uploads/1/3/1/3/131383953/c23c04f34a9c8.pdfIn PDF document text
    • https://rokufekajo.weebly.com/uploads/1/3/0/8/130814342/buvibovidemawax.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/1a5cfa0d-2a7d-413b-adf3-4874d33fe03b/55395594392.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/309c63cd-4a5a-422f-85ea-01de35abc063/pavuvipasog.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5d3730b8-aad3-44d1-8ff8-0568ad79b73f/mawipavifopejofukofu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1455b11f-8d01-4879-a734-b1642f21e28c/nezitoxepujaxolurimu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0499/3210/7937/files/construction_safety_signage.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0471/0282/0502/files/morphe_brand_owner.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0487/0724/0086/files/larryboy_the_cartoon_adventures.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9465/3594/files/25562010101.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_off00005fc1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FC1 5372 bytes
SHA-256: 6522f4d2f349521203566456fc28395cc83c40a52f4a818e4c1c850d93106ea1
font_01_sfnt_off000071e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71E7 10436 bytes
SHA-256: 0fa9f7fde47011e0f656a4726d4734b77269ef5757f3bb4961992ec65ebbc093

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