Malicious PDF — malware analysis report

Static analysis result for SHA-256 624f2a7efa4fa6aa…

MALICIOUS

PDF

40.0 KB Created: 2020-10-19 14:20:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-29
MD5: d01689d4aaa5d6f15df422a3f1465509 SHA-1: 7bd0035cf7f88880ba338f15ffe5d9c8c8798ad1 SHA-256: 624f2a7efa4fa6aaf6f1ba5611bd7ef5e3cb0e8353aedcd9e3c3cbbaacf056a3
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://cctraff.ru/123?keyword=brutality+101+trophy+guide In PDF document text
    • https://dokakida.weebly.com/uploads/1/3/1/3/131380589/wemetoxamudegi.pdfIn PDF document text
    • https://viweposedijul.weebly.com/uploads/1/3/1/0/131070314/simarefafagiveb.pdfIn PDF document text
    • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/155011.pdfIn PDF document text
    • https://wonigebegi.weebly.com/uploads/1/3/1/6/131606731/54c86654.pdfIn PDF document text
    • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/8980310.pdfIn PDF document text
    • https://rolosakuzorega.weebly.com/uploads/1/3/1/3/131379035/8368313.pdfIn PDF document text
    • https://texitanoz.weebly.com/uploads/1/3/0/7/130739996/nutokekelomalek.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373987/normal_5f8c411e1212c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366360/normal_5f8b52805ba79.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366630/normal_5f8730a2abaf2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369502/normal_5f8d2549d51a2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368226/normal_5f8843d3c8fe8.pdfIn PDF document text
    • https://jonukejunuxesa.weebly.com/uploads/1/3/1/4/131409236/revunotalexozo.pdfIn PDF document text
    • https://buveziketi.weebly.com/uploads/1/3/1/3/131398526/5073021.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366027/normal_5f89a2b41d5b9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366311/normal_5f87b0cbe3e4f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0502/8898/4222/files/ge_vivid_7_pro_manual.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005e80.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E80 5388 bytes
SHA-256: 27a8dfe3337b81a67bb983eb369ce99d99d85b3abf98560e1492a4f1894116ab
font_01_sfnt_off000070d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70D4 10180 bytes
SHA-256: 3db6dade8a51981b6934a80b1629faec68e5f8a40f44cc6a4148ad672b4c6055

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