Malicious PDF — malware analysis report

Static analysis result for SHA-256 7829bbd6ce233973…

MALICIOUS

PDF

67.4 KB Created: 2020-11-19 15:59:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-16
MD5: 7d6c0352ee2f31f74abbf394071e0d58 SHA-1: 2144303a21e9e9ed2da4f53b3a549f3064a67198 SHA-256: 7829bbd6ce233973b56381387746eaf85136e995c367b88fb2a3f713cff992a5
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/123?utm_term=microwave+butternut+squash+soup In PDF document text
    • https://cdn-cms.f-static.net/uploads/4367000/normal_5f873a9051920.pdfIn PDF document text
    • https://mipirizu.weebly.com/uploads/1/3/2/6/132682564/c1819b0c0c.pdfIn PDF document text
    • https://biwugina.weebly.com/uploads/1/3/1/1/131163984/7401480.pdfIn PDF document text
    • https://towetebofipu.weebly.com/uploads/1/3/1/4/131437669/72c776f2c3ce.pdfIn PDF document text
    • https://lisokafi.weebly.com/uploads/1/3/4/6/134694643/25286.pdfIn PDF document text
    • https://gozexorajive.weebly.com/uploads/1/3/4/6/134610068/27e24438.pdfIn PDF document text
    • https://xavoxoxuda.weebly.com/uploads/1/3/1/3/131379246/4092009.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/jidosatikim/descargar_angeles_y_demonios.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/519549a1-32f3-4516-ae80-612e9f215f6d/91254024835.pdfIn PDF document text
    • https://s3.amazonaws.com/pusumowi/74439708603.pdfIn PDF document text
    • https://s3.amazonaws.com/purawuma/national_history_bee_study_guide_middle_school.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_off0000c9df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC9DF 5412 bytes
SHA-256: 8ac61cc590bcbf8e26d2205fa9900068293f01662d266c020c750b2efecb97c3
font_01_sfnt_off0000dc68.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC68 10628 bytes
SHA-256: 8a049b530c431b8d17c67fbb57507bdeb3cb2595a886e3ae577d43769bf7a05d