Malicious PDF — malware analysis report

Static analysis result for SHA-256 4415cb8a7077d753…

MALICIOUS

PDF

42.4 KB Created: 2020-10-07 23:04:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-05
MD5: 47324b4238acf7cacef97b65da1e9bca SHA-1: 22f58f10747403e06907bf46fca51b03db631a7a SHA-256: 4415cb8a7077d753a549eb75b3edf8ebe4e9969f49faedc2cc2154d5bb10271a
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/strik?keyword=the+third+eye+book+sophia+stewart In PDF document text
    • https://site-1037896.mozfiles.com/files/1037896/tigutiwositiwajizeruku.pdfIn PDF document text
    • https://site-1038547.mozfiles.com/files/1038547/51700374143.pdfIn PDF document text
    • https://site-1036756.mozfiles.com/files/1036756/fitukirene.pdfIn PDF document text
    • https://site-1042419.mozfiles.com/files/1042419/67094171545.pdfIn PDF document text
    • https://site-1036840.mozfiles.com/files/1036840/temagexuxabemi.pdfIn PDF document text
    • https://site-1043119.mozfiles.com/files/1043119/26954987094.pdfIn PDF document text
    • https://site-1036730.mozfiles.com/files/1036730/ririkuzupomu.pdfIn PDF document text
    • https://site-1040974.mozfiles.com/files/1040974/94308456243.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006834.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006834.bin)
    • https://cdn.shopify.com/s/files/1/0438/0730/9984/files/bodituviwituj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9991/2344/files/perk_guide_fallout_4.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/06c83347-2aad-4d71-aca9-05a867e71551/70199309862.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cf51e8a3-b6ab-4c55-90c6-6dca0c84857b/41375218302.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ea01e32e-cf7d-4f7b-83e5-48c3344bf59c/39835298646.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/07cbc922-671f-4f6a-a3cf-e040cdba20b3/sufomo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/327064e4-bde3-48e0-87bd-4318b8ea0cd3/19775316346.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 extracted file (font_00_sfnt_off00006834.bin)

Related samples 4

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_off00006834.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6834 5364 bytes
SHA-256: edf2403b73005d1b83bc1c74574ac58f22e3829ee75099f4e5f011d8409d05ee
font_01_sfnt_off00007a77.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A77 10028 bytes
SHA-256: 258b17b8bad907d781052ef2b65d96890f0950810fa74f71b77b0e11557de77a

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