Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e3dd0d32e5575ff…

MALICIOUS

PDF

62.4 KB Created: 2020-12-06 22:13:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-19
MD5: 94028a27e43804c92d9a9369942d0d90 SHA-1: 012a8da9def01b7a7f2f3b7fd32a2a1e2aacc6aa SHA-256: 4e3dd0d32e5575ff80237fc9d32cba8962283952298c0b38ae703a746e4de89d
254 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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=stethoscope%20vector%20free In PDF document text
    • https://rujuzodojavumip.weebly.com/uploads/1/3/4/7/134726220/5369912.pdfIn PDF document text
    • https://murarukaxew.weebly.com/uploads/1/3/4/6/134666391/dujokawiforexu.pdfIn PDF document text
    • https://fidevawane.weebly.com/uploads/1/3/0/8/130814252/wirixivixunaz.pdfIn PDF document text
    • https://zesopupejilit.weebly.com/uploads/1/3/0/7/130738861/paxurudegibituvu.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/xeponodij/frp_bypass_apk_samsung_for_android.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf581c3f75b16643cc40bb/1606375452836/this_old_man_meaning.pdfIn PDF document text
    • https://s3.amazonaws.com/lefemijip/94520576003.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/126b5b45-7817-440b-9b3f-700e3c61b2d4/20205465511.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1464c56b-052b-472d-8f8e-029270ca545d/sikizowamewuburow.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bb30909f-b19c-4cd8-94de-ee19575f53e9/papa_s_sushiria_games_cool_math.pdfIn PDF document text
    • https://s3.amazonaws.com/webipejonavuv/supply_chain_management_articles_2017.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc36151a13a450bab040bac/t/5fc741bf2ac13f1ee9b7c248/1606894016479/paradise_island_show_2020.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bb3942a9-7c03-472d-a61e-fdac5a623398/58734670402.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0cdab3398ff75152d912c/t/5fc4506af8cdb769c66d43bb/1606701168817/29154325760.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b0a1fcf9-3912-4536-9f19-92b403ab9968/83739962626.pdfIn PDF document text
    • https://s3.amazonaws.com/dojonuta/new_bollywood_movies_sites_list.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_off0000bc3e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBC3E 5024 bytes
SHA-256: d9052599af0485883f9f13f4dfcbcc256a3f1f883fdd3f4e540c242836dda1b3
font_01_sfnt_off0000cd60.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD60 9132 bytes
SHA-256: 238f2da7b8b3398d6b621e588be7db553d773c671bb380f815e99dd421276dde

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