Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d3b808aae51d8c8…

MALICIOUS

PDF

71.1 KB Created: 2021-01-09 20:41:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-14
MD5: 1f540738e7dfba18247fb56d177f3394 SHA-1: 31c9e32ec9701da14829e0e41e76edfdbbdb6ac5 SHA-256: 0d3b808aae51d8c82e87f73d7fb3456a76aa08f842a3a5531e25bcde1a416712
262 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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/wb?keyword=top%20football%20manager%202020%20hack%20apk In PDF document text
    • https://lonojoxojiliw.weebly.com/uploads/1/3/1/4/131438577/1736de06fd74.pdfIn PDF document text
    • https://pidivupam.weebly.com/uploads/1/3/4/3/134327465/difiv.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4479678/normal_5fb4055e8ee83.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4484122/normal_5fec07786a994.pdfIn PDF document text
    • https://robubafo.weebly.com/uploads/1/3/4/5/134588337/7896829.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392195/normal_5fbccdfd1ac04.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393904/normal_5f9d7237d36e6.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/rozebofukixus/snap_on_online_automotive_repair_manuals.pdfIn PDF document text
    • https://s3.amazonaws.com/dotivaf/chale_aana_pagalworld._io.pdfIn PDF document text
    • https://s3.amazonaws.com/kigavanus/cisco_ie_3010_switch_software_configuration_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/zulezov/section_8_notice_template.pdfIn PDF document text
    • https://s3.amazonaws.com/bejideba/kimem.pdfIn PDF document text
    • https://s3.amazonaws.com/jedadokuti/57789142357.pdfIn PDF document text
    • https://s3.amazonaws.com/bubeto/bibtex_file_format_example.pdfIn PDF document text
    • https://s3.amazonaws.com/samopakamefap/number_formation_worksheets_free.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_off0000d676.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD676 5676 bytes
SHA-256: 88e339d253e63dcd2b00d4045c6e322422a084916c6c93fa889c8864fe63d249
font_01_sfnt_off0000e99e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE99E 11168 bytes
SHA-256: 59d5a398599f6749a6ae43d39875af5eabc27f589619915d952f86d9d50e4569

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