Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec24dae9434f056b…

MALICIOUS

PDF

31.7 KB Created: 2020-10-02 12:46:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 5392c37328965c72ffd3228a7e99ff7e SHA-1: 94c23906ef4ac15cc26c2d1911222ae88e2d974e SHA-256: ec24dae9434f056bcd6df771156347070a78db0897412c2298c3f1f5262f6a10
92 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

Heuristics 2

  • 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.
  • 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/strik?keyword=public+officer+appointment+letter+template+sars+pdf In PDF document text
    • http://files.campbellbarnescounseling.com/uploads/1/3/1/4/131406659/xedisiwun-mutaxapeve-wilopijib-redomume.pdfIn PDF document text
    • http://files.casey-lab.com/uploads/1/3/1/0/131069875/2999992.pdfIn PDF document text
    • http://files.balancedforlifeyoga.com/uploads/1/3/1/3/131378816/wirojefunixu-kifuxi.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/1/0430/0632/8985/files/zetevuku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5387/5357/files/72557109110.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0465/0634/4606/files/blue_sky_complex_wiki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0011/0999/files/jezedezibilavar.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/464d4ddd-a88c-4c1a-8e5e-3b5896844161/guruwaw.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e52e1c73-08e2-4cf2-9842-8915dffa76a1/47462805041.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4444/5082/files/7th_grade_english_textbook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0480/8602/4356/files/au_and_aw_worksheet.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 6

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000553e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x553E 5444 bytes
SHA-256: 29b8b72e16ab125d682d8ff8eb74942db08e536963a1d20f44d29b3c91d1f2e0

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