Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e99d2509f56e634…

MALICIOUS

PDF

50.6 KB Created: 2021-02-06 19:11:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 0b863b74744185d937f547bd44355431 SHA-1: b2b0d3c0f3bbad500e9cf4f174fa037340d804ce SHA-256: 3e99d2509f56e6341486c57695ebd8cd8dcbe1463e4e5018f3f742b7875e956d
192 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link disguised as free sheet music, which redirects to a known malicious URL. This indicates a phishing attempt designed to lure users to a malicious site. The ClamAV detection and ML classifier further support its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7011

Heuristics 4

  • 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.
  • 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.
  • 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://crophysi.ru/aws?utm_term=lakme+flower+duet+vocal+sheet+music In PDF document text
    • http://reawont.online/8th_class_maths_ncert_book_download9prbh.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412382/normal_5fd1e7789c0da.pdfIn PDF document text
    • https://cdn.sqhk.co/patagarinixa/eghjcA1/house_electrical_wiring_diagram.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4389355/normal_5ff610e9450ed.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454277/normal_60184f81d19f5.pdfIn PDF document text
    • https://cdn.sqhk.co/libuzewis/jix4IhQ/soviet_posters_tomb_raider.pdfIn PDF document text
    • http://creditactive.info/vogosasofituq0mxk.pdfIn PDF document text
    • https://cdn.sqhk.co/pobumepova/jHjhhcW/soniganatura.pdfIn PDF document text
    • https://cdn.sqhk.co/buzomesil/gQ4jabf/vetalatir.pdfIn PDF document text
    • https://s3.amazonaws.com/varolexexus/pavaxarijetofemepolikox.pdfIn PDF document text
    • https://s3.amazonaws.com/wupixufekijax/sodemiloxodotamakiwub.pdfIn PDF document text
    • https://s3.amazonaws.com/degagaziv/today_weather_report_jabalpur_mp.pdfIn PDF document text
    • https://s3.amazonaws.com/fusopoxipo/basic_spanish_grammar.pdfIn PDF document text
    • https://s3.amazonaws.com/jenisozazewubo/ikea_uk_jobs_application_form.pdfIn PDF document text

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