Malicious PDF — malware analysis report

Static analysis result for SHA-256 3238bd5e1388c9e0…

MALICIOUS

PDF

15.6 KB Created: 2020-11-04 14:56:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: a2c12e0d30092d024608a5c4017ca147 SHA-1: 8f7926e7d0e501b9a7e6ff10a8a672eed6dc9d83 SHA-256: 3238bd5e1388c9e01456a35c00b0a24215d7b55fda611ef0653a88d26e496831
132 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to known malicious infrastructure, specifically identified as an SEO-based redirector. This suggests the document is designed to lure users to a malicious site, likely for phishing or to download further malware. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9975

Heuristics 3

  • 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://gettraff.ru/aws?keyword=forro+dance+brazil In PDF document text
    • https://cdn-cms.f-static.net/uploads/4381090/normal_5f8d04e3064bb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446643/normal_5f9d5b9dc82a6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407813/normal_5f93d3f3ce32d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369655/normal_5f9c6ddb4c816.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403817/normal_5f9303d0e904d.pdfIn PDF document text
    • https://s3.amazonaws.com/mexavofezoxi/10109811687.pdfIn PDF document text
    • https://s3.amazonaws.com/gixawetopoli/fighting_manga_similar_to_baki.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a3469dfe-28fa-4aff-b3ad-1b161489ecd6/16262006450.pdfIn PDF document text
    • https://s3.amazonaws.com/dorobukasawituw/rpg_skills_mod_1.7.10.pdfIn PDF document text
    • https://s3.amazonaws.com/gozilum/acrobat_reader_converter_download.pdfIn PDF document text
    • https://s3.amazonaws.com/wajibile/unscramble_words_with_answers.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e6d48893-b16f-4967-905b-5f30037e0c60/lisivevudoxojebisekob.pdfIn PDF document text
    • https://s3.amazonaws.com/xezonijida/gonisilufigijuri.pdfIn PDF document text
    • https://s3.amazonaws.com/sorogamat/wanewidixojawawavugora.pdfIn PDF document text
    • https://s3.amazonaws.com/fujadabez/kukidilebanodematavedaj.pdfIn PDF document text

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