Malicious PDF — malware analysis report

Static analysis result for SHA-256 95670b76e574cbb6…

MALICIOUS

PDF

50.6 KB Created: 2020-12-06 13:54:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 369e070965da4638c014c15788538b21 SHA-1: 18eba17b10daabb6eddba62ec3ce15e3d75ef199 SHA-256: 95670b76e574cbb63da9cc4f3eaece05bf0dcd137dfa269dec58a8f6876d07e3
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link farm and an SEO redirector disguised as a free download lure, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier further support its malicious nature. No scripts were extracted, but the presence of external links suggests a potential download or redirection to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7180

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://trafffe.ru/aws?utm_term=billboard+mockup+free++psd PDF link annotation
    • https://kodivowu.weebly.com/uploads/1/3/4/3/134360374/xobopodowemarumadeki.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc07d836b97992eb55a0df7/t/5fc1625064571256546febb9/1606509140501/37134132078.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc3486312facd59cebc5192/t/5fc4426f61e25426e1bf785c/1606697583515/solid_state_chemistry_and_its_applications_download.pdfIn PDF document text
    • https://s3.amazonaws.com/suzixegazunow/remujapuwesikuval.pdfIn PDF document text
    • https://s3.amazonaws.com/rakabexozu/tizuxipo.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe0a65f81c9a2a0c69670a/1606290022028/89490681433.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0fe012e537a05ef0995e2/t/5fc1d3533570fb44d1460aac/1606538069028/24506333255.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe0f9df81c9a2a0c69d5ae/1606291357701/potassium_chloride_davis.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcf480cc750a3b5a055283/1606218881115/harvest_intermediate_chinese_textbook.pdfIn PDF document text
    • https://s3.amazonaws.com/dugibabafod/giridih_weather_report.pdfIn PDF document text

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