Malicious PDF — malware analysis report

Static analysis result for SHA-256 33ce38643e573ca6…

MALICIOUS

PDF

66.6 KB Created: 2021-01-06 05:47:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 363ea58dc4626a101b6b590a7d8b51d2 SHA-1: 83a5f02b2d80e1f3e186ddd3d3bad4c19ffaf69c SHA-256: 33ce38643e573ca6889ce01ad683f42ef16204f22f4cded2c3b75af1d98b887b
192 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, which is designed to lead users to a phishing site. The ML classifier and ClamAV detection further support its malicious nature. Although no scripts were extracted, the presence of a malicious redirector URL indicates a phishing attempt, likely delivered as a spearphishing attachment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7434

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://traffine.ru/aws?utm_term=extragonadal+germ+cell+tumor+guidelines In PDF document text
    • https://cdn.sqhk.co/bikawegaj/c8iiKgC/word_of_the_day_collins_dictionary.pdfIn PDF document text
    • https://s3.amazonaws.com/wupixufekijax/82801980125.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/70607ac5-5d54-47ee-9856-70b0bbe5d6af/gepesuk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/798f46fa-bcce-4c80-86f4-30d252f42521/artemis_fowl_series_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fb812771-5454-458b-bfeb-2c42bc05723e/casino_royale_hd_vietsub.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c3906bda-5e11-4f0b-952b-17097f188765/pba_bowling_today_live.pdfIn PDF document text
    • https://s3.amazonaws.com/kegubinefuda/bififapemitukebo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/724f6936-132b-43dc-88a2-b0240b7534e0/star_wars_episode_7_putlocker.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a7f0402b-b7ff-456e-86ab-28f94e56c062/talolopobonumujadisajofu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/034d808f-fa3a-406d-95c5-95bce950b4e3/kobus.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/989bbab2-1019-4758-ab51-e41f267d8505/plus_size_rash_guard_target.pdfIn PDF document text
    • https://s3.amazonaws.com/dalava/44537351578.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/36603a65-e9be-4f7e-9e4d-dbf17e670d7c/zaxibifepiwiwivewuwewufiv.pdfIn PDF document text

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