Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4bc9936e0b06170…

MALICIOUS

PDF

67.6 KB Created: 2021-01-03 06:10:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 52dbecbe8cbb8043f8a4145348b194da SHA-1: 624751818ed28864b1c460873d8dc456a41addc5 SHA-256: e4bc9936e0b06170f8bff778067b87345b9c58db547cdf1b47709f1698467e7a
192 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://traffmen.ru/aws?utm_term=glazing+bar+for+polycarbonate+sheets'. This URL is likely used as a lure, potentially for phishing or a scam, as indicated by the 'free-download phishing' heuristic. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, but the embedded URL is the primary indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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://traffmen.ru/aws?utm_term=glazing+bar+for+polycarbonate+sheets In PDF document text
    • https://cdn-cms.f-static.net/uploads/4529281/normal_5fc2bf47b4a6e.pdfIn PDF document text
    • https://cdn.sqhk.co/masamiwe/cSigd6E/wevesuna.pdfIn PDF document text
    • https://cdn.sqhk.co/kufejeni/iwhdEgd/24335930574.pdfIn PDF document text
    • https://cdn.sqhk.co/xedufoga/hijichc/sevazubevek.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374372/normal_5fa87f6dbd992.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/81bc55c6-82eb-45fe-88e0-88a6d6050291/jesafubifijugudenawe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c617425c-ad56-4043-8e48-bf3a665bf11b/new_credit_america_interest_rates.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/be394695-01ea-41c2-bb49-7d651fe68d07/dukofix.pdfIn PDF document text
    • https://s3.amazonaws.com/bezutu/free_bodmas_worksheets_year_6.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4010d0fd-c2ef-4e52-95b0-558f58f43e26/82189801571.pdfIn PDF document text
    • https://s3.amazonaws.com/fejakixoweka/chinese_government_scholarship_form.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/da5ed7fd-b8e4-4bb8-8301-70736a6a13af/espacio_biologico_periodontal_definicion.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/86fdf294-14d9-4617-b0d1-0c48e77bb1eb/saguvu.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e646.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE646 5600 bytes
SHA-256: 74ceb7b16fd8c421bccba430bfd8f5414a9644c2499546657c46765f2af0579a