Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa143e4f38022dd3…

MALICIOUS

PDF

49.6 KB Created: 2021-02-09 17:24:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: f35955e7548412ccad23565ec2077688 SHA-1: c6f3a6c282476c596f149adf0916faf9f37c3e87 SHA-256: aa143e4f38022dd31244fd13a038a7dda1940f91da1785b142a4af8382a4b403
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains embedded links that redirect to known malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The ML classifier also flagged the document as malicious. While no scripts were explicitly extracted, the presence of malicious URLs suggests an attempt to download or redirect the user to a malicious payload, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6039

Heuristics 3

  • 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.
  • 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://yafferge.ru/aws?utm_term=ethical+hacker+tools In PDF document text
    • http://copyrighytsupport.com/kathi_video_song_masstamilan5a0p7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382621/normal_5fd62b1d4d8fc.pdfIn PDF document text
    • http://dayzcommunity.info/tidawowonasoyc9oe.pdfIn PDF document text
    • https://cdn.sqhk.co/gaxobenona/fgfgfhd/grand_crime_gangster_hack_apk_download.pdfIn PDF document text
    • https://s3.amazonaws.com/zozuxukoxo/camera_fv-_5_full_apk_free.pdfIn PDF document text
    • https://s3.amazonaws.com/kabisebax/nusobogetema.pdfIn PDF document text
    • https://s3.amazonaws.com/vonusirukete/superman_cartoon_movies_free.pdfIn PDF document text
    • https://s3.amazonaws.com/bajapovogam/greatest_common_factor_worksheet_with_answer_key.pdfIn PDF document text
    • https://s3.amazonaws.com/pasawe/tuwaxotakimife.pdfIn PDF document text
    • https://s3.amazonaws.com/kovezodepugov/nirefeguzadutugumupam.pdfIn PDF document text