Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6f045a5dc115a6d…

MALICIOUS

PDF

46.9 KB Created: 2020-12-17 21:42:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: de708ec5aa077ba27fcd0baee9ca0530 SHA-1: 913a3e2f8c7cc234d1123f4616ec8fa2e14df5e4 SHA-256: c6f045a5dc115a6da3b1d7c14a41eab2795cc8bba9251113a3728983784f7847
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection further support its malicious nature. Although no scripts were explicitly extracted, the PDF structure and embedded URL suggest an attempt to redirect the user to a malicious site, likely for credential harvesting or further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7473

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.
  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://cctraff.ru/123?utm_term=islam+in+africa
    • https://vufevilasok.weebly.com/uploads/1/3/4/3/134314299/lonuduwevaradatawawi.pdf
    • https://pevugubak.weebly.com/uploads/1/3/2/7/132740457/0625d8b7.pdf
    • https://cdn-cms.f-static.net/uploads/4485799/normal_5fb7a040e9ed0.pdf
    • https://xoselupovogim.weebly.com/uploads/1/3/4/6/134610719/6639856.pdf
    • https://s3.amazonaws.com/wurivuve/android_studio_recyclerview_inside_scrollview.pdf
    • https://static1.squarespace.com/static/5fc294961452f90b7fefeff3/t/5fc37c70145a8629dc1d4a27/1606646897452/39539943147.pdf
    • https://uploads.strikinglycdn.com/files/fefd8898-401d-48d2-a782-0198b8752706/28319850268.pdf
    • https://uploads.strikinglycdn.com/files/9864e083-e618-454b-a664-a38105812c18/broadcom_ush_driver_dell_latitude_e6.pdf
    • https://uploads.strikinglycdn.com/files/9d645453-633a-4280-8d66-add23dc4c85b/watch_yugioh_online_english_dubbed.pdf
    • https://s3.amazonaws.com/rejiner/dunibinemepogen.pdf