Malicious PDF — malware analysis report

Static analysis result for SHA-256 c44a17b28b102a47…

MALICIOUS

PDF

88.6 KB Created: 2021-01-06 07:10:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: eda073e55d7c1b077b7b44ae7d9d4016 SHA-1: 59d9305366c4358ad3693bcbc17385326ebca24d SHA-256: c44a17b28b102a47c5355dcb8dd5f5fe9da2de0bb56d16ec2c4b21c638a14dd9
152 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://gettraff.ru/aws?utm_term=indesign+templates+report'. This URL is likely used to deliver a malicious payload or redirect the user to a phishing page. The ML classifier also flagged the PDF with a high score, and ClamAV detected it as 'Pdf.Phishing.Trojan'. No scripts were extracted, but the presence of a malicious URL strongly suggests a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9715

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://gettraff.ru/aws?utm_term=indesign+templates+report
    • https://cdn.sqhk.co/jumupebuvi/ygijhAm/23737538873.pdf
    • https://cdn.sqhk.co/razanifuwuz/Oq0idhh/jobipux.pdf
    • https://cdn.sqhk.co/fekawifen/D0Rhhgd/duramax_diesel_truck_pull_videos.pdf
    • https://static.s123-cdn-static.com/uploads/4379355/normal_5fe413f70ae42.pdf
    • https://cdn.sqhk.co/kesokirow/fhghfjj/cake_designs_wallpaper.pdf
    • https://cdn-cms.f-static.net/uploads/4406208/normal_5fe66b5345f99.pdf
    • https://cdn-cms.f-static.net/uploads/4374522/normal_5f8964f273f0c.pdf
    • https://cdn.sqhk.co/bewewojiwo/iibibgi/learn_spanish_teach_english_exchange.pdf
    • https://cdn-cms.f-static.net/uploads/4420597/normal_5f9b9aa46bcb3.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/667f73cc-eab0-497b-bfdb-53a1f23fda67/milopi.pdf
    • https://uploads.strikinglycdn.com/files/2778850d-9013-41b6-b815-280197f6f5e5/18138400372.pdf
    • https://s3.amazonaws.com/rimejiguvif/88522721451.pdf
    • https://uploads.strikinglycdn.com/files/80ffdcbb-0973-4aae-a712-9ac29e1ab4f4/loxulirigined.pdf
    • https://uploads.strikinglycdn.com/files/bb678711-3a73-4b8a-aebb-67b9e6d3b8e1/61130616225.pdf
    • https://uploads.strikinglycdn.com/files/f139404b-7677-4847-89d8-27419f4e0923/ecg_interpretation_made_incredibly_e.pdf
    • https://uploads.strikinglycdn.com/files/fd15af5f-aa2a-4090-94b6-df7b83efdc64/3843798716.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00013609.bin
d1fb219d429707bdcf097961fe74479dcb11939e4caea585156bd59552376c2d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13609 5216 bytes

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