Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d2a353468365ffa…

MALICIOUS

PDF

64.1 KB Created: 2020-12-30 01:53:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16
MD5: f3487e95a951bbe27e77fd2ebef9cb06 SHA-1: b75baf16e6ddcc55fc41f3f2e54e0f4038e274ab SHA-256: 5d2a353468365ffad11d7ea28b93fe125b31561f3f6becd0f484ac99967fbf0f
94 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file contains a heuristic indicating an external URI, specifically pointing to 'https://traffine.ru/strik?utm_term=uncrowned+greatest+hero+lyrics'. This URL is presented within the document body, disguised as 'Uncrowned greatest hero lyrics'. The ClamAV detection and ML classifier further support its malicious nature. The presence of an embedded URL suggests a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7722

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/strik?utm_term=uncrowned+greatest+hero+lyrics PDF link annotation
    • https://cdn.sqhk.co/mewuwemiromi/hbcgdjd/66271628639.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426815/normal_5fe2693a8a8d7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383582/normal_5f9c3bc0c11db.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490371/normal_5fb533864444f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/gazitif/cisco_ccmp_troubleshooting_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/tapexiw/cat_mouse_apk_apkpure.pdfIn PDF document text
    • https://s3.amazonaws.com/zuguvoxoki/27727066550.pdfIn PDF document text
    • https://s3.amazonaws.com/felasorarabipis/pibelon.pdfIn PDF document text
    • https://s3.amazonaws.com/baxegezivumi/45901582584.pdfIn PDF document text
    • https://s3.amazonaws.com/liluvad/vertigo_1958_full_movie_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/92aa8e90-d97c-44a5-89c7-ce65113e6353/18688194202.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2a1d795d-26f4-456f-9ed1-4b6cb2599de8/gukegoregezafaru.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cf82.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCF82 9896 bytes
SHA-256: 3de753753d576d91e34a0d7ab3b4e3a4e521150a29e3082d224be30ea819613f
font_01_sfnt_off0000f090.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF090 5388 bytes
SHA-256: f1308e3fd8adf252df026420ab4a712916bc2f6bf82b4bb345fc17511d1ed291

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