Malicious PDF — malware analysis report

Static analysis result for SHA-256 5508cb2a252fc708…

MALICIOUS

PDF

67.6 KB Created: 2021-01-26 12:29:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-23
MD5: 4023653976856a672121895810916fc9 SHA-1: dabc35fcdbdb4d41d920159176d2f737485ab97a SHA-256: 5508cb2a252fc7089cfd44eafcf0a3d725c7d6ea9eb9b05986d07ba1d562e63f
94 Risk Score

Malware Insights

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

The PDF file contains embedded URLs that lead to suspicious domains, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the presence of external URIs and the overall detection suggest the document is designed to redirect users to malicious content, likely for phishing or malware download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8050

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
  • 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://seumenha.ru/aws?utm_term=english+songs+app+for+android PDF link annotation
    • http://chempion.coffee/65927574049u9z20.pdfIn PDF document text
    • https://cdn.sqhk.co/kisereta/jbtOy7Y/84670117461.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4502178/normal_5fd8d0b777823.pdfIn PDF document text
    • https://cdn.sqhk.co/vamunidibu/zkidzJb/guzuwinuloratinow.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4418370/normal_5fe41546a3726.pdfIn PDF document text
    • https://cdn.sqhk.co/deguxikezu/cNtgdij/fiat_500_lounge_interior_pictures.pdfIn PDF document text
    • https://cdn.sqhk.co/munakuvu/lhjcEjg/true_love_story_books_name.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385847/normal_5fd91a9cbb517.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417046/normal_5fe8487431199.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/bipovoromoj/kinapuluzutuxotawikim.pdfIn PDF document text
    • https://s3.amazonaws.com/lonozote/zitowuviduzofujujaxizedaz.pdfIn PDF document text
    • https://s3.amazonaws.com/bupijila/bike_race_video_free.pdfIn PDF document text
    • https://s3.amazonaws.com/gafedupeba/android_19_dokkan_ultimate_clash.pdfIn PDF document text
    • https://s3.amazonaws.com/towakog/22407338017.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_off0000e40c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE40C 5260 bytes
SHA-256: e9bfd0982f4a1c6b160f06cda54ce00106ac9b5107b21bcf39bf1557e32f6ceb

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