Malicious PDF — malware analysis report

Static analysis result for SHA-256 01d0dbab9e28bc2e…

MALICIOUS

PDF

61.3 KB Created: 2021-02-26 08:42:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 1a6cc6c7188f9f7151d2be69709c1a54 SHA-1: 818da7b7bdbe9edf9f908a81a864a1084d22c5b3 SHA-256: 01d0dbab9e28bc2efd98570b565ee356386706bff8d3201516a181d8dbff603b
94 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The file is a PDF document that contains an embedded URL designed to trick the user into visiting a malicious site. ClamAV detected this as Pdf.Phishing.Trojan, and an ML classifier also flagged it as malicious. The embedded URL, https://druttle.ru/award?keyword=how+to+convert+jpg+file+to+pdf+in+mobile, is likely part of a phishing or malware distribution scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9936

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://druttle.ru/award?keyword=how+to+convert+jpg+file+to+pdf+in+mobile PDF link annotation
    • https://cdn.sqhk.co/vulovosovem/33Hjdhf/9476172638.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373004/normal_6027e0448dcf3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383804/normal_5fe8c75c9c3af.pdfIn PDF document text
    • http://juguzixuvuw.iblogger.org/61590113494.pdfIn PDF document text
    • http://tojokepolosuku.iblogger.org/lulu_support_guide_s9.pdfIn PDF document text
    • https://cdn.sqhk.co/xefilelo/gijjdhe/juwuwumevaratirabura.pdfIn PDF document text
    • http://pushbiz.fun/sedezogatulawowenixr6z0q.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4401555/normal_5fe5e2804a659.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zukevajisuw.rf.gd/employee_evaluation_templates_free.pdfIn PDF document text
    • https://s3.amazonaws.com/kifutizijebuj/52692838741.pdfIn PDF document text
    • https://s3.amazonaws.com/gumagabu/10076125139.pdfIn PDF document text
    • https://s3.amazonaws.com/xotomisen/ronesomiweserop.pdfIn PDF document text
    • https://s3.amazonaws.com/zabevog/bkav_home_2018_free.pdfIn PDF document text
    • https://s3.amazonaws.com/nuselufuzo/bolacha_de_arroz_camil_informao_nutricional.pdfIn PDF document text
    • https://s3.amazonaws.com/bamepofewalada/56812639871.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_off0000dd36.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD36 5204 bytes
SHA-256: 52167dab794adb0a6096f9f22f82582d930be40d9a3164a948b7f4ec731d3209

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