Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2d51f168f29fcc6…

MALICIOUS

PDF

35.1 KB Created: 2020-06-07 15:46:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ba3a4840ca26470912faf1954aea268b SHA-1: 16cbc333caa9144a8ffa8e1ecd69d64125cfaea9 SHA-256: d2d51f168f29fcc6cc29c026ef19e100211df67a417c1261f2104d30d5cd86f3
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a deceptive title and a large number of embedded links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious with high confidence. The primary attack pattern involves directing users to a network of linked websites, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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 http://jiebaoyulechengbeiyongwangzhi.br3h.com/uploads/1/3/1/0/131071117/131071117.html#cehennem+melekleri+4+t%25C3%25BCrk%25C3%25A7e+dublaj+izle+youtube%253D
    • http://itprojectmanager.info/uploads/1/3/1/0/131070489/retabitoxejoruxa.pdf
    • http://shopcutelittlemuchkins.com.au/uploads/1/3/0/9/130969876/bd941d662a5199f.pdf
    • http://savitripersonaltraining.com/uploads/1/3/0/9/130969840/0b8948067e66a.pdf
    • http://amityprojects.com/uploads/1/3/0/2/130274076/6570662.pdf
    • http://head2toesalon.net/uploads/1/3/0/6/130621995/xepujoranuwaze_tavogotofifowo_rusagazipijemof.pdf
    • https://kixametozi.files.wordpress.com/2020/06/32571534433.pdf
    • https://saxapepe.files.wordpress.com/2020/06/44016505610.pdf
    • https://segokowiw.files.wordpress.com/2020/06/43981036076.pdf
    • https://dukakala.files.wordpress.com/2020/06/gotukanefojokediguxo.pdf
    • https://sinegimagex.files.wordpress.com/2020/06/98583445472.pdf
    • https://jedadedax605715953.files.wordpress.com/2020/06/28482369858.pdf
    • https://wakatox.files.wordpress.com/2020/06/25718552752.pdf
    • https://wubegupo.files.wordpress.com/2020/06/farugasejuri.pdf
    • https://kerivenulod.files.wordpress.com/2020/06/wenewuzowomixuxowapomagu.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005aa3.bin
3e796378d38b1711aae3ce17f92d3d39990dd018627b751126f3b941433c9cfd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AA3 11332 bytes

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