Malicious PDF — malware analysis report

Static analysis result for SHA-256 715a3fef4a0690b9…

MALICIOUS

PDF

68.1 KB Created: 2021-03-30 18:12:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3cf20165a92a6fc1cbfbc6ce54d49054 SHA-1: eaa8078c6ba9f3bb053247397b947b9dddf4a944 SHA-256: 715a3fef4a0690b9f938087ba1554e390b60090099178175d69df6ed12795938
94 Risk Score

Malware Insights

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

The file is a PDF document identified as malicious by ClamAV and an ML classifier. It contains an embedded URI pointing to a suspicious domain, suggesting a phishing or malware distribution attempt. While no scripts were explicitly extracted, the PDF structure and embedded URI indicate an attempt to redirect the user to a malicious site, likely for further compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9830

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://bologen.ru/award?keyword=atopic+dermatitis+treatment+guidelines+pdf
    • http://potoborotagivud.22web.org/lagu_cinta_luar_biasa_gratis.pdf
    • http://momivegod.22web.org/fomife.pdf
    • https://wimekigulaz.weebly.com/uploads/1/3/1/1/131163744/gunafepezisenip.pdf
    • http://sdek-24.cc/wenivojozatadelervpb.pdf
    • http://erogancolumbia.site/72930545130qo013.pdf
    • http://localdesign.me/mavegiri7bs11.pdf
    • http://budonap.iblogger.org/57510801408.pdf
    • https://naxaletuzo.weebly.com/uploads/1/3/4/5/134508506/fusedo.pdf
    • https://cdn.sqhk.co/lakuziwi/eXJ9hdo/65181576314.pdf
    • http://idealslimitaly-official.site/sanuxogabedogoguvazpv332.pdf
    • http://goloszauniver.fun/damoj0c59s.pdf
    • http://stat-index-co.com/42419904547mxcmy.pdf
    • http://gegapaxibu.22web.org/how_to_use_a_true_metrix_air.pdf
    • https://cdn.sqhk.co/vefoveted/zFgjAii/33161008471.pdf
    • http://zdorovie-vashe-vse.xyz/why_did_the_radical_republican_reconstruction_plan_faildey69.pdf
    • https://cdn.sqhk.co/vunofufi/Gsymibg/kujotu.pdf
    • https://vodazifuja.weebly.com/uploads/1/3/4/2/134265633/tinugelexi.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://gemimixobisuju.epizy.com/que_es_materia_y_energia_quimica.pdf
    • http://firuxafuxu.rf.gd/hk_ird_crs_reporting.pdf
    • http://jigemoli.epizy.com/92126756644.pdf
    • http://wonuzewidej.epizy.com/zugakiwizefuk.pdf
    • http://jejopufopox.rf.gd/22205087971.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f9d6.bin
f6f2e6a9a54fc78daad5eefccdbae690a8cbe98a674816e981a68d2cac69bfd5		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF9D6 5464 bytes

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