Malicious PDF — malware analysis report

Static analysis result for SHA-256 c3e7b29caaf8f217…

MALICIOUS

PDF

59.9 KB Created: 2021-03-18 13:33:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2cad62c813da5b0e50e12e4a062759cb SHA-1: 5bd53d7c0d87ff07f50158b28cdefe48831afd83 SHA-256: c3e7b29caaf8f2173d2ed8b97a53154d13bed811d50e013028980341272c49b4
94 Risk Score

Malware Insights

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

The PDF contains an embedded URI pointing to a suspicious domain, likely intended to trick the user into downloading further malware. ClamAV detection and ML classification strongly indicate malicious intent. The document body, though heavily obfuscated, contains metadata related to PDF creation and a keyword that aligns with a download lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9545

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://bologen.ru/award?keyword=alter+ego+a2+plus+pdf+download
    • https://cdn.sqhk.co/zafilivopupu/geOihgg/argonautika_script.pdf
    • https://fikobovivinuzo.weebly.com/uploads/1/3/0/7/130739062/5932943.pdf
    • http://sowipilarow.mygamesonline.org/autodesk_inventor_professional_2020_tutorial.pdf
    • https://cdn-cms.f-static.net/uploads/4416144/normal_60107f76cdd7f.pdf
    • https://cdn.sqhk.co/ganinidunop/hjudFNU/83018347541.pdf
    • http://nanavunitub.iblogger.org/68415975101.pdf
    • http://zutatowatipo.mywebcommunity.org/doxigusiwuz.pdf
    • https://cdn.sqhk.co/zokuwagopole/jhcuihh/acrylic_nails_for_kids.pdf
    • https://cdn-cms.f-static.net/uploads/4486365/normal_604174ff9128b.pdf
    • http://wewofif.scienceontheweb.net/kenmore_dryer_code_f70.pdf
    • https://simokenuma.weebly.com/uploads/1/3/5/3/135311421/4c345e1.pdf
    • https://static.s123-cdn-static.com/uploads/4367916/normal_5fee2b62c9fec.pdf
    • https://sudunubi.weebly.com/uploads/1/3/4/4/134496389/5152727.pdf
    • https://cdn.sqhk.co/bisadidizi/e81XZge/logo_quiz_game_level_4.pdf
    • http://littlenat.space/blood_bowl_2_bretonnian_rosterdvle0.pdf
    • https://napolapivu.weebly.com/uploads/1/3/5/3/135303388/zaxexasin_wuxifivituxuj_jikemamiwawilu.pdf
    • http://autolombardpro.ru/mitel_5448_programmable_key_module_template22gk9.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://xizokenimufewom.atwebpages.com/fupojobosisedonuxef.pdf
    • http://zexizawanewemi.epizy.com/screen_capture_chrome_android.pdf
    • http://gotulitedovolen.rf.gd/49190866136.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c505.bin
6754b5a906b1d0ea8ccf3d5ae746ee22adf2351465e0b75c0c39eb24369fb1d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC505 5256 bytes

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