Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b078c85e3af368d…

MALICIOUS

PDF

60.3 KB Created: 2021-05-18 01:19:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ed9d1c5ba48f6f648f8e89f4453c4214 SHA-1: c3f5b1f989d8d0c5f17fa85ce1e7685653d3657b SHA-256: 0b078c85e3af368d3c85305c66409e43d07c316499fc0180b8dfd5f60a3265c9
94 Risk Score

Malware Insights

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

The PDF document contains embedded URLs that point to potentially malicious PDF files, suggesting it is part of a phishing or malware distribution campaign. The ClamAV detection and ML classifier strongly indicate malicious intent. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the detection suggest the document is designed to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7927

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://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/m6m4c0du6i3rh611kjtfceh3nm/51898746008.pdf
    • http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/cid9kid6qmfssckjgobmc1r2k4/figupazuz.pdf
    • https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/62e5a49f107770e4eb81bb7107d79b5f/rizopevepezawelizajimo.pdf
    • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c83fa62287---subadunagifufiba.pdf
    • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/t8qsp0npsu1rk006shb26s5mo0/dolilaju.pdf
    • http://elsekmont.eu/userfiles/file/mikegumorezepaxuwaruxape.pdf
    • http://fitnessklub-impuls.pl/uploads/assets/file/pukewirominajejezozuju.pdf
    • http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/d27406df15d126b8bbce98c057d50ac4/78337283588.pdf
    • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f9761bfd24---69431397156.pdf
    • http://ankurgroups.com/userfiles/file/gupuwivideduruguti.pdf
    • https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/886p1t7s9u4upcdc4ooeqgso6r/18684933532.pdf
    • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/8519f973be69f71825e4a27ad4f44f00/gujidolati.pdf
    • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609caf92d6db8---64556130228.pdf
    • http://aeronautike.com/userfiles/file/wanunedilijofolesat.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+clean+cuisinart+coffee+maker+dcc+1200
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dce0.bin
af14f9a20edd825e3a4d61cf527cd098ef08daa2dcf2c3b2126f7c740fe0aa7d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDCE0 5608 bytes

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