Malicious PDF — malware analysis report

Static analysis result for SHA-256 192bb79085f6c71c…

MALICIOUS

PDF

38.9 KB Created: 2021-09-25 09:04:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-24
MD5: 1fb05fc5ef3f4ecd39480ee138ec8607 SHA-1: b224aae229a77cccc1d488bf75be075bc76cd080 SHA-256: 192bb79085f6c71c41936d3f5d4ca20750560cd9491b3331cd998b302ae12ce2
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected by ClamAV as Pdf.Phishing.Trojan. It contains multiple embedded URLs, one of which is flagged as an external URI, suggesting it is used to redirect the user to a malicious download. The document body is heavily obfuscated, but the presence of external URIs and the ClamAV detection strongly indicate a phishing attempt to trick users into downloading further malware.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4318

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://allytemp.ru/uplcv?utm_term=english+exercises+for+intermediate+level+pdf PDF link annotation
    • http://actlogistic.vn/upload/editor/files/2897717488.pdfIn PDF document text
    • http://www.pataniforum.com/admin/jquery/ckfinder/userfiles/files/tipegukeserivivibo.pdfIn PDF document text
    • http://motovelo-nmsk.ru/userfiles/file/vipupozukegiwijare.pdfIn PDF document text
    • http://alpes-de-haute-provence.proximeo.com/ckfinder/userfiles/files/3741406922.pdfIn PDF document text
    • https://szabobuszrendeles.hu/files/files/95233119527.pdfIn PDF document text
    • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fbef172In PDF document text

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