Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ec65551251aa29c…

MALICIOUS

PDF

65.4 KB Created: 2021-04-04 00:30:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-24
MD5: 2b8e946581aeaaeac7d3ed7643d778ef SHA-1: 873a247cd1d8ebedced8368af59a465d1307bec3 SHA-256: 8ec65551251aa29c6da38b610a5be3b350301624680e7c72565f9b1196cd1a8e
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF document that contains an embedded URI pointing to a suspicious domain, identified by ClamAV as Pdf.Phishing.Trojan. The document body, though heavily obfuscated, suggests a lure related to "vhlcentral answers spanish 2 lesson 11", likely to trick users into visiting the malicious URL. No scripts were extracted, but the presence of an external URI and the ClamAV detection strongly indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3230

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://druttle.ru/wix?keyword=vhlcentral+answers+spanish+2+lesson+11 PDF link annotation
    • https://wuxorazaw.weebly.com/uploads/1/3/2/7/132712222/fibivo.pdfIn PDF document text
    • http://xinuvaro.sportsontheweb.net/35864586154.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8c92d68e-edc3-4480-b147-c27572eec64f/15311366959.pdfIn PDF document text
    • http://ralirajuz.atwebpages.com/tunofilabedufaw.pdfIn PDF document text
    • https://s3.amazonaws.com/rejiner/24545515306.pdfIn PDF document text
    • https://s3.amazonaws.com/pigolo/wafiwonarajonidudejaso.pdfIn PDF document text
    • https://s3.amazonaws.com/poresi/spanish_2_direct_object_pronouns_worksheet_answers.pdfIn PDF document text

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