Malicious PDF — malware analysis report

Static analysis result for SHA-256 afe58a520849f75a…

MALICIOUS

PDF

32.0 KB Created: 2020-11-03 10:22:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 296dfb437fdfacbe5ed4ff6d22f1fee5 SHA-1: 3bf8c5327aa6fd9bc5a87e1f6754e72bddb06c8d SHA-256: afe58a520849f75a0b2486a2a549617e24dfc2664476e7814302ac2f1448b81e
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a heuristic firing for a malicious redirector link, which points to a URL that appears to be a lure for downloading Android software. The document body, though heavily obfuscated, contains the same URL and text related to downloading 'kingroot apk'. This suggests the PDF is designed to trick users into visiting the malicious URL, likely to download malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 2

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://ttraff.cc/123?keyword=download+kingroot+apk+for+andriod+4.2.2
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    • https://uploads.strikinglycdn.com/files/7bbb0d64-e451-4f6f-98d4-848501467926/ejercicios_operaciones_combinadas_nu.pdf
    • https://s3.amazonaws.com/degisapemifa/dapumafo.pdf