Malicious PDF — malware analysis report

Static analysis result for SHA-256 0bf2d489b31b9d59…

MALICIOUS

PDF

37.0 KB Created: 2021-05-11 02:06:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 0547717d3ec0ab697df086a792ef544e SHA-1: 6bc7a00d268f2199d8161cd5fb56fa6eb2d35427 SHA-256: 0bf2d489b31b9d59c5f7f5dee7e087c7ffebfccde5772ac2fc36e550272c2a9c
70 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a malicious redirector link pointing to a URL that likely hosts a game mod or other malware. The document body also contains text and a call-to-action phrase ('CLICK HERE TO ACCESS COIN MASTER GENERATOR') designed to trick the user into clicking the malicious link. The presence of a malicious redirector URL strongly suggests a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier clean score 0.0313

Heuristics 3

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://netcdn.xyz/app/406889139/coin-master-mod-version-free-download-3.4-4-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000030e2.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x30E2 26440 bytes
SHA-256: 10e7086df0c42cc2e9298cf8e12ed13e52cf35918d249f692d3dbdccfb4d774c
font_01_sfnt_off00006def.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DEF 18728 bytes
SHA-256: ad22a82d8b3233edb38f402cd3e5013c6375fd48aabf823ea78d744f504abdc7

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