Malicious PDF — malware analysis report

Static analysis result for SHA-256 62bc65f4eabfce62…

MALICIOUS

PDF

39.3 KB Created: 2021-05-21 14:03:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 7bdb83e6f103429eb017a169e2c22784 SHA-1: d137124e4b8f5e8b50fe673ee40f89b9b1c0e99e SHA-256: 62bc65f4eabfce62cd33426f4ada2ab1afa3da7881d58f9ea372ab2c2e12b97c
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File Execution: User Execution

The PDF document contains social engineering lures, including a fake download button and instructions to execute commands, consistent with ClickFix attacks. It directs users to download a game hack from the URL https://netcdn.xyz/app/479516143/minecraft-net-download-free-game-hack, which is likely a malicious payload or a redirect to further malicious content. The document body also contains multiple URLs pointing to other potentially malicious PDF files.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

Heuristics 4

  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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
  • 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://netcdn.xyz/app/479516143/minecraft-net-download-free-game-hack
    • http://only1you.ru/images/apps-for-free-robux_GM431946152.pdf
    • http://only1you.ru/images/free-robux-no-human-verification-or-survey_GM431946152.pdf
    • http://only1you.ru/images/coin-master-hack-tool-ios_GM406889139.pdf
    • http://only1you.ru/images/how-to-get-free-robux-2021_GM431946152.pdf
    • http://only1you.ru/images/hack-coin-master-apk-2021_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off0000342a.bin
672a6421439e036f8773ac2cca6626d593f4e102b3957e94b9ab6836b24eeaf5		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x342A 25756 bytes
font_01_sfnt_off00006e41.bin
96a70491b0783ad8c6fc9b11a18f021aa22c69ac41ee4499b781d16a1b99b689		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E41 2820 bytes
font_02_sfnt_off000077e2.bin
496601abebed6a966dbf1b847dcb2b1aed243a9da0268eb4d87cd87739f421d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77E2 18292 bytes

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