Malicious PDF — malware analysis report

Static analysis result for SHA-256 a01421bce86c8bfc…

MALICIOUS

PDF

38.0 KB Created: 2021-05-23 01:49:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 185b61cb20d9b5a31245463e82b92000 SHA-1: ce90e07b96fb5b4e824af7fc8e239f850417157e SHA-256: a01421bce86c8bfc463ca15fc501ded89401e4a477f18364b8ff709766b02978
82 Risk Score

Malware Insights

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

This PDF document employs social engineering tactics, specifically a 'ClickFix' lure, to trick users into executing commands. The document body contains a prominent 'CLICK HERE TO ACCESS MINECRAFT GENERATOR' call to action, along with embedded URLs that likely lead to malicious content. The presence of external URIs and the ML classifier's high confidence score indicate a malicious intent to deliver a payload or redirect the user to a compromised site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7010

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-hacks-game-hack
    • http://elearning.mtsn1lamongan.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-verifying-2021_GM431946152.pdf
    • http://elearning.mtsn1lamongan.sch.id/__statics/gudangsoal/files/minecraft-bedrock-server-hosting-free_GM479516143.pdf
    • http://elearning.mtsn1lamongan.sch.id/__statics/gudangsoal/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdf
    • http://elearning.mtsn1lamongan.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-2021-easy_GM431946152.pdf
    • http://elearning.mtsn1lamongan.sch.id/__statics/gudangsoal/files/minecraft-free-android_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off000032ff.bin
3c871e84d2246377d8ce4c9d87a60b741415ac7b27a7a1d479fd668015a61a27		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32FF 24384 bytes
font_01_sfnt_off00006a76.bin
eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A76 2940 bytes
font_02_sfnt_off00007485.bin
0307ae1fdf286ae380d36e270ef5c992f348f7a5470d5d5ce449782a5f21d577		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7485 17740 bytes

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