Malicious PDF — malware analysis report

Static analysis result for SHA-256 bbe39098c8854fb4…

MALICIOUS

PDF

44.3 KB Created: 2021-06-02 10:26:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 650a0a5e2b994e63b884265ee60b579c SHA-1: f3f599c30cc246bb42ccdfbb02f4f4ee4128f2c4 SHA-256: bbe39098c8854fb403cd4934e3dbc5c0593f9f33b0646f34aba4b48844f10530
82 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1059.003 Windows Command Shell T1566.001 Spearphishing Attachment

The document contains lures and embedded URLs suggesting a phishing or scam attempt, likely related to 'free Robux' or game hacks. The 'SE_CLIPBOARD_COMMAND_LURE' heuristic indicates the document instructs the user to copy and paste content into a command-line interface, which is a common technique for executing malicious commands or downloading further payloads. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 4

  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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/431946152/how-to-earn-free-robux-on-phone-game-hack PDF link annotation
    • http://elektrofahrspass.de/images/coin-master-hack-app-download-free_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/wurst-hacks_GM479516143.pdfIn PDF document text
    • http://elektrofahrspass.de/images/oprewards-robux_GM431946152.pdfIn PDF document text
    • http://elektrofahrspass.de/images/coin-master-free-stuff-links_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/coin-master-reward-link-2021_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/coin-master-cards-hack-2021_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/free-minecraft-servers-to-join_GM479516143.pdfIn PDF document text
    • http://elektrofahrspass.de/images/minecraft-for-chromebook-free_GM479516143.pdfIn PDF document text
    • http://elektrofahrspass.de/images/minecraft-life-hacks_GM479516143.pdfIn PDF document text
    • http://elektrofahrspass.de/images/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/ear-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/descargar-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/how-to-get-java-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://elektrofahrspass.de/images/code-free-robux_GM431946152.pdfIn PDF document text
    • http://elektrofahrspass.de/images/minecraft-pe-free-download_GM479516143.pdfIn PDF document text
    • http://elektrofahrspass.de/images/how-to-find-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/can-you-give-me-free-robux_GM431946152.pdfIn PDF document text
    • http://elektrofahrspass.de/images/minecraft-java-hacks_GM479516143.pdfIn PDF document text
    • http://elektrofahrspass.de/images/minecraft-bedrock-edition-free_GM479516143.pdfIn 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
font_00_sfnt_off00005139.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5139 24664 bytes
SHA-256: fb91fd24b0e7ef69ed25e384afae53e67083ced7770aea72bbe6af58ac1eb25f
font_01_sfnt_off00008942.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8942 18724 bytes
SHA-256: 4d33c051e141cd9bf05905859aec9ac0907df49244d39466b17a9c37dea534a8

Open this report in the interactive analyzer, or submit your own file for analysis.