Malicious PDF — malware analysis report

Static analysis result for SHA-256 a49faa69e5abd4fd…

MALICIOUS

PDF

42.5 KB Created: 2021-05-13 02:34:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 8317f680bc80d466d7097530e892104f SHA-1: 148bbdd2e8004f28342e496980d957712512049e SHA-256: a49faa69e5abd4fdc1289b6d0f07767150eb97b39e987f7ad542f38fed145001
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains an embedded URI and multiple other URLs, with a high ML classifier score indicating maliciousness. Crucially, it includes a 'Clipboard command execution lure' heuristic, suggesting the document instructs the user to copy and paste content into a command-line interface to execute commands. This indicates an attempt to download and execute a second-stage payload, likely via a URI such as https://netcdn.xyz/app/479516143/minecraft-maps-pe-free-download-game-hack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/479516143/minecraft-maps-pe-free-download-game-hack PDF link annotation
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/minecraft-java-free-trial_GM479516143.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/2021-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/roblox-land-free-robux_GM431946152.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/free-spins-and-coins-com_GM406889139.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/minecraft-skins-download-free_GM479516143.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/coin-master-daily-free-coins-link_GM406889139.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/free-spins-coin-master-no-survey_GM406889139.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/coin-master-rare-cards-hack_GM406889139.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/coin-master-heaven-links_GM406889139.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/what-is-a-robux_GM431946152.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-easy-hack_GM431946152.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/free-minecraft-hosting_GM479516143.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/coin-master-free-spin-and-coin-link-haktuts-hacking-news_GM406889139.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/minecraft-windows-10-edition-hacks_GM479516143.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/master-game_GM406889139.pdfIn PDF document text
    • https://www.elearning2020.mtsn1kotaserang.sch.id/__statics/gudangsoal/files/how-do-you-hack-roblox_GM431946152.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_off00004bc6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4BC6 24808 bytes
SHA-256: 506b6e8e24aba39dcf863ff828c3d434153ea0482d18ce7ee37b369e372f57e6
font_01_sfnt_off00008300.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8300 18620 bytes
SHA-256: 0821b230906a16eab24876bc900cf5b44140eb476c0c2d68670d368f294fcdb9

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