Malicious PDF — malware analysis report

Static analysis result for SHA-256 da8268a6eaf5b34b…

MALICIOUS

PDF

43.0 KB Created: 2021-05-14 11:35:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 54382437f592f3fe41241e6c6429b4e8 SHA-1: 8b0b473f2ad0b0a282a4d98b3d550692c0e03ec0 SHA-256: da8268a6eaf5b34b2099cbd831d3c68c951abad9a4e7aabe1fef313c3d4fe4f6
82 Risk Score

Malware Insights

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

The PDF document contains a lure related to 'Minecraft Hacks' and directs the user to an external URL for download. The 'SE_CLICKFIX' heuristic indicates that the document likely instructs the user to execute a command, a common tactic to bypass security measures. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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-xbox-game-hack PDF link annotation
    • https://e-learning.mi-baabussalaam.sch.id/__statics/gudangsoal/files/free-minecraft-account-list_GM479516143.pdfIn PDF document text
    • https://e-learning.mi-baabussalaam.sch.id/__statics/gudangsoal/files/coin-master-free-spin-and-coins-links-home_GM406889139.pdfIn PDF document text
    • https://e-learning.mi-baabussalaam.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://e-learning.mi-baabussalaam.sch.id/__statics/gudangsoal/files/hack-coin-master-xyz_GM406889139.pdfIn PDF document text
    • https://e-learning.mi-baabussalaam.sch.id/__statics/gudangsoal/files/coin-master-free-raid-link_GM406889139.pdfIn PDF document text
    • https://e-learning.mi-baabussalaam.sch.id/__statics/gudangsoal/files/minecraft-on-computer-free_GM479516143.pdfIn PDF document text
    • https://e-learning.mi-baabussalaam.sch.id/__statics/gudangsoal/files/appsmob-info-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://e-learning.mi-baabussalaam.sch.id/__statics/gudangsoal/files/minecraft-hacked-client-download_GM479516143.pdfIn PDF document text
    • https://e-learning.mi-baabussalaam.sch.id/__statics/gudangsoal/files/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • https://e-learning.mi-baabussalaam.sch.id/__statics/gudangsoal/files/easy-robux-today_GM431946152.pdfIn PDF document text
    • https://e-learning.mi-baabussalaam.sch.id/__statics/gudangsoal/files/202100-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learning.mi-baabussalaam.sch.id/__statics/gudangsoal/files/minecraft-for-chromebook-free_GM479516143.pdfIn PDF document text
    • https://e-learning.mi-baabussalaam.sch.id/__statics/gudangsoal/files/windows-10-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://e-learning.mi-baabussalaam.sch.id/__statics/gudangsoal/files/working-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://e-learning.mi-baabussalaam.sch.id/__statics/gudangsoal/files/how-to-hack-a-roblox-account-easy_GM431946152.pdfIn PDF document text
    • https://e-learning.mi-baabussalaam.sch.id/__statics/gudangsoal/files/robux-free-online_GM431946152.pdfIn PDF document text
    • https://e-learning.mi-baabussalaam.sch.id/__statics/gudangsoal/files/300-daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learning.mi-baabussalaam.sch.id/__statics/gudangsoal/files/free-coin-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learning.mi-baabussalaam.sch.id/__statics/gudangsoal/files/minecraft-client-download_GM479516143.pdfIn PDF document text
    • https://e-learning.mi-baabussalaam.sch.id/__statics/gudangsoal/files/coin-master-free-gifts_GM406889139.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
stream_003_off00004c22.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C22 25312 bytes
SHA-256: fb3074026c2b0ceb9719552925b54a53c49069aae2e7c46da854c03feff2a8b7
font_01_sfnt_off00008523.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8523 18476 bytes
SHA-256: 08d143bbdffcf64d63a65049f265cbb68e766144a512c2d0a1cb0386676e8729

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