Malicious PDF — malware analysis report

Static analysis result for SHA-256 a70a72c7021309d0…

MALICIOUS

PDF

42.3 KB Created: 2021-05-12 06:34:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 448d2ae90d31de548df7e59b2a5f5bff SHA-1: 525fd771e669919e409032cede3bfddce4fc24e3 SHA-256: a70a72c7021309d0e15c62980ac3dc73f7ed0c293b52918612b8f94b37293aca
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains multiple embedded URLs and a prominent external URI pointing to sites offering game hacks, indicating a social engineering lure. The 'SE_CLICKFIX' heuristic suggests the document may instruct users to execute commands, likely to bypass security measures and download further malicious content. No scripts were extracted, but the overall pattern is consistent with phishing or malware distribution.

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/best-minecraft-hacks-game-hack
    • http://lib.baruna-husada.ac.id//repository/coin-master-golden-cards-hack_GM406889139.pdf
    • http://lib.baruna-husada.ac.id/repository/lastrick-com-coin-master-hack_GM406889139.pdf
    • http://lib.baruna-husada.ac.id/repository/coin-master-link_GM406889139.pdf
    • http://lib.baruna-husada.ac.id//repository/roblox-hack-ios_GM431946152.pdf
    • http://lib.baruna-husada.ac.id//repository/best-roblox-hacks_GM431946152.pdf
    • http://lib.baruna-husada.ac.id/repository/coin-master-free-spin-and-coin_GM406889139.pdf
    • http://lib.baruna-husada.ac.id/repository/hacks-for-coin-master-game_GM406889139.pdf
    • http://lib.baruna-husada.ac.id//repository/how-to-get-free-robux-without-verification_GM431946152.pdf
    • http://lib.baruna-husada.ac.id//repository/minecraft-wurst_GM479516143.pdf
    • http://lib.baruna-husada.ac.id//repository/how-to-get-free-cards-sets-for-coin-master_GM406889139.pdf
    • http://lib.baruna-husada.ac.id//repository/coin-master-daily-free-spins-link-app_GM406889139.pdf
    • http://lib.baruna-husada.ac.id//repository/gamehunters-club-coin-master_GM406889139.pdf
    • http://lib.baruna-husada.ac.id//repository/free-coins-and-spins-coin-master_GM406889139.pdf
    • http://lib.baruna-husada.ac.id/repository/roblox-person_GM431946152.pdf
    • http://lib.baruna-husada.ac.id//repository/coin-master-free-spins-2021-today_GM406889139.pdf
    • http://lib.baruna-husada.ac.id/repository/free-spins-link-in-coin-master-2021_GM406889139.pdf
    • http://lib.baruna-husada.ac.id//repository/minecraft-launcher-free_GM479516143.pdf
    • http://lib.baruna-husada.ac.id/repository/coin-master-heaven-free-spins-and-coins_GM406889139.pdf
    • http://lib.baruna-husada.ac.id//repository/free-coins-and-spins-for-coin-master_GM406889139.pdf
    • http://lib.baruna-husada.ac.id//repository/robux-free-2021_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a3a.bin
34b6cc14ebbd5da590641e89f1b9a5272ef04c4e528bd98242ac2e663d47d4e3		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A3A 26336 bytes
font_01_sfnt_off000083fc.bin
6dfee1982b58ab3489cc821793519200b658269375d8b02cd788103d93863fb8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x83FC 17952 bytes

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