Malicious PDF — malware analysis report

Static analysis result for SHA-256 a436b2ab4e67ee17…

MALICIOUS

PDF

44.2 KB Created: 2021-06-04 01:32:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: fbcd1eda79fab6894f8cc9be59192028 SHA-1: 6d7a66398e9561b07c1ed5c26d5c3c9440a442d5 SHA-256: a436b2ab4e67ee17e909db4b7ff27f325906a1a4637db45e260660df3b3b89bf
82 Risk Score

Malware Insights

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

The PDF document uses a lure of "Minecraft Hacks" to encourage a download from the provided URL. It also instructs the user to install a remote support tool, indicating a potential social engineering attack. The ML classifier strongly flagged this PDF as malicious, supporting the observed lures.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 4

  • Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
    Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
  • 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.online/app/479516143/minecraft-hacks-18-9-game-hack PDF link annotation
    • http://library.yamasi.ac.id/repository/free-robux-meme_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/working-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/tiktok-free-code_GM835599320.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/como-hackear-coin-master-2021-espaol_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/how-to-get-free-coins-in-coin-master-game_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/mobihack-roblox-hack_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/unlimited-spin-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/free-spin-app-coin-master_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/pubg-uc-300_GM1330123889.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/master-coin-free-spin-daily_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/coin-master-hack-no-verification-2021_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/free-roblox-hair-to-wear_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/card-hack-in-coin-master_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/free-coins-coin-master-daily_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/moon-static-coin-master-generator-hacks-free_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/how-to-get-minecraft-for-free-on-mac_GM479516143.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/coin-master-rare-cards-hack_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/games-to-get-free-robux_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
stream_004_off000050bc.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50BC 25344 bytes
SHA-256: 10ddec22325f6e44a21a7237b85a1628b0cb9b5b1e20dcd2c48ba6a4b792939b
font_01_sfnt_off00008a97.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A97 18216 bytes
SHA-256: a462e86d63d7029521db3fddc15d42274a693b5ed5bac7d54cc4f68f9f0361cb

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