Malicious PDF — malware analysis report

Static analysis result for SHA-256 e65df0ca0694b999…

MALICIOUS

PDF

55.0 KB Created: 2021-05-11 04:07:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: aaf26d1b3142a318c6e86b4a4bb15e47 SHA-1: 2012d1e712b60d7b0fc7b13018712b24d515364e SHA-256: e65df0ca0694b99966f271581dc0f5f3d563b062a3a1815fd3c2db8d277726ea
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8531

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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/406889139/hack-coin-master-ios-game-hack PDF link annotation
    • http://perpus.stfm.ac.id/repository/roblox-admin-hack_GM431946152.pdfIn PDF document text
    • http://www.perpus.stfm.ac.id/repository/what-is-a-robux_GM431946152.pdfIn PDF document text
    • http://perpus.stfm.ac.id/repository/coin-master-spin-hack-no-verification_GM406889139.pdfIn PDF document text
    • http://perpus.stfm.ac.id/repository/coin-drop-master-free_GM406889139.pdfIn PDF document text
    • http://perpus.stfm.ac.id/repository/coin-master-mod-apk-latest-version-free-download_GM406889139.pdfIn PDF document text
    • http://perpus.stfm.ac.id/repository/roblox-no-download-hack_GM431946152.pdfIn PDF document text
    • http://www.perpus.stfm.ac.id/repository/easy-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://www.perpus.stfm.ac.id/repository/roblox-rewards-site_GM431946152.pdfIn PDF document text
    • http://perpus.stfm.ac.id/repository/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
    • http://www.perpus.stfm.ac.id/repository/coin-master-free-spin-link-today-50_GM406889139.pdfIn PDF document text
    • http://perpus.stfm.ac.id/repository/how-to-hack-someone-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.perpus.stfm.ac.id/repository/what-is-wurst_GM479516143.pdfIn PDF document text
    • http://www.perpus.stfm.ac.id/repository/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://www.perpus.stfm.ac.id/repository/minecraft-windows-10-code-free_GM479516143.pdfIn PDF document text
    • http://perpus.stfm.ac.id/repository/com-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.stfm.ac.id/repository/coin-master-free-pin_GM406889139.pdfIn PDF document text
    • http://www.perpus.stfm.ac.id/repository/free-robux-generator-without-verification_GM431946152.pdfIn PDF document text
    • http://perpus.stfm.ac.id/repository/coin-master-free-coins-hack_GM406889139.pdfIn PDF document text
    • http://perpus.stfm.ac.id/repository/hacked-roblox-game_GM431946152.pdfIn PDF document text
    • http://perpus.stfm.ac.id/repository/how-to-hack-roblox_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a13.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A13 27256 bytes
SHA-256: 3f904cebff928d734034f94e95f66f8bb925cb53eb46a900a282eb7d4637ba35
font_01_sfnt_off000089bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89BC 3088 bytes
SHA-256: e7854aff7cbc8fbdeb85d2b3d6248d12dc820ede8a581f4eac107fa6446c2222
font_02_sfnt_off00009487.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9487 7960 bytes
SHA-256: cf7ae5cf6bef3222f5a26bec705b492fed0278aec6b16ec101aeda46e0edd2b2
font_03_sfnt_off0000a7ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA7AC 17716 bytes
SHA-256: 4e3a035fcc4d7e34a70bc1936180ad88d62d1a278a85b436915b1920e97724ff
font_04_sfnt_off0000c805.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC805 4272 bytes
SHA-256: fac9a06ceb5574feb8580c075df3ef69dfbd0efa4947186cfe90f11b68eaafb0

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