Malicious PDF — malware analysis report

Static analysis result for SHA-256 68cfd498213ef171…

MALICIOUS

PDF

44.9 KB Created: 2021-06-03 11:21:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 50b0bb0d27d564b90f49ee27d85d62f7 SHA-1: 646ae7adaa23136d7b8190921e04792286d2cac0 SHA-256: 68cfd498213ef17168eb92c770e11c748dbfc655ba7e788f5900efe2703087b3
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 0.9865

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.online/app/406889139/archery-master-3d-apk-and-mod-free-download-unlimited-coins-game-hack PDF link annotation
    • http://lib.fisipumt.ac.id//repository/free-robux-master_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/free-shields-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/20-free-spin-link-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-draw-2-roblox_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-robux-without-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-blogspot-free-spins_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/how-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/roblox-army-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-robux-apps-that-work_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/blox-pink-robux-free_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-roblox-followers_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/www-roblox-robux_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/cheat-pet-simulator-roblox_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/rbx-sites_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/how-to-setup-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/roblox-royale-high-diamond-hack_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/is-there-any-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-free-spin-link-new_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_004_off00005061.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5061 25216 bytes
SHA-256: 08e9f6df64a940c32046148d693af4da5e07123dfac6b97dc48fdef065d9cd39
font_01_sfnt_off00008914.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8914 19600 bytes
SHA-256: 327affc2087599c71b007beeaa4f3727f7f78c1f683148f50a96805354b13acf

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