Malicious PDF — malware analysis report

Static analysis result for SHA-256 f572311e78164cba…

MALICIOUS

PDF

42.1 KB Created: 2021-04-23 14:35:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: dbc26be736a048e27f0a693f4c3f8f0a SHA-1: 0e7ba03b1002b2c40f9c9e5a7318ed3565f171d6 SHA-256: f572311e78164cba8af32a5dbc75a80952f1ec6e54d55f770dce88961685c205
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 0.9941

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://netsecure.top/app/431946152/best-free-gun-models-for-roblox-game-hack PDF link annotation
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/cheat-codes-for-dayz-roblox.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/account-stealing-hack-roblox-2021.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/robloxcom-free-kkk.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/roblox-abs-shirt-free.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/bl4z3-games-com-free-robux.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/roblox-get-free-robux-2021.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/a-code-froom-free-robux.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/learn-to-hack-roblox.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/roblox-robux-credit-card-free-2021.pdfIn PDF document text
    • https://elearning.ma-miftahussaadah.sch.id/__statics/gudangsoal/files/free-robux-no-waiting-or-loading.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000435f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x435F 26632 bytes
SHA-256: a5e33e3070d2b63faf23e00680e50dcc6157c0749de644327e0c78c85bdf5c6b
font_01_sfnt_off00008208.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8208 18560 bytes
SHA-256: 750296d48724d37e890ca50cb9e902003a2c92315c1fb298a05812e4ed1fa948

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