Malicious PDF — malware analysis report

Static analysis result for SHA-256 1264d75adf4c65c0…

MALICIOUS

PDF

35.4 KB Created: 2021-07-02 01:51:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 322a27f22dffca2f3a28f51ee00c9fa8 SHA-1: 25178835c1e36b9d390d8682a344bc0c7d0cb7fe SHA-256: 1264d75adf4c65c0a47fe4903121bf0a47864f3868967ce9ef5e7efa967de657
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 0.9980

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 http://netcdn.co/app/431946152/como-hackear-roblox-movil-game-hack PDF link annotation
    • http://lib.mappifhui.org/repository/how-to-get-free-clothes-on-roblox-with-bc_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/coin-master-free-spin-link-app_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/roblox-hacked-version-download_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/minecraft-realms-free-codes_GM479516143.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/roblox-how-to-get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/coin-master-2021-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/roblox-the-legendary-swords-rpg-hack-script_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/coin-master-hack-activegamer_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/2-free-tacos-roblox_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/how-to-get-free-robux-linkmon99_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/robhacker-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/get-free-stuff-roblox-gear_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/roblox-hack-fame-simulator_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/free-daw-2-group-roblox_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/free-robux-codes-2021-unused_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/how-to-change-roblox-name-free-2021_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/free-robux-genorators_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/survivor-cheats-roblox_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/robux-free-c_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
font_00_sfnt_off000032aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32AA 22508 bytes
SHA-256: a091a9de99ebe848f4d3b4c1b5e71651e018ac69aee8b740be2d329f92a6528d
font_01_sfnt_off00006484.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6484 19348 bytes
SHA-256: 6786607eb51c36b32ec760ea2ce86006c0e9bb3ec0fd43a0921df654a6a51211

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