Malicious PDF — malware analysis report

Static analysis result for SHA-256 645b4ba72457b376…

MALICIOUS

PDF

44.0 KB Created: 2021-05-16 23:18:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: f53c023a51e0b42ac2593a0eb0c3d54f SHA-1: 6fc12388b0212d4f3f44fafd4850d73ae364b69c SHA-256: 645b4ba72457b376c380ae62ec3b92da318e743e31d76a803c3942713976f2f9
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 0.9648

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/479516143/minecraft-dungeons-free-download-game-hack PDF link annotation
    • http://artion.biz/images/is-minecraft-bedrock-free_GM479516143.pdfIn PDF document text
    • http://artion.biz/images/coin-master-free-spins-daily-link-game-mod_GM406889139.pdfIn PDF document text
    • http://artion.biz/images/moonactive-free-spins-link_GM406889139.pdfIn PDF document text
    • http://artion.biz/images/free-robux-sites-2021_GM431946152.pdfIn PDF document text
    • http://artion.biz/images/coin-master-hack-root_GM406889139.pdfIn PDF document text
    • http://artion.biz/images/latest-coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • http://artion.biz/images/coin-master-villages_GM406889139.pdfIn PDF document text
    • http://artion.biz/images/how-to-earn-robux-by-playing-games_GM431946152.pdfIn PDF document text
    • http://artion.biz/images/minecraft-windows-10-edition-hacks_GM479516143.pdfIn PDF document text
    • http://artion.biz/images/free-spins-coin-master-no-survey_GM406889139.pdfIn PDF document text
    • http://artion.biz/images/free-coin-spin-daily-link-net_GM406889139.pdfIn PDF document text
    • http://artion.biz/images/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://artion.biz/images/how-do-you-download-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://artion.biz/images/websites-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://artion.biz/images/114-4-hacks_GM479516143.pdfIn PDF document text
    • http://artion.biz/images/how-to-win-attack-madness-in-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://artion.biz/images/coin-master-shield-hack_GM406889139.pdfIn PDF document text
    • http://artion.biz/images/coin-master-hack-tool-no-human-verification_GM406889139.pdfIn PDF document text
    • http://artion.biz/images/roblox-ban_GM431946152.pdfIn PDF document text
    • http://artion.biz/images/free-roblox-accounts-dantdm_GM431946152.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000045da.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x45DA 24600 bytes
SHA-256: 9af8ec3254d0e9fbff580c87067ad9741ec8bcb59672d448f45c97adfdcc3068
font_01_sfnt_off00007dee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DEE 2856 bytes
SHA-256: 8c5d9bcb386d88c7f99323d8d482e46ea21dea038a5b842744dd5d39b26b2c44
font_02_sfnt_off000087c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87C5 18720 bytes
SHA-256: 9131f8ae0af3742f2152d673706180936bbe7c3ea282a1fb4d0c655f83237649

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