Malicious PDF — malware analysis report

Static analysis result for SHA-256 26a12f579cd91a2a…

MALICIOUS

PDF

41.6 KB Created: 2021-05-12 06:30:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: d5a12d3bb5a01f065d8c1f49b41f03d4 SHA-1: 2e1d1df20c65d88861b17f5f8bc726d60c24a445 SHA-256: 26a12f579cd91a2adb7b208afb15022316fef5734f362e998795b1b968833ece
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 0.9971

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/coin-master-free-shield-game-hack PDF link annotation
    • http://beautyforyou.fr/images/coin-master-hack-pc-free_GM406889139.pdfIn PDF document text
    • http://beautyforyou.fr/images/how-to-get-free-robux-for-kids_GM431946152.pdfIn PDF document text
    • http://beautyforyou.fr/images/free-robux-websites-2021_GM431946152.pdfIn PDF document text
    • http://beautyforyou.fr/images/how-to-hack-roblox-2021_GM431946152.pdfIn PDF document text
    • http://beautyforyou.fr/images/free-hair-roblox_GM431946152.pdfIn PDF document text
    • http://beautyforyou.fr/images/flame-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://beautyforyou.fr/images/free-robux-generator-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://beautyforyou.fr/images/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
    • http://beautyforyou.fr/images/free-robux-websites-no-human-verification_GM431946152.pdfIn PDF document text
    • http://beautyforyou.fr/images/free-game-packs-for-coin-master_GM406889139.pdfIn PDF document text
    • http://beautyforyou.fr/images/free-robux-codes-2021-real_GM431946152.pdfIn PDF document text
    • http://beautyforyou.fr/images/free-promo-codes-for-coin-master_GM406889139.pdfIn PDF document text
    • http://beautyforyou.fr/images/coin-master-free-spin-and-trading_GM406889139.pdfIn PDF document text
    • http://beautyforyou.fr/images/haktuts-coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://beautyforyou.fr/images/coin-master-free-coins-and-spins-daily_GM406889139.pdfIn PDF document text
    • http://beautyforyou.fr/images/can-you-earn-robux_GM431946152.pdfIn PDF document text
    • http://beautyforyou.fr/images/toolbox-for-mcpe_GM479516143.pdfIn PDF document text
    • http://beautyforyou.fr/images/hack-free-spin-coin-master_GM406889139.pdfIn PDF document text
    • http://beautyforyou.fr/images/blox-land-free-robux_GM431946152.pdfIn PDF document text
    • http://beautyforyou.fr/images/coin-game_GM406889139.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_off0000498c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x498C 24256 bytes
SHA-256: 825fed98ef8b9af2d7a9f3d90bca46dbe10f450c87ca46a6aac1825f2d8580d4
font_01_sfnt_off000080de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80DE 18124 bytes
SHA-256: 0603797a96d274ba874b32f91d1fb50d5f45d88cdb7e6803905a22f8023fb5df

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