Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c3dea53c4237b02…

MALICIOUS

PDF

42.6 KB Created: 2021-05-17 15:46:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 51b48d02a860450d1f0bfe2e8f479499 SHA-1: 7f040695c50375ac152ccf557cc7470b1c83523e SHA-256: 7c3dea53c4237b02d670cf74a5454d09251505ed10e11a2b7c124aa1290d974b
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-tips-game-hack PDF link annotation
    • http://apeh.ro/images/coin-master-hack-without-downloading-apps_GM406889139.pdfIn PDF document text
    • http://apeh.ro/images/free-robux-youtube_GM431946152.pdfIn PDF document text
    • http://apeh.ro/images/free-daily-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://apeh.ro/images/robux-free-co_GM431946152.pdfIn PDF document text
    • http://apeh.ro/images/coin-master-spins_GM406889139.pdfIn PDF document text
    • http://apeh.ro/images/coin-master-free-spins-link-2021-april_GM406889139.pdfIn PDF document text
    • http://apeh.ro/images/minecraft-svg-free_GM479516143.pdfIn PDF document text
    • http://apeh.ro/images/coin-master-hack-app-android-download_GM406889139.pdfIn PDF document text
    • http://apeh.ro/images/coin-master-free-coins-spins_GM406889139.pdfIn PDF document text
    • http://apeh.ro/images/free-coins-and-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://apeh.ro/images/games-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://apeh.ro/images/roblox-cp_GM431946152.pdfIn PDF document text
    • http://apeh.ro/images/fighting-free-card-coin-master_GM406889139.pdfIn PDF document text
    • http://apeh.ro/images/coin-master-hack-without-verification-code_GM406889139.pdfIn PDF document text
    • http://apeh.ro/images/free-spins-coin-master-2021-no-verification_GM406889139.pdfIn PDF document text
    • http://apeh.ro/images/online-hacking-tricks-coin-master_GM406889139.pdfIn PDF document text
    • http://apeh.ro/images/how-to-get-spins-for-free-on-coin-master_GM406889139.pdfIn PDF document text
    • http://apeh.ro/images/hack-mod-coin-master_GM406889139.pdfIn PDF document text
    • http://apeh.ro/images/minecraft-bedrock-free-server-hosting_GM479516143.pdfIn PDF document text
    • http://apeh.ro/images/easy-points-gg_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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004d53.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4D53 24696 bytes
SHA-256: eb291aee2209b6cfb4d0c1341dc4088ee30d750801ceb49f10d30582e05a509a
font_01_sfnt_off000085e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85E6 17724 bytes
SHA-256: 47f1771a310bbd424fb5c5011bebf45412061033fc49cda5461d9fa2df00a095

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