Malicious PDF — malware analysis report

Static analysis result for SHA-256 c9acc04c364eb9b3…

MALICIOUS

PDF

34.3 KB Created: 2021-06-19 02:46:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 480bc177c213bd76a848956dc053c231 SHA-1: b04e0799cf86206461b92cd922eec476bacf317f SHA-256: c9acc04c364eb9b3bd97814bd9ee87e3e3d17cb54f4d9974f38f824d671fba2d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to websites offering game hacks and generators, a common lure for malicious content. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple game-related lures indicates a phishing attempt to drive users to potentially harmful sites. No scripts were extracted, but the document's structure and embedded URLs suggest it's designed to lead users to a second-stage download or exploit.

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/paste-bin-dab-hack-script-roblox-game-hack PDF link annotation
    • http://sv-nahetal.de/images/coin-master-hacker-club_GM406889139.pdfIn PDF document text
    • http://sv-nahetal.de/images/free-daily-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://sv-nahetal.de/images/moonactive-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://sv-nahetal.de/images/is-it-possible-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://sv-nahetal.de/images/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
    • http://sv-nahetal.de/images/cheats-for-roblox-lumber-tycoon-2_GM431946152.pdfIn PDF document text
    • http://sv-nahetal.de/images/robux-hacks-tay-take-off-newest_GM431946152.pdfIn PDF document text
    • http://sv-nahetal.de/images/free-arsenal-hacks_GM431946152.pdfIn PDF document text
    • http://sv-nahetal.de/images/how-to-find-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://sv-nahetal.de/images/roblox-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://sv-nahetal.de/images/mc-update_GM479516143.pdfIn PDF document text
    • http://sv-nahetal.de/images/websites-that-give-free-robux_GM431946152.pdfIn PDF document text
    • http://sv-nahetal.de/images/coin-master-hack-xyz_GM406889139.pdfIn PDF document text
    • http://sv-nahetal.de/images/free-robux-pins_GM431946152.pdfIn PDF document text
    • http://sv-nahetal.de/images/ear-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://sv-nahetal.de/images/free-toy-codes-for-roblox_GM431946152.pdfIn PDF document text
    • http://sv-nahetal.de/images/robux-hack-no-survey-2021_GM431946152.pdfIn PDF document text
    • http://sv-nahetal.de/images/get-minecraft-windows-10-free_GM479516143.pdfIn PDF document text
    • http://sv-nahetal.de/images/minecraft-ps4-free_GM479516143.pdfIn PDF document text
    • http://sv-nahetal.de/images/coin-master-free-spins-link-2021_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
font_00_sfnt_off00002e07.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E07 22564 bytes
SHA-256: 6ceb7041147762029f977f22cd37793fcd0b33956de033549154bcc9e6f95c66
font_01_sfnt_off00006085.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6085 19192 bytes
SHA-256: 1f6bc289c10b93dd8c7f8e35da9df3e9742e41fddaaf38de6cd229e123ef78c9

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