Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc96b93b18153874…

MALICIOUS

PDF

43.2 KB Created: 2021-05-17 06:13:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 9e7bb4adaf15a5e7faca288a42fa6e7f SHA-1: 10fd9c076b9384faa26baf3513d1ba6cc3b95876 SHA-256: cc96b93b18153874272c7ac3a15df9718e7143e43096602079a3c26ddac3b018
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple external links, including a high-risk lure related to game hacks and free spins. The ML classifier also flagged this PDF as malicious. These findings suggest the document is designed to trick users into visiting malicious websites, likely for credential harvesting or malware distribution. No scripts were extracted from this sample.

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/406889139/2021-free-spins-coin-master-game-hack PDF link annotation
    • http://henrikedmark.com/images/coin-master-cards_GM406889139.pdfIn PDF document text
    • http://henrikedmark.com/images/is-there-any-tricks-or-working-hacks-for-coin-master_GM406889139.pdfIn PDF document text
    • http://henrikedmark.com/images/coin-master-3533-android-hack_GM406889139.pdfIn PDF document text
    • http://henrikedmark.com/images/coin-master-free-spins-today-daily-links_GM406889139.pdfIn PDF document text
    • http://henrikedmark.com/images/como-hackear-juego-coin-master_GM406889139.pdfIn PDF document text
    • http://henrikedmark.com/images/coin-master-free-spins-and-coins-for-today_GM406889139.pdfIn PDF document text
    • http://henrikedmark.com/images/real-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://henrikedmark.com/images/coin-master-free-spins-and-coins-today-gift-reward_GM406889139.pdfIn PDF document text
    • http://henrikedmark.com/images/coin-master-hack-tool-pc-download_GM406889139.pdfIn PDF document text
    • http://henrikedmark.com/images/coin-master-free-spins-generator_GM406889139.pdfIn PDF document text
    • http://henrikedmark.com/images/blox-fish-free-robux_GM431946152.pdfIn PDF document text
    • http://henrikedmark.com/images/how-do-you-hack-for-2021000-coins-on-flip-master_GM406889139.pdfIn PDF document text
    • http://henrikedmark.com/images/spin-link-coin-master_GM406889139.pdfIn PDF document text
    • http://henrikedmark.com/images/roblox-inappropriate_GM431946152.pdfIn PDF document text
    • http://henrikedmark.com/images/free-robux-link_GM431946152.pdfIn PDF document text
    • http://henrikedmark.com/images/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://henrikedmark.com/images/how-to-get-minecraft-for-free-on-phone_GM479516143.pdfIn PDF document text
    • http://henrikedmark.com/images/free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
    • http://henrikedmark.com/images/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
    • http://henrikedmark.com/images/cm-spins_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000045f1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x45F1 23924 bytes
SHA-256: 9e8fb6f729ec0926c3561940a8fd891187b09a50c3a8d538d2e30ff1cb6dc7b1
font_01_sfnt_off00007c43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C43 2896 bytes
SHA-256: c1a618813a64314343402b2ec738fc11c4c912460a4c7ae3029924d2f9a229cd
font_02_sfnt_off00008628.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8628 18288 bytes
SHA-256: d5a46c40ddaffffdec7b194e78d64597afed9f46b5e12e45e50a00bb771aa4a6

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