Malicious PDF — malware analysis report

Static analysis result for SHA-256 3eeb7007c8469b84…

MALICIOUS

PDF

41.8 KB Created: 2021-05-15 02:40:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 9b4b88f1343b77b619b91c76c52c19a0 SHA-1: c9b718b60dbbb5ce74500706432a2f68b5f9cada SHA-256: 3eeb7007c8469b84980b88e29945a20227d3652873757b88852f2724b79e4ab7
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links that are identified as lures for game hacks and free currency, specifically targeting popular games like Coin Master and Roblox. The ML classifier strongly flagged this PDF as malicious, and the embedded links likely lead to phishing sites or further malware downloads. No scripts were extracted from this sample, but the PDF structure itself facilitates the redirection.

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-on-facebook-game-hack PDF link annotation
    • http://www.dcgsrl.it/images/free-roblox-accounts-with-robux_GM431946152.pdfIn PDF document text
    • http://www.dcgsrl.it/images/get-free-spins-on-coin-master-links_GM406889139.pdfIn PDF document text
    • http://www.dcgsrl.it/images/hack-coin-master-download_GM406889139.pdfIn PDF document text
    • http://www.dcgsrl.it/images/coin-master-free-spins-and-coins-app-download_GM406889139.pdfIn PDF document text
    • http://www.dcgsrl.it/images/how-to-get-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
    • http://www.dcgsrl.it/images/robux-money_GM431946152.pdfIn PDF document text
    • http://www.dcgsrl.it/images/roblox-ban_GM431946152.pdfIn PDF document text
    • http://www.dcgsrl.it/images/how-to-hack-roblox-for-robux_GM431946152.pdfIn PDF document text
    • http://www.dcgsrl.it/images/free-robux-websites-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.dcgsrl.it/images/get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.dcgsrl.it/images/hack-coin-master-android-game_GM406889139.pdfIn PDF document text
    • http://www.dcgsrl.it/images/500-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.dcgsrl.it/images/how-do-you-download-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://www.dcgsrl.it/images/can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.dcgsrl.it/images/roblox-rules_GM431946152.pdfIn PDF document text
    • http://www.dcgsrl.it/images/moonactive-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://www.dcgsrl.it/images/how-to-hack-a-roblox-account-2021_GM431946152.pdfIn PDF document text
    • http://www.dcgsrl.it/images/how-to-get-2021-robux-for-free_GM431946152.pdfIn PDF document text
    • http://www.dcgsrl.it/images/coin-master-hack-no-verification-no-signup_GM406889139.pdfIn PDF document text
    • http://www.dcgsrl.it/images/coin-master-pet-food-free_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_off0000464e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x464E 26420 bytes
SHA-256: e6feaed3ced4595bc45bab2d0e2b2413967f85b0088b3b356cee9e69395ea852
font_01_sfnt_off0000818a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x818A 18040 bytes
SHA-256: 05dbdd16effe8c1ee272b572c92cf938ac8812b7bce12264ce344bdfed4f92f7

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