Malicious PDF — malware analysis report

Static analysis result for SHA-256 f5a745c587a35005…

MALICIOUS

PDF

42.0 KB Created: 2021-05-14 15:36:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 36840b07b81e2b5deb4088e22dada109 SHA-1: d9884f3d93798cf2b1ac9438e402e47f300cf0e8 SHA-256: f5a745c587a35005767e8a13f78508458354886ab1b359e056462c27cceeb554
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links and a lure related to game hacks and free currency, strongly suggesting a phishing or social engineering attack. The primary malicious URL identified is https://netcdn.xyz/app/406889139/pasos-para-hackear-coins-master-game-hack, which is likely the destination for the user's click. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of malicious intent, likely to redirect users to a site that hosts further malicious content or exploits.

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/pasos-para-hackear-coins-master-game-hack PDF link annotation
    • https://www.gymun.cz/images/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.gymun.cz/images/coin-master-free-coins-today_GM406889139.pdfIn PDF document text
    • https://www.gymun.cz/images/fighting-free-card-coin-master_GM406889139.pdfIn PDF document text
    • https://www.gymun.cz/images/www-free-robux_GM431946152.pdfIn PDF document text
    • https://www.gymun.cz/images/roblox-free-skin_GM431946152.pdfIn PDF document text
    • https://www.gymun.cz/images/how-to-get-free-robux-without-downloading-apps-2021_GM431946152.pdfIn PDF document text
    • https://www.gymun.cz/images/coin-master-hack-xyz_GM406889139.pdfIn PDF document text
    • https://www.gymun.cz/images/free-800-robux_GM431946152.pdfIn PDF document text
    • https://www.gymun.cz/images/bloxpink-free-robux_GM431946152.pdfIn PDF document text
    • https://www.gymun.cz/images/how-to-download-minecraft-for-free-on-your-phone_GM479516143.pdfIn PDF document text
    • https://www.gymun.cz/images/coin-master-hacks-to-get-spins_GM406889139.pdfIn PDF document text
    • https://www.gymun.cz/images/coin-master-hack-without-human-verification-2021_GM406889139.pdfIn PDF document text
    • https://www.gymun.cz/images/free-robux-com-roblox_GM431946152.pdfIn PDF document text
    • https://www.gymun.cz/images/get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://www.gymun.cz/images/free-robux-generator-no-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.gymun.cz/images/roblox-com-r_GM431946152.pdfIn PDF document text
    • https://www.gymun.cz/images/get-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
    • https://www.gymun.cz/images/free-robux-real_GM431946152.pdfIn PDF document text
    • https://www.gymun.cz/images/free-spins-and-coins-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • https://www.gymun.cz/images/free-robux-2021-no-human-verification_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_off00004adf.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4ADF 24440 bytes
SHA-256: 283b399dd68f300f44eef2b2f61a29e0e3b94d8392b3fbaf869456c29659741f
font_01_sfnt_off00008316.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8316 17868 bytes
SHA-256: 59162798968571b58eab4ea002b9aaa75bdfc5001cc9a37297d5f6ee37b3b3bc

Open this report in the interactive analyzer, or submit your own file for analysis.