Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e7e3d379463c684…

MALICIOUS

PDF

45.8 KB Created: 2021-05-16 23:31:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 2c9cc6668424a5371a4daaae377601c1 SHA-1: 6471056c8e1be145f3cb4b6ce22cf1bb3710dda8 SHA-256: 5e7e3d379463c684907a98c0bb4ad355feec93fac227a566348e40a0f399c93f
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links that redirect to malicious infrastructure, specifically promoting 'free Robux' or 'game hacks' as a lure. The ML classifier also flagged this PDF as malicious. The embedded URLs and the document body content strongly suggest a phishing or scam attempt designed to lead users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9432

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/431946152/free-robux-no-survey-or-human-verification-game-hack In PDF document text
    • http://tah-li.com/images/minecraft-pe_GM479516143.pdfIn PDF document text
    • http://tah-li.com/images/coin-master-daily-free-cards_GM406889139.pdfIn PDF document text
    • http://tah-li.com/images/what-is-coin-master_GM406889139.pdfIn PDF document text
    • http://tah-li.com/images/how-to-get-free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://tah-li.com/images/get-me-robux_GM431946152.pdfIn PDF document text
    • http://tah-li.com/images/free-robux-generator-no-survey_GM431946152.pdfIn PDF document text
    • http://tah-li.com/images/roblox-hack-download-pc_GM431946152.pdfIn PDF document text
    • http://tah-li.com/images/free-robux-easy-and-fast_GM431946152.pdfIn PDF document text
    • http://tah-li.com/images/free-spins-on-coin-master-game_GM406889139.pdfIn PDF document text
    • http://tah-li.com/images/free-roblox-outfits_GM431946152.pdfIn PDF document text
    • http://tah-li.com/images/free-spins-coin-master-blogspot_GM406889139.pdfIn PDF document text
    • http://tah-li.com/images/free-game-pack-with-google-play-coin-master_GM406889139.pdfIn PDF document text
    • http://tah-li.com/images/can-i-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
    • http://tah-li.com/images/coin-master-34-4-hack-download_GM406889139.pdfIn PDF document text
    • http://tah-li.com/images/minecraft-java-free-download_GM479516143.pdfIn PDF document text
    • http://tah-li.com/images/master-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://tah-li.com/images/how-to-hack-any-roblox-account_GM431946152.pdfIn PDF document text
    • http://tah-li.com/images/coin-master-free-daily-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://tah-li.com/images/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://tah-li.com/images/roblox-hacking-website_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004cf5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4CF5 24184 bytes
SHA-256: c9d069a42a6bdffaf7756aa856f768dc99c06c2bc2ea9ee159b8e18cfc573e0a
font_01_sfnt_off00008460.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8460 2820 bytes
SHA-256: 972979c3a46100cf5f8fd289bc6fbd2496ff75fec0e3f6753648c72ec6eba714
font_02_sfnt_off00008e00.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E00 19156 bytes
SHA-256: 740843b016d65d6d98e94234348adfc338e782053996300107113ffe61ddc4f5

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