Malicious PDF — malware analysis report

Static analysis result for SHA-256 602187294cdb4c5f…

MALICIOUS

PDF

33.4 KB Created: 2021-07-05 03:47:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f23b8b2e7f4d2468103d9d5919ca6465 SHA-1: 30e313c0f8344c0f6871ee61205a2952279cd61e SHA-256: 602187294cdb4c5f83b3ca24d60a32eceb9311d979d6bbfd435bd7e189a85782
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains multiple links to known malicious redirectors and infrastructure, disguised as generators for popular games. The primary URL http://netcdn.tw/app/406889139/sb-game-hacker-coin-master-game-hack is identified as a malicious redirector. The document's content and embedded links strongly suggest a social engineering lure to drive traffic to potentially malicious sites, likely for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/406889139/sb-game-hacker-coin-master-game-hack In PDF document text
    • https://www.tena-g.hr/files/f3x-tools-hack-roblox-fe_GM431946152.pdfIn PDF document text
    • https://tena-g.hr/files/free-robux-generator-no-human-verification-2021-for-kids_GM431946152.pdfIn PDF document text
    • https://www.tena-g.hr/files/rbxoffer-com-free-robux_GM431946152.pdfIn PDF document text
    • https://www.tena-g.hr/files/free-tiktok-fans-quick-and-easy_GM835599320.pdfIn PDF document text
    • https://www.tena-g.hr/files/free-robux-no-human-verification-or-downloading-apps_GM431946152.pdfIn PDF document text
    • https://tena-g.hr/files/free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://www.tena-g.hr/files/coin-master-free-coins-link-2021_GM406889139.pdfIn PDF document text
    • https://tena-g.hr/files/roblox-free-robux-scams_GM431946152.pdfIn PDF document text
    • https://www.tena-g.hr/files/coin-master-free-spins-generator_GM406889139.pdfIn PDF document text
    • https://www.tena-g.hr/files/how-to-change-your-roblox-username-for-free_GM431946152.pdfIn PDF document text
    • https://www.tena-g.hr/files/progaming-hacks-com-roblox_GM431946152.pdfIn PDF document text
    • https://tena-g.hr/files/free-star-wars-group-roblox_GM431946152.pdfIn PDF document text
    • https://www.tena-g.hr/files/coin-master-free-coins-spins_GM406889139.pdfIn PDF document text
    • https://tena-g.hr/files/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdfIn PDF document text
    • https://www.tena-g.hr/files/how-to-get-rc7-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://tena-g.hr/files/free-robux-2021_GM431946152.pdfIn PDF document text
    • https://www.tena-g.hr/files/minecraft-free-apk_GM479516143.pdfIn PDF document text
    • https://tena-g.hr/files/free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://tena-g.hr/files/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • https://tena-g.hr/files/real-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00002cad.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2CAD 22864 bytes
SHA-256: 51e03766930d2ecc9e55b82ab5d698ee53eff69c8b946a825697dabddf6dec0f
font_01_sfnt_off00005f84.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F84 18420 bytes
SHA-256: 6a53dc8f067a419c9eeb2c0c5bc72e0738835f67cea1574c478c8e2ae405105c

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