Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf47d183c1c1200b…

MALICIOUS

PDF

33.1 KB Created: 2021-06-25 23:58:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 484d796bcea7b676edb0dd87e330b48e SHA-1: 2ffa3d2b77ff166a62f3dc190ceaef39f80dc4ca SHA-256: cf47d183c1c1200bafe9e887a95359bf9e625bdd77c518743a5d67f29976ad4a
160 Risk Score

Malware Insights

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

This PDF document contains multiple links to known malicious redirectors and websites offering 'game hacks' and free in-game currency, such as robux and coin master spins. The primary lure appears to be related to 'Zombie Strike Hacks Roblox'. The document's structure and embedded links strongly suggest it is designed to lead users to potentially malicious content or downloads, aligning with a phishing or social engineering attack pattern.

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.co/app/431946152/zombie-strike-hacks-roblox-game-hack In PDF document text
    • http://atrax.hr/files/free-robux-no-offers_GM431946152.pdfIn PDF document text
    • http://atrax.hr/files/free-2021-robux_GM431946152.pdfIn PDF document text
    • http://atrax.hr/files/coin-master-free-spins-daily-1-ga_GM406889139.pdfIn PDF document text
    • http://atrax.hr/files/minecraft-apk-free-download-016-0_GM479516143.pdfIn PDF document text
    • http://atrax.hr/files/pig-master-coin-master-free-spin_GM406889139.pdfIn PDF document text
    • http://atrax.hr/files/cheapest-pubg-uc_GM1330123889.pdfIn PDF document text
    • http://atrax.hr/files/coin-master-free-daily-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://atrax.hr/files/free-roblox-executor_GM431946152.pdfIn PDF document text
    • http://atrax.hr/files/free-minecraft-maps_GM479516143.pdfIn PDF document text
    • http://atrax.hr/files/static-moonactive_GM406889139.pdfIn PDF document text
    • https://www.atrax.hr/files/coin-master-apk-hack_GM406889139.pdfIn PDF document text
    • https://www.atrax.hr/files/coin-master-tiradas-gratis-link_GM406889139.pdfIn PDF document text
    • https://www.atrax.hr/files/roblox-how-to-get-free-obc-2021_GM431946152.pdfIn PDF document text
    • https://www.atrax.hr/files/minecraft-life-hacks_GM479516143.pdfIn PDF document text
    • https://www.atrax.hr/files/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://atrax.hr/files/how-to-hack-bloxburg-roblox-2021_GM431946152.pdfIn PDF document text
    • http://atrax.hr/files/i-got-hacked-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.atrax.hr/files/coin-master-game-hack-app_GM406889139.pdfIn PDF document text
    • http://atrax.hr/files/hack-coin-master-no-verification_GM406889139.pdfIn PDF document text
    • http://atrax.hr/files/roblox-moderators_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
font_00_sfnt_off00002cce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2CCE 21472 bytes
SHA-256: 1af804b410206a9aa6adaefc105e0260a87a81d2929ae124fe4f2f3cfdf06587
font_01_sfnt_off00005ba8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5BA8 19236 bytes
SHA-256: a426e59ea56c874a9ad5864568b14457d8b461d41509da74cd223524c5d1448e

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