Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7fa2365ee443ea0…

MALICIOUS

PDF

44.8 KB Created: 2021-05-19 07:49:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9af1326b428eec23a4913c18a155c19a SHA-1: 6c1e9f0f5c2ab456b9c7e05d18919c796f6845b0 SHA-256: c7fa2365ee443ea0daf66c1e76354e37e37c9dd0e699e20ab181e673426b9f6a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, specifically advertising game hacks and generators. The primary URL, https://netcdn.xyz/app/1330123889/pubg-uc-center-game-hack, is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to this URL and appears to be part of a lure to entice users to click the malicious links.

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 https://netcdn.xyz/app/1330123889/pubg-uc-center-game-hack In PDF document text
    • http://parsbaft.com/images/minecraft-free-school_GM479516143.pdfIn PDF document text
    • http://parsbaft.com/images/minecraft-cracked-client_GM479516143.pdfIn PDF document text
    • http://parsbaft.com/images/descargar-coin-master-hackeado_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/give-free-robux_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/how-do-u-get-free-robux_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/coin-master-hack-apk-april-12-2021_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/best-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/gain-robux_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/collect-free-spin-linms-coin-master_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/como-sacar-buen-puntaje-en-juego-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/how-to-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/game-hunters-coin-master_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/free-coins-for-flip-master-online_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/roblox-pics_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/free-robux-not-a-scam_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/free-robux-hack-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/minecraft-tower-defense-2-hacked_GM479516143.pdfIn PDF document text
    • http://parsbaft.com/images/hack-coin-master-mod-apk_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/coin-master-32-mod-hack-unlimited_GM406889139.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_003_off000046d3.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x46D3 31036 bytes
SHA-256: ba9dac83930684b21028b64f13dd53bfb470586f87997fe8e34c35d8628f1195
font_01_sfnt_off00008daf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DAF 18000 bytes
SHA-256: d669a1ebee567c2b5b4c4cab2ff67d35b31d9c7f91042067a085d385ca3130f2

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