Malicious PDF — malware analysis report

Static analysis result for SHA-256 941306c2d2342e5d…

MALICIOUS

PDF

44.0 KB Created: 2021-06-13 22:44:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-12
MD5: e054328abb91e7f37e444e6f9eec153c SHA-1: e13265341bd039cb91b3f848cb6b08bdf5b665b0 SHA-256: 941306c2d2342e5d92134aefeb67ece2ee4c7d50a934f125686898d42b4be03e
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains embedded links that redirect to a malicious domain, masquerading as a game hack generator. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a lure to download further malicious content or redirect to a phishing site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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/private-surver-hack-on-roblox-jailbreak-game-hack In PDF document text
    • https://www.misceren.com/home/misceren/public_html/upload/files/free-face-roblox_GM431946152.pdfIn PDF document text
    • https://www.misceren.com/home/misceren/public_html/upload/files/free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • https://www.misceren.com/home/misceren/public_html/upload/files/minecraft-gun-games-free_GM479516143.pdfIn PDF document text
    • https://www.misceren.com/home/misceren/public_html/upload/files/how-to-ban-people-in-roblox-hack-2021_GM431946152.pdfIn PDF document text
    • https://www.misceren.com/home/misceren/public_html/upload/files/roblox-adopt-me-hack_GM431946152.pdfIn PDF document text
    • https://www.misceren.com/home/misceren/public_html/upload/files/free-followers-on-roblox-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.misceren.com/home/misceren/public_html/upload/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://www.misceren.com/home/misceren/public_html/upload/files/robux-free-gift-card-org-hack_GM431946152.pdfIn PDF document text
    • https://www.misceren.com/home/misceren/public_html/upload/files/bighead-for-free-roblox_GM431946152.pdfIn PDF document text
    • https://www.misceren.com/home/misceren/public_html/upload/files/coin-master-fan-page-free-spins_GM406889139.pdfIn PDF document text
    • https://www.misceren.com/home/misceren/public_html/upload/files/free-robux-map-2021_GM431946152.pdfIn PDF document text
    • https://www.misceren.com/home/misceren/public_html/upload/files/how-to-hack-coin-master-root_GM406889139.pdfIn PDF document text
    • https://www.misceren.com/home/misceren/public_html/upload/files/is-minecraft-free-on-xbox_GM479516143.pdfIn PDF document text
    • https://www.misceren.com/home/misceren/public_html/upload/files/descargar-fly-hack-roblox_GM431946152.pdfIn PDF document text
    • https://www.misceren.com/home/misceren/public_html/upload/files/coin-master-hack-activegamer_GM406889139.pdfIn PDF document text
    • https://www.misceren.com/home/misceren/public_html/upload/files/how-to-get-hacks-on-minecraft_GM479516143.pdfIn PDF document text
    • https://www.misceren.com/home/misceren/public_html/upload/files/free-roblox-shirt-templates-2021_GM431946152.pdfIn PDF document text
    • https://www.misceren.com/home/misceren/public_html/upload/files/minecraft-pe-hacks-ios_GM479516143.pdfIn PDF document text
    • https://www.misceren.com/home/misceren/public_html/upload/files/free-coins-coin-master-link_GM406889139.pdfIn PDF document text
    • https://www.misceren.com/home/misceren/public_html/upload/files/how-to-get-java-minecraft-free_GM479516143.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_off00004bf4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4BF4 25604 bytes
SHA-256: 885acac61ac679f0e2d385e858cfd76d1b5494df0cef010417045cda40fdfd3c
font_01_sfnt_off000087a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87A9 18980 bytes
SHA-256: ffaa9e27f90a297dd552ab3d02b4dc7ee33abd5f912e4e2a2c9e5fc68f7bb17e

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