Malicious PDF — malware analysis report

Static analysis result for SHA-256 5b07c49a8ea0f899…

MALICIOUS

PDF

34.4 KB Created: 2021-07-07 09:46:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 404bea52e13c918b08846572503a4eb6 SHA-1: bc263549b9868e12dfb6f5a3a2579e3eaa29a430 SHA-256: 5b07c49a8ea0f899a289c7c6cb977785ccabceb545743aabfc8a38f87a883b8f
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting game hacks and currency generators. The primary lure appears to be related to 'Robux' and 'Minecraft' cheats. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a phishing or scam attempt designed to lead users to potentially harmful websites.

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/431946152/robux-win-game-hack In PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/minecraft-download-free-download_GM479516143.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/free-minecraft-alt-generator_GM479516143.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/how-to-get-free-minecraft-windows-10_GM479516143.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/how-to-get-free-robux-via-group_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/free-robux-com-roblox_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/claim-free-robux-obby_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/how-to-get-noclip-hack-in-roblox_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/free-minecraft-coins_GM479516143.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/how-to-hack-roblox-using-command-prompt_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/coin-master-game-hack-apk_GM406889139.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/roblox-test-site-free-bc_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/roblox-hack-com_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/roblox-hack-kick-gui-juin-2021_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/can-you-make-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/minecraft-com-free_GM479516143.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/coin-master-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/coin-master-hack_GM406889139.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/coin-master-reward-link_GM406889139.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/free-robux-codes-no-download_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_off00002fca.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2FCA 22516 bytes
SHA-256: 47cf3743fe131c30d49d3fb1319785ea4e9abf74fda6f800558047c253e930ae
font_01_sfnt_off000061d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61D6 18868 bytes
SHA-256: b7886f95459917ce9979ba5e88b3e17eca9525d8377d3e247e9b6fd470620a4b

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