Malicious PDF — malware analysis report

Static analysis result for SHA-256 beb14b3c2d11dc2f…

MALICIOUS

PDF

34.8 KB Created: 2021-06-29 16:58:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6c894ae4e6d5f1e35638c44efe65fce9 SHA-1: 6c4a97fda092dfda9b6a9926d7737af3b4afc03b SHA-256: beb14b3c2d11dc2f66571e9cd01ecb20aada1023da885540323912406d6d572b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded links that redirect to websites offering game hacks and generators, such as 'roblox-mobile-cheat-codes-game-hack'. These links are flagged as malicious redirectors, indicating a phishing or scam attempt. The document's content and structure strongly suggest it is designed to trick users into visiting these malicious sites, likely for credential harvesting or malware distribution.

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/roblox-mobile-cheat-codes-game-hack In PDF document text
    • http://www.sourcology.com/uploaded_files/userfiles/files/coin-master-free-spins-link-download_GM406889139.pdfIn PDF document text
    • http://www.sourcology.com/uploaded_files/userfiles/files/can-you-earn-robux_GM431946152.pdfIn PDF document text
    • http://www.sourcology.com/uploaded_files/userfiles/files/free-robux-generator_GM431946152.pdfIn PDF document text
    • http://www.sourcology.com/uploaded_files/userfiles/files/mobihack-roblox-hack_GM431946152.pdfIn PDF document text
    • http://www.sourcology.com/uploaded_files/userfiles/files/plug-toolbox-for-minecraft-free-ios_GM479516143.pdfIn PDF document text
    • http://www.sourcology.com/uploaded_files/userfiles/files/free-game-pack-with-google-play-coin-master_GM406889139.pdfIn PDF document text
    • http://www.sourcology.com/uploaded_files/userfiles/files/free-coin-master-hacks_GM406889139.pdfIn PDF document text
    • http://www.sourcology.com/uploaded_files/userfiles/files/coin-master-free-spin-and-trading_GM406889139.pdfIn PDF document text
    • http://www.sourcology.com/uploaded_files/userfiles/files/free-robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.sourcology.com/uploaded_files/userfiles/files/roblox-r15-script-hack_GM431946152.pdfIn PDF document text
    • http://www.sourcology.com/uploaded_files/userfiles/files/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • http://www.sourcology.com/uploaded_files/userfiles/files/test-all-the-roblox-gears-free-admin_GM431946152.pdfIn PDF document text
    • http://www.sourcology.com/uploaded_files/userfiles/files/roblox-bloxburg-free-money-glitch_GM431946152.pdfIn PDF document text
    • http://www.sourcology.com/uploaded_files/userfiles/files/minecraft-texture-packs-free-download_GM479516143.pdfIn PDF document text
    • http://www.sourcology.com/uploaded_files/userfiles/files/roblox-hack-players_GM431946152.pdfIn PDF document text
    • http://www.sourcology.com/uploaded_files/userfiles/files/how-to-get-minecraft-for-free-on-ps4-2021_GM479516143.pdfIn PDF document text
    • http://www.sourcology.com/uploaded_files/userfiles/files/coin-master-hack-apk-iphone_GM406889139.pdfIn PDF document text
    • http://www.sourcology.com/uploaded_files/userfiles/files/pokemon-go-free-items_GM1094591345.pdfIn PDF document text
    • http://www.sourcology.com/uploaded_files/userfiles/files/roblox-cheat-dll-2021_GM431946152.pdfIn PDF document text
    • http://www.sourcology.com/uploaded_files/userfiles/files/free-robux-obby-roblox-game_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_off000031c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31C1 21880 bytes
SHA-256: 09b901ab69987292c0271e13ca10e1b1886243b708cb1bedaa218bfecd5f8c2f
font_01_sfnt_off0000624a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x624A 19248 bytes
SHA-256: 907bf53c06d1f9bcabe65519375dd937794de00f0ad67fd0d69dbf7bd0c58bec

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