Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ccf2123f43085df…

MALICIOUS

PDF

35.4 KB Created: 2021-06-29 16:58:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 35d8369ee01b402341d729db224b2c7b SHA-1: dc8d950507bcc594cfa35b121edc7e9e1793164f SHA-256: 2ccf2123f43085dfffa091bb6a3bc6a56f6a32e7eee313f68e7d6bab9fddf558
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one pointing to known malicious redirector infrastructure at http://netcdn.co/app/431946152/how-to-hack-pet-simulator-roblox-game-hack. The document body and heuristics indicate a lure related to game hacks and free currency, designed to trick users into clicking the malicious link. No scripts were extracted, but the presence of embedded URLs and the lure suggest an attempt to redirect users to a malicious site, likely for further exploitation or phishing.

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/how-to-hack-pet-simulator-roblox-game-hack In PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/roblox-mafia-cloth-free_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/how-to-install-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/roblox-apps-info-hack-generator_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/roblox-hack-injector-dl_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/free-draw-2-roblox-hack_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/roblox-jailbreak-hack-exploit-download_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/how-do-you-get-free-robux-easy_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/free-robux-link_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/how-to-hack-robux_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/im-hacking-roblox_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/april-1st-roblox-hack-face_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/minecraft-free-app_GM479516143.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/free-roblox-promo-codes-2021-may_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/roblox-5x-coins-anime-cross-hack_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/free-minecraft-alt-accounts_GM479516143.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/daily-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/go-throug-roblox-download-hack_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/auto-clicker-hack-roblox-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
font_00_sfnt_off000031ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31ED 22464 bytes
SHA-256: 82b96ad4c98e47aaf447e3cb742d659e6ad201a0b48f76c09881307983aba098
font_01_sfnt_off000063e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63E5 19600 bytes
SHA-256: babd8a09c1e4e86ed792fcc0328e275fdeeb44151cc4a928d8dd4384188aad05

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