Malicious PDF — malware analysis report

Static analysis result for SHA-256 910c8ddb4eca0b98…

MALICIOUS

PDF

42.8 KB Created: 2021-05-15 08:49:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 102a3ed797b88ef411004a0659a3b842 SHA-1: 9f5218603c3a373d2fd054982962f88d65241fdb SHA-256: 910c8ddb4eca0b98da2f2cee15399ae6d997c69360b1823009d4b832b8d83d9f
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains links that redirect to malicious infrastructure, specifically promoting 'free generator' or 'game hack' lures. The document body and embedded URLs suggest a social engineering tactic to trick users into visiting potentially harmful sites. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a malicious redirector chain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/431946152/show-me-how-to-get-free-robux-game-hack In PDF document text
    • https://adventureglaciertreks.com/userfiles/files/how-to-get-minecraft-for-free-on-xbox-360_GM479516143.pdfIn PDF document text
    • https://adventureglaciertreks.com/userfiles/files/earn-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • https://adventureglaciertreks.com/userfiles/files/minecraft-hacks-list_GM479516143.pdfIn PDF document text
    • https://adventureglaciertreks.com/userfiles/files/how-can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://adventureglaciertreks.com/userfiles/files/roblox-pink-free-robux_GM431946152.pdfIn PDF document text
    • https://adventureglaciertreks.com/userfiles/files/coin-master-hack-version-apk-download_GM406889139.pdfIn PDF document text
    • https://adventureglaciertreks.com/userfiles/files/google-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://adventureglaciertreks.com/userfiles/files/coin-master-hack-for-android_GM406889139.pdfIn PDF document text
    • https://adventureglaciertreks.com/userfiles/files/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • https://adventureglaciertreks.com/userfiles/files/minecraft-pocket-edition-apk-free-download_GM479516143.pdfIn PDF document text
    • https://adventureglaciertreks.com/userfiles/files/how-can-you-get-free-robux_GM431946152.pdfIn PDF document text
    • https://adventureglaciertreks.com/userfiles/files/instagram-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://adventureglaciertreks.com/userfiles/files/roblox-group-free-robux_GM431946152.pdfIn PDF document text
    • https://adventureglaciertreks.com/userfiles/files/how-to-get-free-robux-on-phone_GM431946152.pdfIn PDF document text
    • https://adventureglaciertreks.com/userfiles/files/how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • https://adventureglaciertreks.com/userfiles/files/roblox-zone-free-robux_GM431946152.pdfIn PDF document text
    • https://adventureglaciertreks.com/userfiles/files/coin-master-hack-2021-link_GM406889139.pdfIn PDF document text
    • https://adventureglaciertreks.com/userfiles/files/xray-hack_GM479516143.pdfIn PDF document text
    • https://adventureglaciertreks.com/userfiles/files/how-to-get-free-unlimited-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://adventureglaciertreks.com/userfiles/files/free-roblox-gfx_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_003_off00004aae.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AAE 24980 bytes
SHA-256: 3937b531e55392c5b62bdf480437ad8ecb5146e68a0136fb60fa1c60eedb531d
font_01_sfnt_off000083c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83C7 18644 bytes
SHA-256: e51f5be8af2709164d8b68ea121f2f3a624582c0bbe9bba0986852bbf2bf647d

Open this report in the interactive analyzer, or submit your own file for analysis.