Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea56c34ef7e92cb4…

MALICIOUS

PDF

47.1 KB Created: 2021-05-11 09:00:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 281a6d6f97e3e9db2bc8493e0c29eeaa SHA-1: ad8dc069b83c8a0b10b35ea0ef3b68dae7c0ff55 SHA-256: ea56c34ef7e92cb482f390d46aae9ed0787bdb3196d9029e39b7f53eb777b0c7
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains lures for free game hacks and Robux, directing users to malicious redirectors. The embedded links and document body content strongly suggest a phishing or scam attempt designed to trick users into visiting malicious sites. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate malicious redirection capabilities.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

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/how-to-get-free-robux-2021-easy-game-hack In PDF document text
    • http://ddsadler.net/images/minecraft-hack-client-18-9_GM479516143.pdfIn PDF document text
    • http://ddsadler.net/images/free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • http://ddsadler.net/images/coin-master-hack-tool-v1-9-download-free-pc_GM406889139.pdfIn PDF document text
    • http://ddsadler.net/images/public-enemy-sun-prairie-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://ddsadler.net/images/free-script-executor-roblox_GM431946152.pdfIn PDF document text
    • http://ddsadler.net/images/minecraft-pe-015-0-apk-free-download_GM479516143.pdfIn PDF document text
    • http://ddsadler.net/images/coin-master-latest-version-hack_GM406889139.pdfIn PDF document text
    • http://ddsadler.net/images/minecraft-windows-10-key-free_GM479516143.pdfIn PDF document text
    • http://ddsadler.net/images/how-to-get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://ddsadler.net/images/download-minecraft-java-edition-free_GM479516143.pdfIn PDF document text
    • http://ddsadler.net/images/how-to-get-free-spins-on-coin-master-without-waiting_GM406889139.pdfIn PDF document text
    • http://ddsadler.net/images/haktuts-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://ddsadler.net/images/roblox-lawsuit_GM431946152.pdfIn PDF document text
    • http://ddsadler.net/images/how-to-get-free-robux-promo-codes_GM431946152.pdfIn PDF document text
    • http://ddsadler.net/images/coin-master-hacks-free-spins_GM406889139.pdfIn PDF document text
    • http://ddsadler.net/images/body-roblox_GM431946152.pdfIn PDF document text
    • http://ddsadler.net/images/get-coin-master-cards-free_GM406889139.pdfIn PDF document text
    • http://ddsadler.net/images/roblox-hacked-accounts-list_GM431946152.pdfIn PDF document text
    • http://ddsadler.net/images/free-roblox-hack-us_GM431946152.pdfIn PDF document text
    • http://ddsadler.net/images/roblox-free-play_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004682.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4682 25424 bytes
SHA-256: 795f07a5d3f9f648373246be55029d2e946f87109819043028d8c6b875529327
font_01_sfnt_off000080fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80FB 7448 bytes
SHA-256: a76ff9b4805dcff342f7268a16e2e3c2ff2b31b96c381fe4deb6ceea777bce90
font_02_sfnt_off000092de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x92DE 19092 bytes
SHA-256: cc4041fc50bd2ea9a1268967e32916156e3a634973a216864dd7f220ceb04504

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