Malicious PDF — malware analysis report

Static analysis result for SHA-256 c56c2612bc8769a5…

MALICIOUS

PDF

47.8 KB Created: 2021-06-01 05:36:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: ff9c41352bc131574769b183682d6b0f SHA-1: e10eec84b337f518917c10c8fab1d050a2c45d82 SHA-256: c56c2612bc8769a59558c0b7f62baadc5976e937552aabc5aa0fcbd801d50687
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains multiple links to redirector domains, specifically advertising 'game hacks' and 'free generators' for popular games like Roblox. These links likely lead to malicious websites designed to trick users into downloading malware or providing sensitive information. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9769

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/roblox-wallhack-cheat-engine-game-hack In PDF document text
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/how-to-get-free-itunes-for-promo-codes-in-roblox_GM431946152.pdfIn PDF document text
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/master-coin-free-spin_GM406889139.pdfIn PDF document text
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/2-characters-from-roblox-standing-together-copyright-free_GM431946152.pdfIn PDF document text
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/robloxcom-cheat-codes_GM431946152.pdfIn PDF document text
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/free-tiktok-views_GM835599320.pdfIn PDF document text
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/www-free-robux_GM431946152.pdfIn PDF document text
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/minecraft-pocket-edition-free-download_GM479516143.pdfIn PDF document text
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/minecraft-bedrock-edition-download-pc-free_GM479516143.pdfIn PDF document text
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/free-tiktok-likes-no-survey_GM835599320.pdfIn PDF document text
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/roblox-free-phantom-forces-vip-server_GM431946152.pdfIn PDF document text
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/minecraft-games-to-play-for-free_GM479516143.pdfIn PDF document text
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/roblox-no-verification-hack_GM431946152.pdfIn PDF document text
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/coin-master-free-spin-today_GM406889139.pdfIn PDF document text
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/free-robux-no-verify_GM431946152.pdfIn PDF document text
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/free-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/programa-para-hacks-en-roblox_GM431946152.pdfIn PDF document text
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/how-to-download-nonsense-diamond-hack-roblox_GM431946152.pdfIn PDF document text
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/cache-http-thebuxiancom-howtohackanyonesrobuxandstealit_GM431946152.pdfIn PDF document text
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/get-minecraft-windows-10-free_GM479516143.pdfIn PDF document text
    • https://mdesigns.sa/wp-content/uploads/fsqm-files/roblox-free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005294.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5294 24096 bytes
SHA-256: 8e85c491f728ac2f423db1324938b24770213ad2e297dab8dd08bfb4471ed79d
font_01_sfnt_off000088d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88D3 3884 bytes
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf
font_02_sfnt_off0000957b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x957B 19056 bytes
SHA-256: 895ba58bcdc5e544cbe5893c06aed14f4d855c465d73492e30dc713ccef34da1

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