Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e5aa0688ad36d27…

MALICIOUS

PDF

50.0 KB Created: 2021-06-08 13:27:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4936f79bae92fb143a355889d4dd70d5 SHA-1: 16660f367f266c26da31c327b7881bab7a493c24 SHA-256: 3e5aa0688ad36d270cef7fca8d88f0645c629cdd65770cc7fbca43015954d090
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting game hacks and free currency generators. The presence of a visual download button and the overall lure suggest a phishing or scam attempt. While no scripts were directly extracted, the PDF structure and embedded links are indicative of a malicious workflow designed to lead users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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.tw/app/431946152/get-robux-for-free-generator-game-hack In PDF document text
    • http://sagarirrigation.co.in/wp-content/uploads/fsqm-files/cheat-engine-hack-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • http://sagarirrigation.co.in/wp-content/uploads/fsqm-files/free-commands-roblox_GM431946152.pdfIn PDF document text
    • http://sagarirrigation.co.in/wp-content/uploads/fsqm-files/roblox-hack-v414_GM431946152.pdfIn PDF document text
    • http://sagarirrigation.co.in/wp-content/uploads/fsqm-files/free-robux-and-tickets-generator-2021_GM431946152.pdfIn PDF document text
    • http://sagarirrigation.co.in/wp-content/uploads/fsqm-files/minecraft-build-hacks_GM479516143.pdfIn PDF document text
    • http://sagarirrigation.co.in/wp-content/uploads/fsqm-files/i-think-someone-hacked-my-roblox-account_GM431946152.pdfIn PDF document text
    • http://sagarirrigation.co.in/wp-content/uploads/fsqm-files/how-to-get-minecraft-dungeons-for-free_GM479516143.pdfIn PDF document text
    • http://sagarirrigation.co.in/wp-content/uploads/fsqm-files/roblox-polyguns-crate-teleport-hack_GM431946152.pdfIn PDF document text
    • http://sagarirrigation.co.in/wp-content/uploads/fsqm-files/how-to-get-free-roblox-badges_GM431946152.pdfIn PDF document text
    • http://sagarirrigation.co.in/wp-content/uploads/fsqm-files/how-to-hack-roblox-accounts-with-bruteforce_GM431946152.pdfIn PDF document text
    • http://sagarirrigation.co.in/wp-content/uploads/fsqm-files/minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://sagarirrigation.co.in/wp-content/uploads/fsqm-files/tiktok-viewer-free_GM835599320.pdfIn PDF document text
    • http://sagarirrigation.co.in/wp-content/uploads/fsqm-files/how-to-get-any-gamepass-for-free-roblox_GM431946152.pdfIn PDF document text
    • http://sagarirrigation.co.in/wp-content/uploads/fsqm-files/pastebin-hack-robux-2021_GM431946152.pdfIn PDF document text
    • http://sagarirrigation.co.in/wp-content/uploads/fsqm-files/robux-free-tips-apk_GM431946152.pdfIn PDF document text
    • http://sagarirrigation.co.in/wp-content/uploads/fsqm-files/beyblad-rebirth-roblox-hack_GM431946152.pdfIn PDF document text
    • http://sagarirrigation.co.in/wp-content/uploads/fsqm-files/free-roblox-avatar-download_GM431946152.pdfIn PDF document text
    • http://sagarirrigation.co.in/wp-content/uploads/fsqm-files/free-roblox-gamecards-secret-codes_GM431946152.pdfIn PDF document text
    • http://sagarirrigation.co.in/wp-content/uploads/fsqm-files/nonsense-diamond-roblox-cheat_GM431946152.pdfIn PDF document text
    • http://sagarirrigation.co.in/wp-content/uploads/fsqm-files/paginas-para-hackear-roblox_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_off00005300.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5300 28560 bytes
SHA-256: 5fbb1d8dcb3ff5f45dd2521b95f1e5c399e4a7457a01fce6fa6bee881c77af6c
font_01_sfnt_off00009416.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9416 3884 bytes
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf
font_02_sfnt_off0000a0bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA0BD 18344 bytes
SHA-256: a1ad081cd4c59e90216507cc46d7d927992e1d83192dc74de612bb4ef50cbbcc

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