Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce3aaa398a0f29ff…

MALICIOUS

PDF

32.3 KB Created: 2021-06-20 21:38:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 29b876122b07e5ac09d7eeb23b004626 SHA-1: acfdf57da51eb3ffd694d272b78dd8a9620b4da2 SHA-256: ce3aaa398a0f29ffacdb9f40a2b8f337f8ad99d5d03c5088bed9290464d50612
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains lures related to game hacks and free in-game currency, directing users to a malicious redirector URL. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content. No scripts were extracted, but the document's structure and embedded links strongly suggest a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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-cheat-in-roblox-2021-game-hack In PDF document text
    • https://tanahlot.id/assets/CKImages/files/hacks-para-roblox_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/easy-robux-hack_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/how-to-become-hacker-in-roblox_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/roblox-games-free_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/coin-master-free-spin-and-coins-links_GM406889139.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/free-roblox-items-2021_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/jailbreak-roblox-free_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/how-to-get-free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/lazyblocks-com-free-robux_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/1x1x1x1-roblox-id_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/bear-cheats-roblox_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/coin-master-daily-spin-free_GM406889139.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/coin-master-daily-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/robux-free-online_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/coin-master-hackcom-xyz_GM406889139.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/free-pins-of-robux_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/minecraft-tools_GM479516143.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/coin-master-free-spins-and-coins-app_GM406889139.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/minecraft-free-minecraft_GM479516143.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_off000029b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x29B3 21288 bytes
SHA-256: 11dd996ccf39233dd64a0b5cedf2e0ba3088ac426a5891df38c63e79882ec574
font_01_sfnt_off00005830.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5830 19320 bytes
SHA-256: 66e5430a6704809eb0bd34eeeb24daeac5a218d783aa414c42eb48bc5136d4dd

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