Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8ceb01daa8afde6…

MALICIOUS

PDF

33.4 KB Created: 2021-07-19 18:42:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6f35c48ddc7136a49623419b97cd03a0 SHA-1: 5c016aed9b75b0885eaefb3a312f59161d420ff4 SHA-256: f8ceb01daa8afde60a1af81a35afe28a3b39a6aced05b13a4c1a5d81b148cf43
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, specifically advertising free game hacks and generators. The document body and embedded links promote 'Minecraft Games Free Download' and 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', which are common lures for phishing or malware distribution. The presence of multiple redirector links suggests an attempt to funnel users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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.tw/app/479516143/minecraft-games-free-download-game-hack In PDF document text
    • https://ghevanphongdep.vn/public/upload/files/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/free-robux-pastebin_GM431946152.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/free-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/roblox-mobile-hack_GM431946152.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/minecraft-bedrock-free_GM479516143.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/how-to-get-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/free-tiktok-fans-no-verification_GM835599320.pdfIn PDF document text
    • https://ghevanphongdep.vn/public/upload/files/free-minecraft-java-edition_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_off00002d19.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D19 22680 bytes
SHA-256: d0873bef1f01407ffb8db5b6410a0b2a998fa55f4651f754a9c16de40ad464e2
font_01_sfnt_off00005fd3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FD3 18548 bytes
SHA-256: ca1316f27781c6024a610b7b161693a7a162d40ad3e3bb281154e4fcfa7f8f80