Malicious PDF — malware analysis report

Static analysis result for SHA-256 6dd7c78f399cb461…

MALICIOUS

PDF

36.7 KB Created: 2021-05-22 02:53:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 59c696259335f010330c5307000cf9ea SHA-1: 07367bf5eeebd2f087731d20a7378c61aa0b2c89 SHA-256: 6dd7c78f399cb46120de2b0de5033476a08601d667acb3ae2ca8dcf312fb3483
160 Risk Score

Malware Insights

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

The PDF contains multiple links to known malicious redirectors, disguised as "free generators" for popular games. The document body explicitly mentions "How Do I Get Minecraft For Free" and includes a "CLICK HERE TO ACCESS MINECRAFT GENERATOR" call to action, reinforcing the lure. The ML classifier also flagged this PDF with high confidence. The embedded links likely lead to further stages of infection, such as downloading additional malware or phishing for user credentials.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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/479516143/how-do-i-get-minecraft-for-free-game-hack In PDF document text
    • https://elearning.man1kotamadiun.sch.id/__statics/gudangsoal/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://elearning.man1kotamadiun.sch.id/__statics/gudangsoal/files/minecraft-pe-free-ios_GM479516143.pdfIn PDF document text
    • https://elearning.man1kotamadiun.sch.id/__statics/gudangsoal/files/free-robux-mobile_GM431946152.pdfIn PDF document text
    • https://elearning.man1kotamadiun.sch.id/__statics/gudangsoal/files/get-free-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.man1kotamadiun.sch.id/__statics/gudangsoal/files/coin-master-generator-free_GM406889139.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_off000034ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x34CE 25744 bytes
SHA-256: 93f96d2d7634d281f590ce9b76f4422bf40ffaac3fae9729cd229b64dbdc9f44
font_01_sfnt_off00006ec6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EC6 18044 bytes
SHA-256: 8adf8c493cf7b961d8151eaa7b2e31490a9d93b7fc863b831128d5e31b20427f

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