Malicious PDF — malware analysis report

Static analysis result for SHA-256 93bafd0acc6acfd3…

MALICIOUS

PDF

38.5 KB Created: 2021-05-22 21:36:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 97bca2d86e9d237c9730e005abf34c02 SHA-1: ebb2409d0ab837b76466f1c46711681ef2cf501d SHA-256: 93bafd0acc6acfd31b9ce07161bccc1b5f05bf44e86be357c5b62e3389edc9d4
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, specifically promoting 'free generators' and 'game hacks' for popular games like Minecraft. The document body and heuristics indicate a lure to download or access these purported hacks, which likely leads to further malicious content or malware. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9476

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/minecraft-free-download-windows-game-hack In PDF document text
    • http://imp.lg.ua/images/minecraft-java-edition-free-download_GM479516143.pdfIn PDF document text
    • http://imp.lg.ua/images/roblox-login-hack_GM431946152.pdfIn PDF document text
    • http://imp.lg.ua/images/freer-tiktok_GM835599320.pdfIn PDF document text
    • http://imp.lg.ua/images/link-for-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://imp.lg.ua/images/how-to-get-free-minecraft-alts_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
stream_002_off000034c7.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x34C7 29028 bytes
SHA-256: a57a25001d7fedaee27c1249c87aaf9912fa5f8e0cb8094516d6445ffd44780f
font_01_sfnt_off00007485.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7485 18488 bytes
SHA-256: 01dcb0f2ff627f41b1d4924369c472c3c2df1c4c10fc263e12ce9879fd09d82b

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