Malicious PDF — malware analysis report

Static analysis result for SHA-256 3f97177813609a6b…

MALICIOUS

PDF

28.7 KB Created: 2021-07-18 22:34:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 2acf4383f1557c5259d87eb2bd8ea2c2 SHA-1: 2f4ca25614110c7fb6d8afb69bf16adcbd6fe9c7 SHA-256: 3f97177813609a6b41f7905191d1742ced12b304c9ceed137c064ca60a40555f
130 Risk Score

Malware Insights

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

The PDF document contains a critical heuristic firing for a game hack redirector lure, pointing to a known malicious URL. The document body also contains text and a call-to-action phrase, 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', reinforcing the lure. The embedded URL is likely intended to download and execute a second-stage payload, leading to client execution.

Machine Learning

  • Nyx PDF Classifier clean score 0.0373

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/is-minecraft-education-edition-free-game-hack In 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_off00002094.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2094 21568 bytes
SHA-256: be49c7d498ad93436855760d7001cad0f166fd3a9422565f6c5362690abd5c91
font_01_sfnt_off00004f8f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F8F 18024 bytes
SHA-256: 860599eb2378c11ce9f069b8b1214934614c40beead093e3b25ec1c42f286d72