Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d184ef66eca8e39…

MALICIOUS

PDF

33.1 KB Created: 2021-07-20 13:00:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6ca3252746f40ee7e1181fa06b0dc9fe SHA-1: 82222482b936d9cd28c32758e27edf9395ae4599 SHA-256: 4d184ef66eca8e391de72c674e1877ffb365ba6574a669a0d5c327c9bb626226
160 Risk Score

Malware Insights

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

The PDF document contains multiple links to known malicious redirectors, disguised as lures for game hacks and generators. The document body explicitly contains a call to action 'CLICK HERE TO ACCESS MINECRAFT GENERATOR' and a primary redirect URL. The ML classifier also strongly indicated maliciousness. The embedded links likely lead to further stages of malware delivery or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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-java-free-game-hack In PDF document text
    • http://genialica.de/images/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
    • http://genialica.de/images/free-minecraft-games-for-kids_GM479516143.pdfIn PDF document text
    • http://genialica.de/images/coin-master-free-gifts_GM406889139.pdfIn PDF document text
    • http://genialica.de/images/minecraft-com-free_GM479516143.pdfIn PDF document text
    • http://genialica.de/images/minecraft-redeem-code-free_GM479516143.pdfIn PDF document text
    • http://genialica.de/images/free-robux-gift-card-codes_GM431946152.pdfIn PDF document text
    • http://genialica.de/images/free-likes-on-tiktok_GM835599320.pdfIn PDF document text
    • http://genialica.de/images/robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://genialica.de/images/minecraft-bedrock-free_GM479516143.pdfIn PDF document text
    • http://genialica.de/images/how-to-get-free-spins-on-coin-master_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_off00002ddc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DDC 22764 bytes
SHA-256: 73ae3e3cb17246bb462c0b5bb4e049d0822069f00d876f37ef490b01e0c26ee2
font_01_sfnt_off000060a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60A0 17848 bytes
SHA-256: c651dee67b00b36100d0c208f30a7974f38e9c4fefacd489da3c8fda34869f62