Malicious PDF — malware analysis report

Static analysis result for SHA-256 a9d8fe92f5309f62…

MALICIOUS

PDF

35.9 KB Created: 2021-05-22 04:23:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 1f3226e8614435e56de5e86efb10fbd7 SHA-1: 2dd98b6cc58ccf93b517c8412713b295eff968c9 SHA-256: a9d8fe92f5309f62e02d0c8f33974c21faa3f7c49694b08dc4d68f08e7754e33
160 Risk Score

Malware Insights

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

The PDF contains multiple links to malicious redirectors, disguised as 'game hacks' and 'generators', which are designed to lure users into downloading further malicious content. The document body explicitly mentions 'Tiktok Minecraft Hacks' and 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', reinforcing the lure. The presence of multiple malicious URLs indicates a clear intent to distribute malware or lead users to phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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/tiktok-minecraft-hacks-game-hack In PDF document text
    • https://mbbs.hr/files/coin-master-link-for-spins_GM406889139.pdfIn PDF document text
    • https://mbbs.hr/files/coin-master-hack-ios-no-verification_GM406889139.pdfIn PDF document text
    • https://mbbs.hr/files/free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://mbbs.hr/files/no-human-verification-hack-for-coin-master_GM406889139.pdfIn PDF document text
    • https://mbbs.hr/files/coin-master-free-spin-today_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
stream_002_off000031dc.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x31DC 25880 bytes
SHA-256: 6d1bf216a3da6f24c08b4751330871d5b76f0f4ce3b5edd7d3e405010b58e050
font_01_sfnt_off00006c38.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C38 17880 bytes
SHA-256: df7e49ec95a548ee0d23b7b279df4e27423bf5bf6641f50b7ca94314a26af21a