Malicious PDF — malware analysis report

Static analysis result for SHA-256 03a1b84649384582…

MALICIOUS

PDF

35.8 KB Created: 2021-05-20 21:07:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 7d8f781964c80dfb5421c92d2478c944 SHA-1: 23be42ba8e443b2e94818fb6c1caefa4315b36ce SHA-256: 03a1b846493845829a375dd039ca2bb5c83a2ebf9c4c72326edb6ca049472105
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, masquerading as game hacks and generators. The document body explicitly mentions 'Minecraft Java For Free' and 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', reinforcing the lure. While no scripts were directly extracted, the PDF structure and embedded URLs strongly suggest a phishing or redirection attack, likely intended to lead users to further malicious content or downloads.

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/minecraft-java-for-free-game-hack In PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/coin-master-rewards-app_GM406889139.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/daily-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/free-robux-no-downloading-apps_GM431946152.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/coin-master-free-coins-and-spins-2021_GM406889139.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/coin-master-coin-link_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_off00003449.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3449 24500 bytes
SHA-256: 36bce524e0460ef0207b4dcff99f710f870da4a98b9d67d7ca41832f3ee7ba17
font_01_sfnt_off00006ba5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BA5 17992 bytes
SHA-256: 877a408be013f078917fd76a4bbe40e25113e750108d1b6ebc83b07ab96d646a

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