Malicious PDF — malware analysis report

Static analysis result for SHA-256 7cec81f17a551dc2…

MALICIOUS

PDF

37.1 KB Created: 2021-05-23 03:13:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 479d0f9df676af1bc123bb3653207ba2 SHA-1: 5c26724bf7bff0e474bb42fa2cb53ed340d551de SHA-256: 7cec81f17a551dc2b7d06d496b15564d3383cd78d84488a6834a00e96695ffc1
160 Risk Score

Malware Insights

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

The PDF contains multiple links, with one prominently advertised as a 'free generator / game hack' for Minecraft. This link, https://netcdn.xyz/app/479516143/minecraft-java-free-download-game-hack, redirects to known malicious infrastructure. The presence of a 'CLICK HERE TO ACCESS MINECRAFT GENERATOR' call-to-action further supports the lure. While no scripts were extracted, the PDF structure and embedded URLs strongly indicate a phishing or redirection attempt, likely to deliver a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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-free-download-game-hack In PDF document text
    • https://emindonesia.com/assets/CKImages/files/how-do-you-earn-free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/free-spins-and-coins-coin-master_GM406889139.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/tiktok-famous-club-free-followers_GM835599320.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/coin-master-twitter_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_off000034e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x34E8 25868 bytes
SHA-256: 0fdee78c943bd8c2e8c6d4fb3749a598a8a88a98eb654a453549c4d5e90ee909
font_01_sfnt_off00006efd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EFD 18572 bytes
SHA-256: 84d994c9ca9b5ef406cb0cbd16402c282b50396e13120ada9f75f5d4c4d42292

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