Malicious PDF — malware analysis report

Static analysis result for SHA-256 14ff3bc67f73ea49…

MALICIOUS

PDF

35.8 KB Created: 2021-05-23 08:25:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c5a80944e4a18857a0e984b5ac4a1db8 SHA-1: 4f99e9bcee1c498fe9a971023d7dfbb2014cb5b4 SHA-256: 14ff3bc67f73ea49ad247b4297daafd1ddb7af8a3b06b12829ab4616a377ae46
160 Risk Score

Malware Insights

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

The PDF contains multiple links to known malicious redirectors and infrastructure, masquerading as game hacks and cheats. The document body explicitly contains a call to action 'CLICK HERE TO ACCESS MINECRAFT GENERATOR' and directs users to a URL that is flagged as malicious. The ML classifier also strongly indicated maliciousness.

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/is-minecraft-free-game-hack In PDF document text
    • https://tckontrola.hr/files/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • https://tckontrola.hr/files/free-robux-codes_GM431946152.pdfIn PDF document text
    • https://tckontrola.hr/files/free-robux-not-a-scam_GM431946152.pdfIn PDF document text
    • http://tckontrola.hr/files/robux-free-c_GM431946152.pdfIn PDF document text
    • http://tckontrola.hr/files/coin-master-apk-mod-free-download_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_off0000325c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x325C 25360 bytes
SHA-256: 5a5c4ad49d6de01c4b4eb8fc133274ae68c2b1b7b63f76bbef6735cd68a4d0c2
font_01_sfnt_off00006cba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CBA 17568 bytes
SHA-256: 44c16732000c578f47393ad484896351af84166fbd5efffd5af9fb6697599acb

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