Malicious PDF — malware analysis report

Static analysis result for SHA-256 bac344a9f4754407…

MALICIOUS

PDF

39.5 KB Created: 2021-05-16 16:04:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 474a288c9ed812e3f4cfc95c94aa0a67 SHA-1: 8d705f1f42f30a9836c2df33d83a76ad955e158d SHA-256: bac344a9f4754407104a8f9228c6697d05634f2bb79888742b00c74256ad2876
130 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating it links to a malicious redirector disguised as a 'free generator / game hack'. The embedded URL, https://netcdn.xyz/app/479516143/minecraft-mod-updater-game-hack, is associated with malicious redirector infrastructure. The document body, though partially truncated and containing obfuscated text, suggests a lure related to Minecraft mods and includes the malicious URL, reinforcing the phishing attempt.

Machine Learning

  • Nyx PDF Classifier clean score 0.0334

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-mod-updater-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00003683.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3683 29704 bytes
SHA-256: d7b3ef2f1e81700a8554933c6862e0ea73f1b09094f26724c58ad898886b45e2
font_01_sfnt_off00007952.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7952 18244 bytes
SHA-256: d5b3e01345ae806e3fb9929e05062337cbc27f38a62a69179378268a2260776d

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