Malicious PDF — malware analysis report

Static analysis result for SHA-256 2bfb3b62a36d96e2…

MALICIOUS

PDF

38.2 KB Created: 2021-05-13 04:14:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 7e04ebec6fe125d05c0e2b9420e26548 SHA-1: a188b6ac2efe6d053f56adfa1fc128bf667d59f7 SHA-256: 2bfb3b62a36d96e29b94e548a485043d08b6b6ab70559ed01882e8127e135bb8
130 Risk Score

Malware Insights

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

The PDF document contains a critical heuristic firing for a malicious redirector link, specifically pointing to a 'free generator / game hack' lure. The embedded URL, https://netcdn.xyz/app/479516143/minecraft-pe-apk-game-hack, is associated with malicious infrastructure. The document body also contains a call-to-action phrase, reinforcing the lure. While no scripts were explicitly extracted, the nature of the PDF and the redirector link suggest an attempt to deliver a malicious payload, likely through exploitation or a secondary download.

Machine Learning

  • Nyx PDF Classifier clean score 0.0126

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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000031ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31EC 24784 bytes
SHA-256: d119aa7cf31e87362c94980edc732dff0ede013c68797d71685d4fddc37b5643
font_01_sfnt_off00006a64.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A64 2948 bytes
SHA-256: b2ac877be83f2953feeec593f8eda6513d25c1173a568f29eb5ffd3bbbfb6e80
font_02_sfnt_off00007493.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7493 18068 bytes
SHA-256: 5fbed8632119c253af4b9ab7dc246da20067eac7641579129df9e72f6a1f5ea4

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