Malicious PDF — malware analysis report

Static analysis result for SHA-256 074158a4df3d0d5b…

MALICIOUS

PDF

35.9 KB Created: 2021-05-10 11:31:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 01f1b703eb907497f2827f75b6c60057 SHA-1: c6c5b0afb92ba497df31aed132cf3200a36934d7 SHA-256: 074158a4df3d0d5b18a8d32a86ae5c4d51293c0eb1dbd33f16d62d1a13aa8c5c
170 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF document contains a lure for a 'game hack generator' which redirects to a known malicious infrastructure. It also instructs the user to copy and paste content into a command-line context, indicating an attempt to trick the user into executing arbitrary commands. The primary IOC is the malicious redirector URL.

Machine Learning

  • Nyx PDF Classifier clean score 0.0265

Heuristics 5

  • 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.
  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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-ios-mods-game-hack In 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_003_off000033ce.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x33CE 24916 bytes
SHA-256: d7b3f6fcdfbd4e3eb8f1f4051fab23efc449066b239846f3e4ec60fc3146b078
font_01_sfnt_off00006c58.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C58 17884 bytes
SHA-256: 69b1a480a514f825ff414667447eb1606ecae76b686202ffdf0553eb000475e9

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