Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0154f43f5598ad7…

MALICIOUS

PDF

38.4 KB Created: 2021-05-13 00:00:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 197dcfde3c4fd52f2749714914703134 SHA-1: e9d6fd7ddd9a7eb223ed8ca1b003d4f1742d0d87 SHA-256: b0154f43f5598ad7ab71888674b3534dff4a65fde4c2ac0d3fb3bac682211bbe
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains heuristics indicating it's a lure for game hacks and links to known malicious redirector infrastructure. The document body, though partially garbled, contains text related to 'Minecraft Fly Hack' and a call to action, reinforcing the lure. The embedded URL points to a malicious redirector, likely intended to lead the user to a further stage of infection or phishing.

Machine Learning

  • Nyx PDF Classifier clean score 0.0127

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-fly-hack-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
stream_003_off0000335f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x335F 24380 bytes
SHA-256: 6baf60e38a1e37c55bfc6ac8b2f0d7a2b4e1d0ef84150694ae60538e276efbc4
font_01_sfnt_off00006b40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B40 3056 bytes
SHA-256: dd24a0ab94df4552e459bd06fd01b0fd3f021c1d51d1d64407070e735974a028
font_02_sfnt_off000075b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75B2 17992 bytes
SHA-256: 06651707645ad1f4ebda8b3f746ca430a0b9618d46277a77061ba05985c34688

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