Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dc9293c79cc3878…

MALICIOUS

PDF

29.9 KB Created: 2021-07-22 23:41:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 1660661b5a020a9608c6787d4947e56f SHA-1: 1c77288b4732d350cccc3d5bad2abd2eb704bdd8 SHA-256: 3dc9293c79cc3878231fa3628be2bcfcf9df02ce6cb939f77cd1d05249320c94
138 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to a known malicious infrastructure, specifically advertising a 'free generator / game hack' for Minecraft. The document body also contains phrases like 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', indicating a lure to trick users into clicking the malicious link. The presence of these elements suggests the document is designed to lead users to a potentially harmful website, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier clean score 0.0560

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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 http://netcdn.tw/app/479516143/minecraft-marketplace-free-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
font_00_sfnt_off00002327.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2327 22208 bytes
SHA-256: 77768d103ed3339d2de6cd72da23bc02c4fc09559ca1cc5294406789476d141a
font_01_sfnt_off00005442.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5442 17988 bytes
SHA-256: b1962b8150a92058b1af596ee40f39d874ebba3a387c6f99a175120b94cdb42e

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