Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3dccc9635d26238…

MALICIOUS

PDF

38.4 KB Created: 2021-05-15 00:14:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 04f48ba04fd443ec34447ff899394b2f SHA-1: 7b69dae9516ee21626c9cb011c2047950194a5a7 SHA-256: e3dccc9635d262382f238217301a91d3a6252246e05a089d6462c217421ea93b
130 Risk Score

Malware Insights

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

The PDF document contains embedded links that mimic a download button, specifically for a "Coin Master Hack". These links redirect to a known malicious URL, indicating a phishing or scam attempt. The document's content and the presence of malicious redirector links strongly suggest a social engineering attack aimed at tricking users into visiting a compromised site.

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/406889139/coin-master-hack-without-verification-code-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_off0000327c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x327C 29836 bytes
SHA-256: 0b7794f57491352aa89c37086834127b88424a09e53fbec9b9fc2f96cf987b12
font_01_sfnt_off00007413.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7413 18528 bytes
SHA-256: 73698aa0d04f612b8edcfc98417ef0f8be184b3e572c91f5f0109cbf791ef469

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