Malicious PDF — malware analysis report

Static analysis result for SHA-256 714b136c0f890258…

MALICIOUS

PDF

30.8 KB Created: 2021-07-18 23:44:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 920dfcb504cd382f8caf75ff415c608f SHA-1: 7ca5ce796dc5d2e85f70d8edc1fc2580eb271ff4 SHA-256: 714b136c0f890258d1669595b24889084c3682ae80dc3a5b1f2fdc2f061b1a98
160 Risk Score

Malware Insights

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

The PDF contains multiple links to known malicious redirectors, specifically promoting 'game hacks' and 'free generators' to entice clicks. The document body includes phrases like 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', reinforcing the lure. While no scripts were directly extracted, the PDF structure and embedded URLs strongly suggest a phishing or redirection attack aimed at delivering a secondary payload or leading users to a compromised site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9157

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 http://netcdn.tw/app/479516143/mine-minecraft-games-for-free-game-hack In PDF document text
    • http://possumholler.us/images/minecraft-pe-hacks_GM479516143.pdfIn PDF document text
    • http://possumholler.us/images/coin-master-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://possumholler.us/images/how-to-get-minecraft-bedrock-edition-for-free_GM479516143.pdfIn 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_off000023d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x23D5 23076 bytes
SHA-256: 47458e73fdbacc2084a0cbdf7f11f67f7f5f5ab660786a97e00d40c0e997fa7a
font_01_sfnt_off000057ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x57AB 17968 bytes
SHA-256: cadb606d3d0b8b0ab684217e51fa9c6d47dd4cc69c3dac55631094b48cac1516

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