Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a92000c9a73d7a5…

MALICIOUS

PDF

35.5 KB Created: 2021-05-21 15:40:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d1a99fd9afff36bc746e5612fc18f2b2 SHA-1: 7e9decda39a6abf06c3b164baa8d45b82a31dce0 SHA-256: 7a92000c9a73d7a5e9c3152fb7a26978dda3a20c356b3e5b0db0e8567f854925
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to external websites, one of which is identified as a malicious redirector for 'game hacks'. The document body explicitly mentions 'How To Get Minecraft For Free On Computer' and includes a call to action to access a generator, indicating a lure for potentially unwanted software or further malicious content. The presence of embedded URLs and the ML classifier's high confidence score support this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9508

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/how-to-get-minecraft-for-free-on-computer-game-hack In PDF document text
    • https://learning.man6-jkt.sch.id/__statics/gudangsoal/files/how-to-hack-to-get-robux_GM431946152.pdfIn PDF document text
    • https://learning.man6-jkt.sch.id/__statics/gudangsoal/files/tiktok-free-beer-for-a-year_GM835599320.pdfIn PDF document text
    • https://learning.man6-jkt.sch.id/__statics/gudangsoal/files/pubg-uc-2021-online_GM1330123889.pdfIn PDF document text
    • https://learning.man6-jkt.sch.id/__statics/gudangsoal/files/free-limiteds-roblox_GM431946152.pdfIn PDF document text
    • https://learning.man6-jkt.sch.id/__statics/gudangsoal/files/coin-master-free-coins_GM406889139.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
stream_002_off00003345.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3345 24044 bytes
SHA-256: d6c8ad6ebc2e0557cd3127bf376468b2c5a88fef6c9b92e0d811c9754c8c1c98
font_01_sfnt_off00006911.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6911 18452 bytes
SHA-256: fce6c86cc1ad63ab9ce068c6620c453958f48a84b612bdc7216287e66eae0497

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