Malicious PDF — malware analysis report

Static analysis result for SHA-256 7465c8ca68de764c…

MALICIOUS

PDF

38.9 KB Created: 2021-05-23 22:22:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a5d37d8f5a52d568209815750f05f35d SHA-1: 0ccdcbd4977c6907cd3760d09ed1ff93502ab4f9 SHA-256: 7465c8ca68de764ca91c4fb1359bfce40d845f0d7fc8db4dc748eec9854ef220
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors and lures users with promises of free game hacks, such as Minecraft generators. The document body explicitly mentions 'Minecraft Java Edition Free' and 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', reinforcing the lure. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a phishing or redirection attack aimed at driving users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

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-java-edition-free-game-hack In PDF document text
    • http://arcnjournals.org/images/how-to-buy-robux-for-free_GM431946152.pdfIn PDF document text
    • http://arcnjournals.org/images/how-to-get-more-robux-for-free_GM431946152.pdfIn PDF document text
    • http://arcnjournals.org/images/youtube-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://arcnjournals.org/images/tiktok-free-iphone_GM835599320.pdfIn PDF document text
    • http://arcnjournals.org/images/pokemon-go-free-quagsire_GM1094591345.pdfIn 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_002_off000035ae.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x35AE 24104 bytes
SHA-256: a5452a0dad3c19bd513bbfaf7b54a7eecf3326d4f621f9399ccce0f075881d67
font_01_sfnt_off00006cbb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CBB 2940 bytes
SHA-256: eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a
font_02_sfnt_off000076ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76CA 18164 bytes
SHA-256: e28d0ded599416f75746d42b4ddd49ac4ed584cd54835945167b34c6d366202b

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