Malicious PDF — malware analysis report

Static analysis result for SHA-256 dab067036ebb9fa7…

MALICIOUS

PDF

39.3 KB Created: 2021-05-20 13:00:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 78fdb1ab1fee4d164c199efd116e8362 SHA-1: a9ac7fa8415c63e6f0ec087f12e5edc114244e1a SHA-256: dab067036ebb9fa7d2967650159fd6df7767ec1427d9c94b47904883b89c2ebd
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links that redirect to malicious infrastructure, specifically advertising free game hacks and generators. The heuristic PDF_GAME_HACK_REDIRECT_LURE directly identifies this lure. While no scripts were extracted, the embedded links and the nature of the lure suggest an attempt to drive the user to a malicious site, likely for further exploitation or malware delivery.

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/do-you-get-minecraft-windows-10-for-free-game-hack In PDF document text
    • http://www.pustaka.pn-calang.go.id/repository/60-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.pustaka.pn-calang.go.id/repository/free-coin-master-coins_GM406889139.pdfIn PDF document text
    • http://www.pustaka.pn-calang.go.id/repository/coin-master-free-spins-1701-20_GM406889139.pdfIn PDF document text
    • http://www.pustaka.pn-calang.go.id/repository/create-minecraft-server-free_GM479516143.pdfIn PDF document text
    • http://www.pustaka.pn-calang.go.id/repository/best-minecraft-hacked-client_GM479516143.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_off0000347a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x347A 24476 bytes
SHA-256: 63ff518b714a835d2a3fdb64a74eda9c888677710203a7ba771e8809e7afef47
font_01_sfnt_off00006c42.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C42 2820 bytes
SHA-256: 972979c3a46100cf5f8fd289bc6fbd2496ff75fec0e3f6753648c72ec6eba714
font_02_sfnt_off000075e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75E1 18996 bytes
SHA-256: 6efb8ecb4dc6f7e27f52b3317fae0c9f285348f122a83a6c92def46bb9593e98

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