Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ba69e8a607434b2…

MALICIOUS

PDF

47.2 KB Created: 2021-06-02 12:54:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 38831a74421ff66ae491d1284222972f SHA-1: 1523040761ce2b4ecf8d12ca0125c0fd43603938 SHA-256: 8ba69e8a607434b2c69893ff9e8f595108f241cdac8966e79a515da1e0bb4a46
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains embedded links that redirect to known malicious infrastructure, specifically promoting game hacks and generators. The document body and heuristics indicate a lure designed to trick users into clicking these links, likely leading to further malicious content or downloads. While no scripts were directly extracted, the PDF structure and embedded URLs strongly suggest an attempt to exploit users through deceptive content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9832

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/431946152/robux-generator-free-download-no-survey-game-hack In PDF document text
    • http://androidthai.in.th/images/free-robux-mobile_GM431946152.pdfIn PDF document text
    • http://androidthai.in.th/images/coin-master-game-hack_GM406889139.pdfIn PDF document text
    • http://androidthai.in.th/images/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
    • http://androidthai.in.th/images/how-do-i-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://androidthai.in.th/images/coin-master-free-spins-and-coins-hack_GM406889139.pdfIn PDF document text
    • http://androidthai.in.th/images/bloxpink-free-robux_GM431946152.pdfIn PDF document text
    • http://androidthai.in.th/images/free-spin-link-coin-master_GM406889139.pdfIn PDF document text
    • http://androidthai.in.th/images/how-do-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://androidthai.in.th/images/cute-free-roblox-clothes_GM431946152.pdfIn PDF document text
    • http://androidthai.in.th/images/coin-master-free-spin-link-new_GM406889139.pdfIn PDF document text
    • http://androidthai.in.th/images/real-hack-for-coin-master_GM406889139.pdfIn PDF document text
    • http://androidthai.in.th/images/get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://androidthai.in.th/images/coin-master-hack-tool-v1-9-download-free-pc_GM406889139.pdfIn PDF document text
    • http://androidthai.in.th/images/haktuts-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://androidthai.in.th/images/coin-master-free-gifts_GM406889139.pdfIn PDF document text
    • http://androidthai.in.th/images/free-roblox-accounts-with-robux-2021_GM431946152.pdfIn PDF document text
    • http://androidthai.in.th/images/is-it-possible-to-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://androidthai.in.th/images/how-to-get-minecraft-coins-for-free_GM479516143.pdfIn PDF document text
    • http://androidthai.in.th/images/haktutsin-2021-09-coinmaster50freespinandcoinlinkhtml-m-1_GM406889139.pdfIn PDF document text
    • http://androidthai.in.th/images/free-robux-by-watching-ads_GM431946152.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_004_off0000517c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x517C 28832 bytes
SHA-256: ea34fdf9fd895091d44829a8cf89d0e8a0d842f7aab3e2090ef31a1eaf98b837
font_01_sfnt_off0000932f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x932F 19220 bytes
SHA-256: 16059e92abe46ebbaf8564e6416178ddcf1adac473b2f24aba3de6668f1dc023

Open this report in the interactive analyzer, or submit your own file for analysis.