Malicious PDF — malware analysis report

Static analysis result for SHA-256 67acef596ad37af1…

MALICIOUS

PDF

42.6 KB Created: 2021-05-12 16:32:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0a87f84bb7ec78c7cd35061500af920b SHA-1: 16168c7ac4eb17f29fedb6a54c07651ad80d155c SHA-256: 67acef596ad37af15b3ea6bae784aceb495e6ea58733ff604d4ca86334f3885f
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link that redirects to known malicious infrastructure, masquerading as a game hack generator. The document body and embedded URLs suggest a lure for free game items or hacks, likely intended to lead users to a phishing or malware download site. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/google-how-do-you-get-free-robux-game-hack In PDF document text
    • http://apx-centre.ru/images/coin-master-hack-2021-without-verification_GM406889139.pdfIn PDF document text
    • http://apx-centre.ru/images/level-coin_GM406889139.pdfIn PDF document text
    • http://apx-centre.ru/images/girl-roblox-avatar_GM431946152.pdfIn PDF document text
    • http://apx-centre.ru/images/i-got-hacked-on-roblox_GM431946152.pdfIn PDF document text
    • http://apx-centre.ru/images/minecraft-pe-free-apk_GM479516143.pdfIn PDF document text
    • http://apx-centre.ru/images/daily-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://apx-centre.ru/images/free-spins-coin-master-site-wwwquoracom_GM406889139.pdfIn PDF document text
    • http://apx-centre.ru/images/free-spin-and-win-coin-master_GM406889139.pdfIn PDF document text
    • http://apx-centre.ru/images/free-minecraft-alts_GM479516143.pdfIn PDF document text
    • http://apx-centre.ru/images/minecraft-servers-that-allow-hacks_GM479516143.pdfIn PDF document text
    • http://apx-centre.ru/images/how-to-get-free-coins-and-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://apx-centre.ru/images/coin-master-free-coin-hack_GM406889139.pdfIn PDF document text
    • http://apx-centre.ru/images/app-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://apx-centre.ru/images/hack-de-coin-master_GM406889139.pdfIn PDF document text
    • http://apx-centre.ru/images/coin-master-coins-free_GM406889139.pdfIn PDF document text
    • http://apx-centre.ru/images/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • http://apx-centre.ru/images/roblox-verification_GM431946152.pdfIn PDF document text
    • http://apx-centre.ru/images/roblox-inappropriate_GM431946152.pdfIn PDF document text
    • http://apx-centre.ru/images/sites-for-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://apx-centre.ru/images/free-robux-gift-card_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_003_off000049a1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49A1 24604 bytes
SHA-256: a05af806d5997f356d9dfdf01a5868f2cd4272883fa6d8b238add3efebdb34f5
font_01_sfnt_off00008226.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8226 18972 bytes
SHA-256: 7e42234451cc840f7005e057c881a5adaeb6eb05dfbb8a23217c49a1ae6b06df