Malicious PDF — malware analysis report

Static analysis result for SHA-256 0335e02cf77d404b…

MALICIOUS

PDF

38.6 KB Created: 2021-05-19 23:36:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9fb8e978c969ddcdd6f37d9127e6f9b5 SHA-1: 5a5cf611e28002790ac189600fc63d0d7e7c8f87 SHA-256: 0335e02cf77d404b7442fac04094156a9fd8ee00b92001818d4c918ddd1c0168
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one pointing to a known malicious redirector infrastructure. The document body and embedded links suggest a lure for free game hacks or generators, a common social engineering tactic. The primary malicious URL is https://netcdn.xyz/app/1094591345/pokemon-go-x-free-download-game-hack, which is likely used to redirect users to further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 3

  • 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.
  • 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/1094591345/pokemon-go-x-free-download-game-hack In PDF document text
    • http://grupodin.com.br/images/free-appsfor-coin-master-daily-rewards_GM406889139.pdfIn PDF document text
    • http://grupodin.com.br/images/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
    • http://grupodin.com.br/images/how-to-download-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
    • http://grupodin.com.br/images/free-robux-instantly_GM431946152.pdfIn PDF document text
    • http://grupodin.com.br/images/roblox-hack-apk_GM431946152.pdfIn PDF document text
    • http://grupodin.com.br/images/roblox-free-robux-website_GM431946152.pdfIn PDF document text
    • http://grupodin.com.br/images/what-is-coin-master-app_GM406889139.pdfIn PDF document text
    • http://grupodin.com.br/images/i-need-more-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://grupodin.com.br/images/free-roblox-intros_GM431946152.pdfIn PDF document text
    • http://grupodin.com.br/images/free-roblox-accounts-with-robux-that-work-not-banned-2021_GM431946152.pdfIn PDF document text
    • http://grupodin.com.br/images/free-private-minecraft-server_GM479516143.pdfIn PDF document text
    • http://grupodin.com.br/images/get-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
    • http://grupodin.com.br/images/spin-link-coin-master_GM406889139.pdfIn PDF document text
    • http://grupodin.com.br/images/free-coins-on-coin-master-without-verification_GM406889139.pdfIn PDF document text
    • http://grupodin.com.br/images/get-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://grupodin.com.br/images/how-to-hack-to-get-robux_GM431946152.pdfIn PDF document text
    • http://grupodin.com.br/images/how-to-make-free-robux_GM431946152.pdfIn PDF document text
    • http://grupodin.com.br/images/i-want-free-robux_GM431946152.pdfIn PDF document text
    • http://grupodin.com.br/images/coin-master-hack-online-no-human-verification_GM406889139.pdfIn PDF document text
    • http://grupodin.com.br/images/girl-roblox-avatar_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000048db.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48DB 24200 bytes
SHA-256: 474051b7c9264b4359f430d9702de60b90d85cc99bf55f100dc9e5249c9f749c

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