Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a74dfe699b37ed6…

MALICIOUS

PDF

34.7 KB Created: 2021-06-18 16:41:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: df9bc43341dcc4f0512395f0479c1b45 SHA-1: 93c538b401e9b32b59f3a713b6ac2c96720ac2db SHA-256: 7a74dfe699b37ed67270ad2302a582549301120bf7da7fb5f9d558fcfbb7e395
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that redirect to malicious infrastructure, specifically promoting "game hacks" and "generators". The heuristic firings confirm these links lead to known malicious redirectors and a lure for game-related exploits. While no scripts were explicitly extracted, the nature of the embedded links and the document's content suggest an attempt to trick the user into downloading or executing further malicious content, likely through a drive-by download or a fake download page.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/hack-any-tycoon-roblox-win10-game-hack In PDF document text
    • https://javisintlmedia.com/images/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://javisintlmedia.com/images/free-roblox-executor-no-crash-good-api-no-key_GM431946152.pdfIn PDF document text
    • https://javisintlmedia.com/images/free-robux-websites-no-human-verification_GM431946152.pdfIn PDF document text
    • https://javisintlmedia.com/images/get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://javisintlmedia.com/images/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • https://javisintlmedia.com/images/roblox-hack-tool-robux-and-tix-no-download_GM431946152.pdfIn PDF document text
    • https://javisintlmedia.com/images/roblox-apk-hack_GM431946152.pdfIn PDF document text
    • https://javisintlmedia.com/images/give-me-free-robux_GM431946152.pdfIn PDF document text
    • https://javisintlmedia.com/images/coin-master-rewards_GM406889139.pdfIn PDF document text
    • https://javisintlmedia.com/images/roblox-free-shirts-copy-2021_GM431946152.pdfIn PDF document text
    • https://javisintlmedia.com/images/free-robux-2021_GM431946152.pdfIn PDF document text
    • https://javisintlmedia.com/images/free-roblox-commands_GM431946152.pdfIn PDF document text
    • https://javisintlmedia.com/images/minecraft-java-code-free_GM479516143.pdfIn PDF document text
    • https://javisintlmedia.com/images/how-to-hack-in-roblox-prison-life_GM431946152.pdfIn PDF document text
    • https://javisintlmedia.com/images/free-roblox-hack_GM431946152.pdfIn PDF document text
    • https://javisintlmedia.com/images/roblox-free-items-glitch_GM431946152.pdfIn PDF document text
    • https://javisintlmedia.com/images/kuso-icu-roblox-hack_GM431946152.pdfIn PDF document text
    • https://javisintlmedia.com/images/minecraft-free-download-no-virus_GM479516143.pdfIn PDF document text
    • https://javisintlmedia.com/images/hack-roblox-computer_GM431946152.pdfIn PDF document text
    • https://javisintlmedia.com/images/cheating-hacks-for-coin-master_GM406889139.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
font_00_sfnt_off00003002.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3002 22524 bytes
SHA-256: e670eaac59d5487f3fa7674aa94c4501c424fe0fb97d852b4f33a351caaa73cc
font_01_sfnt_off000061b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61B6 19248 bytes
SHA-256: ff1267d659c5a4b065b5e770bd021c672f6a026ae9ac18e7ede61a52a57d17aa

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