Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae745541c04f5c78…

MALICIOUS

PDF

44.8 KB Created: 2021-05-15 10:05:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: ba1757af736e4d1eea46887dbd693982 SHA-1: 96d1bcb9e3b14b74622882ffaf8d729a17c42d49 SHA-256: ae745541c04f5c784fd78a4e659fe1ae3fe00d4a03d20610ca27d1dfa14f1395
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9632

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/how-to-hack-peoples-roblox-accounts-game-hack PDF link annotation
    • https://ambarevleri.com/images/free-spins-coin-master-2021-glitch_GM406889139.pdfIn PDF document text
    • https://ambarevleri.com/images/roblox-free-robux-website_GM431946152.pdfIn PDF document text
    • https://ambarevleri.com/images/coin-master-free-cards-link_GM406889139.pdfIn PDF document text
    • https://ambarevleri.com/images/free-robux-without-verification_GM431946152.pdfIn PDF document text
    • https://ambarevleri.com/images/free-robux-real-2021_GM431946152.pdfIn PDF document text
    • https://ambarevleri.com/images/how-to-get-free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • https://ambarevleri.com/images/free-robux-on-ipad_GM431946152.pdfIn PDF document text
    • https://ambarevleri.com/images/google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • https://ambarevleri.com/images/free-minecraft-server-maker_GM479516143.pdfIn PDF document text
    • https://ambarevleri.com/images/coin-master-spin-pattern_GM406889139.pdfIn PDF document text
    • https://ambarevleri.com/images/minecraft-pvp-hacks_GM479516143.pdfIn PDF document text
    • https://ambarevleri.com/images/roblox-verification_GM431946152.pdfIn PDF document text
    • https://ambarevleri.com/images/hack-coin-master-xyz_GM406889139.pdfIn PDF document text
    • https://ambarevleri.com/images/coin-master-how-to-get-japan-sushi-card-free_GM406889139.pdfIn PDF document text
    • https://ambarevleri.com/images/how-to-hack-coin-master-android_GM406889139.pdfIn PDF document text
    • https://ambarevleri.com/images/www-roblox-com-robux-free_GM431946152.pdfIn PDF document text
    • https://ambarevleri.com/images/robux-hack-free-robux_GM431946152.pdfIn PDF document text
    • https://ambarevleri.com/images/install-free-game-coin-master_GM406889139.pdfIn PDF document text
    • https://ambarevleri.com/images/how-to-get-free-cards-for-coin-master_GM406889139.pdfIn PDF document text
    • https://ambarevleri.com/images/how-do-u-hack-roblox_GM431946152.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
font_00_sfnt_off0000451b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x451B 25188 bytes
SHA-256: 906f57f3ba8882a851c7b055d7019900364e6be8031cc9261e315302d8f5c89e
font_01_sfnt_off00007dc2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DC2 5596 bytes
SHA-256: 9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5
font_02_sfnt_off00008a6a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A6A 18920 bytes
SHA-256: cd7407ef9aef6c4c50b1fdf01e763fd2e22944ade267215dee183f168e7b87f5

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