Malicious PDF — malware analysis report

Static analysis result for SHA-256 03c303a706968815…

MALICIOUS

PDF

34.1 KB Created: 2021-06-19 19:54:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-25
MD5: 253739f361c6928417e7b5fae4e744f2 SHA-1: 313a9eeef52776074ea0ad0998bf60f200e92b7e SHA-256: 03c303a7069688150d92192d9d55f9796321b8914574122e220ba3f677602108
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that redirect to known malicious infrastructure, masquerading as free game hacks or generators. The document body and heuristics indicate a lure designed to trick users into visiting these sites, likely for further exploitation or malware delivery. No scripts were extracted, but the PDF structure and embedded links strongly suggest a phishing or scam attempt.

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/free-shirt-roblox-boy-game-hack In PDF document text
    • http://pspmrsmbpj.com/opac/repository/play-roblox-for-free-on-google_GM431946152.pdfIn PDF document text
    • http://pspmrsmbpj.com/opac/repository/free-robux-co_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/free-roblox-gfx_GM431946152.pdfIn PDF document text
    • http://pspmrsmbpj.com/opac/repository/codes-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/minecraft-hacked-client-bedrock_GM479516143.pdfIn PDF document text
    • http://pspmrsmbpj.com/opac/repository/free-minecraft-account-list_GM479516143.pdfIn PDF document text
    • http://pspmrsmbpj.com/opac/repository/coin-master-spins-for-free_GM406889139.pdfIn PDF document text
    • http://pspmrsmbpj.com/opac/repository/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://pspmrsmbpj.com/opac/repository/roblox-mafia-cloth-free_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/obby-that-gives-you-free-robux_GM431946152.pdfIn PDF document text
    • http://pspmrsmbpj.com/opac/repository/how-to-get-free-robux-on-a-hp-laptop_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/robux-free-online_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/does-roblox-ever-give-out-free-robux_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://pspmrsmbpj.com/opac/repository/wahoo-gaming-co-free-robux_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/cheats-for-terminator-genysis-alpha-for-roblox_GM431946152.pdfIn PDF document text
    • http://pspmrsmbpj.com/opac/repository/coin-master-hack-2021-download_GM406889139.pdfIn PDF document text
    • http://pspmrsmbpj.com/opac/repository/free-robux-today_GM431946152.pdfIn PDF document text
    • http://pspmrsmbpj.com/opac/repository/free-robux-codes-download-2021_GM431946152.pdfIn PDF document text
    • http://pspmrsmbpj.com/opac/repository/roblox-game-free-download-for-windows-10_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
font_00_sfnt_off00002ddd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DDD 22420 bytes
SHA-256: 15bcd067bc3b4a422844a0793de6883e3fe108c1130ed8d3b3f1ba1ee938b615
font_01_sfnt_off00005fd9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FD9 19220 bytes
SHA-256: 7f78e72fc14ea6b4a0063700ee0bb909295ec2fc2b89b809e069d63f06d081d6

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