Malicious PDF — malware analysis report

Static analysis result for SHA-256 b109f09db3e04696…

MALICIOUS

PDF

34.5 KB Created: 2021-06-18 11:00:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-22
MD5: ec05889b9af2dcb8244a78311629a0e3 SHA-1: ce90e372ca0c173afda45d3bcfaafee570495220 SHA-256: b109f09db3e046968c59dc5e287db58d510f208d1896a265a75b3b2c74d88615
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links and text referencing game hacks and free generators, specifically for Roblox. The primary link, http://netcdn.co/app/431946152/injector-hack-roblox-game-hack, is identified as a malicious redirector. This suggests the document is designed to trick users into visiting malicious sites, likely to download further malware or engage in credential harvesting.

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/injector-hack-roblox-game-hack In PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/how-to-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/how-to-get-500-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/roblox-robux-hack-2021-equilibrium_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/how-to-speed-hack-on-roblox-kick-off_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/hack-para-atravesar-paredes-en-roblox-2021_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/bitcoin-mining-simulator-roblox-hacks_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/roblox-trade-hangout-hack_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/free-robux-profe_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/cheat-engine-63-roblox-hacks_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/deadzone-roblox-hack_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/cheats-max-com-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/event-boku-no-roblox-remastered-free_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/free-download-roblox-pc_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/roblox-free-robux-generator-no-survey_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/how-to-get-robux-hack-without-human-verification_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/roblox-case-clicker-hack-script_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/free-visual-studio-roblox-exploit-template_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/growtrooperz-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.man2kotatangerang.sch.id/__statics/gudangsoal/files/roblox-hacked-accounts-list-2021_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_off000031e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31E2 21984 bytes
SHA-256: e54e2769dcf626f64e471cd1405860c1cf40356352b81757e449948726a34af6
font_01_sfnt_off00006253.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6253 18760 bytes
SHA-256: 36b569002fa8c16d032c185b36d87af6d915ffb9b2e5f892094b02fd8042b1aa

Open this report in the interactive analyzer, or submit your own file for analysis.