Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c0ed868e5506370…

MALICIOUS

PDF

34.5 KB Created: 2021-07-08 10:25:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-24
MD5: 95440acd5fd85ce23ab2fa691dbff3ac SHA-1: 096840eb846c1ed3d0f84e21700b65e7c2e17141 SHA-256: 0c0ed868e550637071f30385606c705f44eb6e86ae19174f38a63ce20a5753a6
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links designed to lure users into clicking on what appear to be game-related hacks or generators. These links redirect to known malicious infrastructure, indicating a phishing or scam attempt. The document body and heuristics confirm the presence of these lures and malicious redirectors, suggesting the primary goal is to drive traffic to potentially harmful sites.

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.tw/app/431946152/roblox-land-free-robux-game-hack In PDF document text
    • http://baxtton.com/sites/default/files/files/free-roblox-characters_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/daily-coin-master-free-spin-apk_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/hackear-cuentas-de-roblox-gratuitas_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/free-robux-generator-no-human-verification-no-download-no-survey_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/robux-hack-facile_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/haktuts-coin-master-today_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/roblox-speed-hack_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/coin-master-spin-hack-apk_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/coin-master-free-spins-link-today-2021_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/free-private-minecraft-server_GM479516143.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/free-robux-without-verify_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/games-that-give-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/coin-master-rewards-2021_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/roblox-free-models_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/aimbot-hack-roblox-rb-world-2_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/roblox-bear-face-mask-free_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/coin-master-hack-no-human-verification_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/roblox-hack-download_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_off00002fea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FEA 22412 bytes
SHA-256: 2af8c1ca78447e87143c8f690311fded8922f1dd607f3e90b4cd772bc2501633
font_01_sfnt_off000061d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61D7 18964 bytes
SHA-256: 1fa119217ccc78f30bdc9129f012f8aa478324cb6e64aa60088b644191aaf69a

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