Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ea41702f9e39d2a…

MALICIOUS

PDF

29.3 KB Created: 2021-07-03 13:13:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-12
MD5: aa48f0d152237635813df3fc93cf99ac SHA-1: 6e88d83e046b53fc3ab20a87e90b13fa2f73a4a6 SHA-256: 0ea41702f9e39d2a4596ddea687692904fc4a0f8436f7abaeeb1547cf638b229
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to known malicious infrastructure, disguised as "free generator" or "game hack" lures. The primary redirector URL is http://netcdn.tw/app/479516143/how-to-make-your-own-minecraft-server-for-free-game-hack. No scripts were extracted, but the embedded links strongly indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

Heuristics 3

  • 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.
  • 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/479516143/how-to-make-your-own-minecraft-server-for-free-game-hack In PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-robux-glitch-2021_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/cheat-engine-no-longer-works-on-roblox_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/rblx-city-free-robux_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/minecraft-toys-for-free_GM479516143.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-spins-coin-master-2021-glitch_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-crash-checked-cheat-engine_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/descargar-hack-para-roblox-2021_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/how-to-hack-to-get-robux-on-computer_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/how-to-get-free-1m-robux_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/funny-roblox-hacker-names_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-kohls-admin-house-hack-script_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-free-spins-hack-link_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-free-spain_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/robux-hack-me_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/how-to-get-free-robux-2021-july_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-ios-hack_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-spins-coin-master-october-13-2021_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-roblox-scrach-ins_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/apk-hack-roblox-pc_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000326e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x326E 22132 bytes
SHA-256: 9300b81ce15aedb566c016c05c5a1c574d724560478e38fbb16862537b3c366f

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