Malicious PDF — malware analysis report

Static analysis result for SHA-256 6060ab10a864d7ba…

MALICIOUS

PDF

48.9 KB Created: 2021-06-11 04:25:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 5a07a495aab822c12afef9c2d0e2470c SHA-1: 54e2595bcea35736bc9a7edd50eeb133552653a4 SHA-256: 6060ab10a864d7ba015a068631d705c7cd0b188ebdee7f06b282ae702399af50
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. The link leads to content related to game hacks and generators, suggesting a lure to trick users into visiting potentially harmful websites. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, but the embedded URL is the primary indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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 https://netcdn.tw/app/431946152/one-piece-millenium-tutorial-roblox-get-free-evil-fruit-game-hack In PDF document text
    • https://e-learning-mtsn1pati.sch.id/__statics/gudangsoal/files/minecraft-free-install_GM479516143.pdfIn PDF document text
    • https://e-learning-mtsn1pati.sch.id/__statics/gudangsoal/files/free-tiktok-likes-no-human-verification-or-download_GM835599320.pdfIn PDF document text
    • https://e-learning-mtsn1pati.sch.id/__statics/gudangsoal/files/minecraft-texture-packs-free-download_GM479516143.pdfIn PDF document text
    • https://e-learning-mtsn1pati.sch.id/__statics/gudangsoal/files/roblox-hack-generator_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsn1pati.sch.id/__statics/gudangsoal/files/free-tiktok-video_GM835599320.pdfIn PDF document text
    • https://e-learning-mtsn1pati.sch.id/__statics/gudangsoal/files/free-robux-no-hack-no-survey-no-human-verification_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsn1pati.sch.id/__statics/gudangsoal/files/minecraft-free-download-windows-10_GM479516143.pdfIn PDF document text
    • https://e-learning-mtsn1pati.sch.id/__statics/gudangsoal/files/free-tiktok-fans-and-likes_GM835599320.pdfIn PDF document text
    • https://e-learning-mtsn1pati.sch.id/__statics/gudangsoal/files/minecraft-bedrock-edition-download-pc-free_GM479516143.pdfIn PDF document text
    • https://e-learning-mtsn1pati.sch.id/__statics/gudangsoal/files/free-robux-no-survey-or-human-verification_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsn1pati.sch.id/__statics/gudangsoal/files/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
    • https://e-learning-mtsn1pati.sch.id/__statics/gudangsoal/files/free-robux-instantly_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsn1pati.sch.id/__statics/gudangsoal/files/minecraft-mobile-free_GM479516143.pdfIn PDF document text
    • https://e-learning-mtsn1pati.sch.id/__statics/gudangsoal/files/jjsploit-roblox-hack_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsn1pati.sch.id/__statics/gudangsoal/files/roblox-free-games-folder_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsn1pati.sch.id/__statics/gudangsoal/files/prison-life-roblox-cheat-2021_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsn1pati.sch.id/__statics/gudangsoal/files/free-tiktok-followers-without-verification_GM835599320.pdfIn PDF document text
    • https://e-learning-mtsn1pati.sch.id/__statics/gudangsoal/files/free-items-from-roblox_GM431946152.pdfIn PDF document text
    • https://e-learning-mtsn1pati.sch.id/__statics/gudangsoal/files/free-minecraft-survival-server_GM479516143.pdfIn PDF document text
    • https://e-learning-mtsn1pati.sch.id/__statics/gudangsoal/files/free-minecraft-premium-account_GM479516143.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
stream_004_off00005092.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5092 27840 bytes
SHA-256: 6a7ba10a7dbff7c62941da7e5970c9c4c0781af2f919daade109a8a2c429ea02
font_01_sfnt_off00008f7c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F7C 2928 bytes
SHA-256: cd40e6badb83d1c1ace9345067f3eaa9b99c9feb18d2ff549fd7d234992b27b1
font_02_sfnt_off0000999d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x999D 19264 bytes
SHA-256: 47880f2a19748a12d7a0ae42f15417d7055510b5881b092eb5eaeafdf9774d12