Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a84ea6f1b018ca1…

MALICIOUS

PDF

35.2 KB Created: 2021-06-27 02:25:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: a105f7677c9aa1d279db8c09431d1934 SHA-1: 6f772ccb162c19b816fda0b6486f442797a350d2 SHA-256: 9a84ea6f1b018ca16b82de6d5105feec5658ee87d4b9e6ab35bb390ed20ef2fc
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/roblox-adidas-shirt-free-game-hack PDF link annotation
    • https://elearning.mtsn2kotamobagu.sch.id/__statics/gudangsoal/files/braddzy-roblox-jailbreak-hack_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamobagu.sch.id/__statics/gudangsoal/files/flame-gg-website-hack-not-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamobagu.sch.id/__statics/gudangsoal/files/roblox-how-to-get-free-vc-with-cheat-engine_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamobagu.sch.id/__statics/gudangsoal/files/roblox-hack-download_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamobagu.sch.id/__statics/gudangsoal/files/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2kotamobagu.sch.id/__statics/gudangsoal/files/speed-cheat-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamobagu.sch.id/__statics/gudangsoal/files/free-roblox-accocunt_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamobagu.sch.id/__statics/gudangsoal/files/how-to-use-a-script-hack-in-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamobagu.sch.id/__statics/gudangsoal/files/minecraft-free-download-windows-10_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn2kotamobagu.sch.id/__statics/gudangsoal/files/roblox-hack-and-cheats-robux-generator_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamobagu.sch.id/__statics/gudangsoal/files/free-minecraft-mods_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn2kotamobagu.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamobagu.sch.id/__statics/gudangsoal/files/tiktok-viewer-free_GM835599320.pdfIn PDF document text
    • https://elearning.mtsn2kotamobagu.sch.id/__statics/gudangsoal/files/how-do-hack-your-money-on-roblox-ultimate-driving_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamobagu.sch.id/__statics/gudangsoal/files/course-obstacle-2021-roblox-cheat-code_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamobagu.sch.id/__statics/gudangsoal/files/cheat-roblox-dragon-ball-rage_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamobagu.sch.id/__statics/gudangsoal/files/money-hack-roblox-vehicle-simulator_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamobagu.sch.id/__statics/gudangsoal/files/roblox-how-to-get-free-robux-using-inspect-element_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamobagu.sch.id/__statics/gudangsoal/files/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamobagu.sch.id/__statics/gudangsoal/files/avatar-roblox-skin-free_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_off00003204.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3204 22504 bytes
SHA-256: 9330c2b73d97fbc209e195b436ef1cd2f5fe6de626c438a1d3838b836075354c
font_01_sfnt_off00006425.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6425 19216 bytes
SHA-256: 093696e2f89be57488af52ed70f29d6474cfc5a255ed84c2f23deb66947d1a3e

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