Malicious PDF — malware analysis report

Static analysis result for SHA-256 078cca64df605976…

MALICIOUS

PDF

22.0 KB Created: 2021-07-07 17:11:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-02
MD5: c3e049daeb968377240774f8acfe1ff3 SHA-1: 4787ee611370ae9aa0c6c7475dabe0ef3c851dbb SHA-256: 078cca64df6059763632077d93d666e0a673b51fe5d65ee2ffbeb777599a9d2d
74 Risk Score

Malware Insights

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

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

Machine Learning

  • Nyx PDF Classifier malicious score 0.9972

Heuristics 3

  • 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.
  • 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.tw/app/406889139/coin-master-hack-program-game-hack PDF link annotation
    • http://digilib.iailm.ac.id/repository/free-roblox-gamepass_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/free-hair-roblox-code_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/rbxboost-com-free-robux_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/coin-master-free-spins-haktuts_GM406889139.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/hexus-roblox-hack_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/roblox-gang_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id//repository/free-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/easy-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/roblox-fnaf-rp-how-to-get-free-vip_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/how-to-hack-times-in-roblox-games_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/roblox-super-power-training-cheat_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/free-codes-for-roblox-live-now_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/coinmaster-spin-ml-link_GM406889139.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/mcpe-master-unlimited-coins-free-download_GM406889139.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/coin-master-free-spins-link-download_GM406889139.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/roblox-cheats-get-free-money_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id//repository/coin-master-hack-2021-ios-download_GM406889139.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/free-robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/free-robux-bux-gg_GM431946152.pdfIn PDF document text
    • http://digilib.iailm.ac.id/repository/free-coins-generator-roblox-high-school-2_GM431946152.pdfIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003184.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3184 16364 bytes
SHA-256: 2f64e983d142e1773a1930c293505acc1438ba834afe7da26154accf47620e87

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