Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c717ce576e3e877…

MALICIOUS

PDF

35.6 KB Created: 2021-06-26 21:39:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 10ffd2c45ca138c72e6bf76a271f68ef SHA-1: 4865a310977f7233a495ef02db6b88f3aeb060f9 SHA-256: 3c717ce576e3e877286734754d56c0108c9c9612c85c1ef8bd2c41a9a7d8e518
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/cheat-roblox-jailbreak-2021-game-hack PDF link annotation
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/25-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/minecraft-pocket-edition-free_GM479516143.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/free-roblox-generator-for-roblox_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/free-robux-real-2021_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/free-roblox-card-twitter_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/robux-earning-sites_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/robloxheroxyz-free-robux_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/what-tiktok-free-views-without-verification_GM835599320.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/how-can-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-no-verification-code_GM406889139.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/coin-master-free-spins-save_GM406889139.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/coin-master-free-soins_GM406889139.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/free-robux-for-kids-no-verification_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/cb-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/free-modded-minecraft-server_GM479516143.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/coin-master-free-coins_GM406889139.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins-link-today-blog_GM406889139.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/tiktok-fans-for-free_GM835599320.pdfIn PDF document text
    • http://server1.elearningmansatuokit.sch.id/__statics/gudangsoal/files/free-robux-games-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 6

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000031f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31F2 22676 bytes
SHA-256: e2af50257060bc2dd02caeae35eb69bbea9fe1c36cef144bbd8576198da42124
font_01_sfnt_off00006450.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6450 19612 bytes
SHA-256: 60e3ee77cd4548ed007849f586457ce38443c7b5a3913d3db64c15c125a5cb37

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