Malicious PDF — malware analysis report

Static analysis result for SHA-256 975395d6311c58ea…

MALICIOUS

PDF

33.2 KB Created: 2021-07-03 14:50:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 916468a77588552635ca94eb1123240b SHA-1: 0a4a77d5afe8e6c2db474ff821eee54635e92ee8 SHA-256: 975395d6311c58ea65fb60300f5781362b12d1b883d09cee348df77c2d6e41f1
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.tw/app/479516143/minecraft-esp-game-hack PDF link annotation
    • http://www.pspmrsmkkb.com/webopac/repository/coin-master-hack-apk_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmkkb.com/webopac/repository/tix-factory-tycoon-paquet-tix-roblox-cheat_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkkb.com/webopac/repository/25-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmkkb.com/webopac/repository/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmkkb.com/webopac/repository/roblox-ingame-item-hack_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkkb.com/webopac/repository/hotel-empire-hack-roblox_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkkb.com/webopac/repository/minecraft-hack-2021_GM479516143.pdfIn PDF document text
    • http://www.pspmrsmkkb.com/webopac/repository/free-robux-images_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkkb.com/webopac/repository/robloxcom-free-kkk-k-k-k_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkkb.com/webopac/repository/preguntas-y-respuestas-roblox-robux-free_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkkb.com/webopac/repository/free-robux-no-scam_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkkb.com/webopac/repository/roblox-hack-iphone_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkkb.com/webopac/repository/how-to-get-free-coins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmkkb.com/webopac/repository/free-unused-roblox-cards-2021_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkkb.com/webopac/repository/roblox-free-injector_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkkb.com/webopac/repository/descargar-roblox-hack-robux-infinitos_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkkb.com/webopac/repository/cute-free-roblox-outfits_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkkb.com/webopac/repository/phantom-forces-roblox-hack_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmkkb.com/webopac/repository/roblox-account-hacked-what-to-do_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

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_off00002f0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F0E 22284 bytes
SHA-256: 8c163246bbfa42de5c464b4a8d64ee4d2b9b059973b5c61fbaf11945e81f6b39
font_01_sfnt_off00006006.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6006 18032 bytes
SHA-256: 0c7e654f40756f5f063257c1325cfef5f0fe5869090db6a0beff4020815aa276

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