Malicious PDF — malware analysis report

Static analysis result for SHA-256 794172f916d53cc2…

MALICIOUS

PDF

49.9 KB Created: 2021-06-04 02:15:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 55e35876d4ff8babe779a78ba9c3db9e SHA-1: 150eb2d2b67b1f771444b201eda34e560c7ce1bd SHA-256: 794172f916d53cc2c0850579afd04987c9eda2c0d50ff125dc8206b33951a332
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 0.9796

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 https://netcdn.online/app/406889139/coin-master-20-free-spins-link-today-game-hack PDF link annotation
    • http://library.umuslim.ac.id/repository/huskybuscom-free-robux_GM431946152.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/how-to-buy-robux-for-free_GM431946152.pdfIn PDF document text
    • http://library.umuslim.ac.id//repository/hacks-master-coin_GM406889139.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/free-stuff-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://library.umuslim.ac.id//repository/coin-master-hacks_GM406889139.pdfIn PDF document text
    • http://library.umuslim.ac.id//repository/static-moonactive-net-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/aimbot-download-roblox_GM431946152.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/114-4-hacks_GM479516143.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/bloxawards-com-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://library.umuslim.ac.id//repository/coinmaster-rewards_GM406889139.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/classic-minecraft-net-hacks_GM479516143.pdfIn PDF document text
    • http://library.umuslim.ac.id//repository/coin-master-spin-pattern_GM406889139.pdfIn PDF document text
    • http://library.umuslim.ac.id//repository/coin-master-daily-free-spins-link-app_GM406889139.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/free-roebucks-no-human-verification_GM431946152.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/free-spins-coin-master-apple_GM406889139.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/minecraft-free-download-ipad_GM479516143.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/coin-master-free-coins-hack_GM406889139.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/wurst-18-9_GM479516143.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005420.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5420 25128 bytes
SHA-256: 711bfe3092986f41c4bb3fc1d04331c15a870849766424e2d7fc8c7f9ebaecc9
font_01_sfnt_off00008cec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CEC 7332 bytes
SHA-256: d811e0aca85f3b94c42cd1240eec68b8eb378f3d8be5e408d3f6abd0f11f834d
font_02_sfnt_off00009f05.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9F05 18708 bytes
SHA-256: 12e287a5003346b2d0ade94f1738d16a0662f4443659e1f710297a0eebb69c5d

Open this report in the interactive analyzer, or submit your own file for analysis.