Malicious PDF — malware analysis report

Static analysis result for SHA-256 1487f52332c7b00f…

MALICIOUS

PDF

34.5 KB Created: 2021-07-03 11:32:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 0b79b73167e8ca4aebfa3d27835769bc SHA-1: d623750da955459025b20488cc71cee633235dc5 SHA-256: 1487f52332c7b00fb7f7361d4449b901dfcc9d4fae87b8711b5120b9f995dc6e
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/406889139/coin-master-60-spins-game-hack PDF link annotation
    • http://stiepariperpus.web.id/sarjana/repository/free-robux-no-human-verification-no-download-no-offers_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/how-to-generate-free-robux_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/wurst-client-112-2_GM479516143.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/coin-master-hack-tool-v1-9-apk_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/coin-master-apk-mod-hack-download_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/get-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/fantastic-frontier-hack-roblox_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/hack-coin-master-apk-2021_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/coin-master-free-spins-today-daily-links_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/how-to-get-unlimited-robux-2021_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/how-to-free-someone-in-prison-life-roblox_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/roblox-knife-capsules-hack_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/roblox-cheat-speed-simulator_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/hack-lua-script-for-one-peace-opn-seas-roblox_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/near-tiktok-free-fire_GM835599320.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/roblox-hacked-version_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/free-robux-earn_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/meepcity-roblox-hack_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 3

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
stream_002_off0000317b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x317B 22560 bytes
SHA-256: 73c046b0d78fb68da73de59a9010a7a3f0c47be4275860809c4455a4be6b8bce
font_01_sfnt_off00006392.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6392 18348 bytes
SHA-256: 6d01c4cadc66db1e9b16115e89b39512d224308aebd2a8cb86ff4af620ce92ac

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