Malicious PDF — malware analysis report

Static analysis result for SHA-256 14daaba875bd3932…

MALICIOUS

PDF

45.3 KB Created: 2021-05-13 08:00:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: e9a5edda9d81bc04de8d8b6f1b0874d3 SHA-1: df3f27c32284ddab3db79b41d1f0af5c092605f1 SHA-256: 14daaba875bd3932d59901810cd7c3a0f9312af1fedfe424f94612b4226d340a
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 0.9507

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.xyz/app/479516143/minecraft-pocket-edition-mods-for-free-game-hack PDF link annotation
    • http://osteonad.com/images/free-robux-websites-that-work_GM431946152.pdfIn PDF document text
    • http://osteonad.com/images/coin-master-mod-apk-unlimited-spin-download-free-full-version_GM406889139.pdfIn PDF document text
    • http://osteonad.com/images/robux-free-promo-codes_GM431946152.pdfIn PDF document text
    • http://osteonad.com/images/minecraft-free-app_GM479516143.pdfIn PDF document text
    • http://osteonad.com/images/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://osteonad.com/images/como-hackear-coin-master-ios_GM406889139.pdfIn PDF document text
    • http://osteonad.com/images/coin-master-level-3_GM406889139.pdfIn PDF document text
    • http://osteonad.com/images/how-to-get-minecraft-windows-10-for-free-with-java_GM479516143.pdfIn PDF document text
    • http://osteonad.com/images/minecraft-pe-hacks-2021_GM479516143.pdfIn PDF document text
    • http://osteonad.com/images/20210-robux_GM431946152.pdfIn PDF document text
    • http://osteonad.com/images/coin-master-free-spins-and-coins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://osteonad.com/images/hack-coin-master-no-survey_GM406889139.pdfIn PDF document text
    • http://osteonad.com/images/minecraft-mods-download-free_GM479516143.pdfIn PDF document text
    • http://osteonad.com/images/earn-free-robux_GM431946152.pdfIn PDF document text
    • http://osteonad.com/images/how-do-you-hack-for-2021000-coins-on-flip-master_GM406889139.pdfIn PDF document text
    • http://osteonad.com/images/how-do-i-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://osteonad.com/images/coin-master-game-free-spin_GM406889139.pdfIn PDF document text
    • http://osteonad.com/images/apk-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://osteonad.com/images/minecraft-pe-hacked-client-download_GM479516143.pdfIn PDF document text
    • http://osteonad.com/images/free-gold-cards-in-coin-master_GM406889139.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_003_off00004962.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4962 25844 bytes
SHA-256: eac1e2e59ac937b1015abe653dcc7796d0f6947c5d3a2a1fa324edcf18c8bbcd
font_01_sfnt_off00008547.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8547 2840 bytes
SHA-256: 3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676
font_02_sfnt_off00008ef9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8EF9 18208 bytes
SHA-256: 52725ebef45a42bab5f52f4296d4c65b292dd882fbab5616e23215bf8ac92a4c

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