Malicious PDF — malware analysis report

Static analysis result for SHA-256 06127e56d9d09f64…

MALICIOUS

PDF

34.4 KB Created: 2021-07-06 04:24:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 961d40d827757107ec117d038e83af35 SHA-1: 2686d4a72426386446867ee8a56916694ef176dc SHA-256: 06127e56d9d09f64a0c060231a37d6e5fc085518ab64dffa1f0368a9a2b6d344
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-spin-free-game-hack PDF link annotation
    • http://katalog.ireyogya.org/repository/coin-master-gold-cards-free-link_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-get-free-robux-without-email_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-minecraft-skin-packs_GM479516143.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/hack-roblox-system48-free_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/nonce-diomand-free-roblox-haxz_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/roblox-hack-robux-download-2021_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-tag-roblox_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-downgrade-minecraft-pe_GM479516143.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-get-the-catalog-free-in-roblox_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/como-hackear-el-roblox-con-david-pg_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-gift-cards-2021-roblox-working_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/robux-gives-mega-glitch-hack_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/lucky-patcher-roblox-hack_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/youtube-how-to-get-free-robux-on-roblox-jeff-tech_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/robux-hacked-generator_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-hacks-for-spins_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-free-spin-daily-bonus_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-earn-free-money-tower-battles-roblox_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003147.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3147 22692 bytes
SHA-256: 1ee01af9ce6d1c12f487e484699258d7a2f723f09a62802f320b32138cf33cd2
font_01_sfnt_off000063ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63EE 18176 bytes
SHA-256: 9d64f59deaede30a08c34bcec3da02112a68e9d41babb799f745357d62befbf6

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