Malicious PDF — malware analysis report

Static analysis result for SHA-256 98e057d448cef2ae…

MALICIOUS

PDF

42.7 KB Created: 2021-06-04 02:55:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 068deb783aad07de6d607dba7cd9bf5d SHA-1: 7df7b5cde9b8b4f99ada82fcd7eb191be2cf4c2c SHA-256: 98e057d448cef2ae10de3a078e90e63d1c0decc1e28bd1b0d2b1207eedbc1196
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains heuristics indicating it links to a 'free generator / game hack' redirector, suggesting a social engineering lure. The embedded URL points to a domain associated with game exploits, likely leading to a malware download. While no scripts were directly extracted, the PDF structure and linked URLs strongly suggest a malicious intent to trick users into downloading further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9874

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/431946152/roblox-exploit-scripts-game-hack PDF link annotation
    • http://library.persadabunda.ac.id/repository/boku-no-roblox-hack_GM431946152.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/get-free-gold-cards-in-coin-master_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/2021-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/how-to-make-a-minecraft-java-server-for-free_GM479516143.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/coin-master-hack-mod-apk_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/coin-master-fan-page-facebook_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/master-coin-free-spin_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/coin-master-game-hack_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/coin-master-free-spin-bonus_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/coin-master-claim-free-spins_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/earn-free-robux_GM431946152.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/free-robux-clothes_GM431946152.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/coin-master-free-spin-today_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/coin-master-hack-apk-july-29_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/free-robux-generator-no-survey_GM431946152.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/minecraft-svg-images-free_GM479516143.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/how-to-hack-coin-master-facebook_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/coin-master-2021_GM406889139.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
stream_004_off00004cab.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4CAB 24432 bytes
SHA-256: afde1ae0247fb11a3f65b544715b55ac8260263530ca90c2f38b2defd78bfe1c
font_01_sfnt_off0000846b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x846B 18184 bytes
SHA-256: 094a9499485b6a56b01a21850e159571c55a798cea0220f924198f071f030942

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