Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a70cc419aeb3cdc…

MALICIOUS

PDF

44.2 KB Created: 2021-06-04 05:50:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 71b1c6db09e6256e04d4589571d0dd51 SHA-1: 86602e3ed643f3644cb02876a2b3c24899a9bc6d SHA-256: 6a70cc419aeb3cdc2be7fdde191691a44efb1f2eebb11ff279f03ade8bfb76dc
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 0.9865

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/hacks-for-robux-free-game-hack PDF link annotation
    • http://slims.abulyatama.ac.id/repository/how-to-get-minecraft-bedrock-edition-on-pc-for-free_GM479516143.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/free-spins-coin-master-daily_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/op-rewards-robux_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/what-is-exploiting-in-roblox_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/coin-master-free-spins-hack-iphone_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/hack-coin-master-apk-32_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/tiktok-free-view-40_GM835599320.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/how-to-hack-someone-on-roblox_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/wurst-hacks_GM479516143.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/coin-master-hack-without-verification-code_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/free-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/free-spin-coin-master-instagram_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/coin-master-apk-hack-35-8_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/coin-master-hack-online-link_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/free-robux-mobile_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/robux-earner_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-google-play-promo-codes-coin-master_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/minecraft-fly-hack_GM479516143.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_off00004ea5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4EA5 27164 bytes
SHA-256: a85cf4e1af39dcad56943763263cad194cd963b7576cd55db3a8f214ee8897ea
font_01_sfnt_off000089bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89BF 18412 bytes
SHA-256: b8f416445dc9bdaf1cc76178aea01d61db7f90c17f738148733843cf79177b34

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