Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab56336dadec5429…

MALICIOUS

PDF

43.4 KB Created: 2021-05-18 01:18:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 1ac08abeee849f265f3a060b9107a420 SHA-1: 59ef7c6d2951d4377eff8175e5f1a4f29388c683 SHA-256: ab56336dadec5429192b4619816eeb1acd5d39e8396397d2e55539c8765c5610
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a high-severity heuristic indicating it links to a "game hack" redirector, specifically targeting "Coin Master" game cheats. The document body and extracted URLs reinforce this lure, directing users to potentially malicious sites. While no scripts were explicitly extracted, the PDF structure and embedded URIs suggest an attempt to trick users into visiting external sites, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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/406889139/coin-master-com-game-hack PDF link annotation
    • http://advancedaudiosystems.org/images/can-i-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/free-spin-appscoin-master_GM406889139.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/free-robux-pin-codes_GM431946152.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/coin-master-spin-cheat_GM406889139.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/coin-master-online-hack-no-survey-no-password_GM406889139.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/coin-master-facebook-free-spins_GM406889139.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/how-to-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/coin-master-hack-iphone_GM406889139.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/roblox-earn-robux_GM431946152.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/coin-master-free-spins-cheat-deutsch_GM406889139.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/mcpe-master-free-coins_GM406889139.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/online-coin-master-free-spin-app_GM406889139.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/rbx-free_GM431946152.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/coin-master-cards-hack-2021_GM406889139.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/coin-master-free-cards-link_GM406889139.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/minecraft-kill-aura_GM479516143.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/mcpe-master-coins-hack_GM406889139.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/free-minecraft-java-edition-account_GM479516143.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/free-minecraft-skin-maker_GM479516143.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_off0000472a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x472A 24188 bytes
SHA-256: 8c808d4dfb420f28fc3dca10f021088bf615fd7d089f9eb9d095ca55e36e6b4d
font_01_sfnt_off00007eb2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7EB2 2840 bytes
SHA-256: 3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676
font_02_sfnt_off00008863.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8863 17808 bytes
SHA-256: 5f65e9ddf4afff1d2178ae18e232f1b2eabc64818bd3dec8ef63fd22011a84fb

Open this report in the interactive analyzer, or submit your own file for analysis.