Malicious PDF — malware analysis report

Static analysis result for SHA-256 96a0de2af4eedbf7…

MALICIOUS

PDF

47.3 KB Created: 2021-05-16 04:41:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 29f8f3ece4c3a4e6deb2e66db56214dc SHA-1: 9361e089d575ed6f1453d130d8ff98ef77e02dbd SHA-256: 96a0de2af4eedbf7a9a7a7fa4ec5d124d5705a2648b1db9dfdc7f706fe63ff95
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 0.8948

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/431946152/generator-robux-game-hack PDF link annotation
    • http://teknotools.net/images/roblox-hack-download-pc_GM431946152.pdfIn PDF document text
    • http://teknotools.net/images/minecraft-115-2-hacks_GM479516143.pdfIn PDF document text
    • http://teknotools.net/images/how-to-get-100-robux-for-free_GM431946152.pdfIn PDF document text
    • http://teknotools.net/images/where-to-get-robux_GM431946152.pdfIn PDF document text
    • http://teknotools.net/images/coin-master-ios-hack_GM406889139.pdfIn PDF document text
    • http://teknotools.net/images/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://teknotools.net/images/minecraft-for-free-apk_GM479516143.pdfIn PDF document text
    • http://teknotools.net/images/get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://teknotools.net/images/minecraft-pe-mod-menu_GM479516143.pdfIn PDF document text
    • http://teknotools.net/images/free-minecraft-java-edition-codes_GM479516143.pdfIn PDF document text
    • http://teknotools.net/images/free-minecraft-client_GM479516143.pdfIn PDF document text
    • http://teknotools.net/images/minecraft-116-1-download_GM479516143.pdfIn PDF document text
    • http://teknotools.net/images/how-to-get-free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://teknotools.net/images/facebook-coin-master_GM406889139.pdfIn PDF document text
    • http://teknotools.net/images/coin-master-hack-apk_GM406889139.pdfIn PDF document text
    • http://teknotools.net/images/coin-master-free-spins-and-coins-today-gift-reward_GM406889139.pdfIn PDF document text
    • http://teknotools.net/images/how-to-hack-minecraft-pe_GM479516143.pdfIn PDF document text
    • http://teknotools.net/images/minecraft-free-app_GM479516143.pdfIn PDF document text
    • http://teknotools.net/images/free-spins-coin-master-app-iphone_GM406889139.pdfIn PDF document text
    • http://teknotools.net/images/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000476e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x476E 31324 bytes
SHA-256: bb558f5ea950312af1f09a2632eb35356e08207cd6afb109917f7f215a07691a
font_01_sfnt_off00008cad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CAD 2876 bytes
SHA-256: 0f99604d55dac6626711b4d750768ca349af54a6e3d7fe8709188b59b2479d46
font_02_sfnt_off00009695.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9695 18184 bytes
SHA-256: b4ce75e5ef7529b15199eebab458c6aae3f76f2df33fea1dae4b183417bcc22e

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