Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb7464caec11ede2…

MALICIOUS

PDF

34.9 KB Created: 2021-06-25 10:46:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: c4edadca67a1e2f8a8e5d3bb883a3e23 SHA-1: 6a1ef3c93d2f261a70893586885c9096b905b62c SHA-256: eb7464caec11ede21ce9aad57716d3becb5b9629b2ded4b63eea9a23c0b2e6b6
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure related to free game items and hacks, specifically mentioning Roblox and Minecraft. It contains multiple embedded URLs, with a critical finding indicating a link to known malicious redirector infrastructure at http://netcdn.co/app/431946152/free-roblox-redeem-card-numbers-game-hack. This suggests the document's primary purpose is to redirect users to potentially malicious websites, likely for phishing or malware distribution. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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.co/app/431946152/free-roblox-redeem-card-numbers-game-hack In PDF document text
    • http://library.gkigadingserpong.org/repository/minecraft-hack-mod_GM479516143.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/roblox-forum-hack_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/free-robux-no-anti-bot-verification_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/how-to-become-an-admin-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/free-robux-pins_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/glitchtale-battle-of-souls-roblox-hack-jult-31-2021_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/free-robux-promo-codes-2021_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/how-to-get-free-items-on-roblox-catalog-2021_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/free-robux-python_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/how-to-get-free-robux-no-hack-no-survey_GM431946152.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/coin-master-free-spins-hack-but-no-surveys_GM406889139.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/minecraft-client-download_GM479516143.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/hackers-admin-roblox_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/how-to-win-robux_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/fb-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://www.library.gkigadingserpong.org/repository/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/how-to-get-free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/coin-master-online-hack-generator_GM406889139.pdfIn PDF document text
    • http://library.gkigadingserpong.org/repository/what-games-on-roblox-give-you-free-things_GM431946152.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000317d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x317D 22300 bytes
SHA-256: 79e420626ddca8e17091c4e80cd420fd004b1f188142cd783c4c4b59f5d5689c
font_01_sfnt_off000062d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62D2 19224 bytes
SHA-256: 6ab2c0f458ee685912fa7c8928133f7b1dbc0e28b28c480c120a440d4fd70e99

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